Microsoft-Windows-Dhcp-Client
164 events across 3 channels
Event ID 1000 — Your computer has lost the lease to its IP address Address on the Network Card with network address HWAddress.
Event ID 1001 — Your computer was not assigned an address from the network (by the DHCP Server) for the Network Card with network address HWAddress.
Message #
Fields #
| Name | Description |
|---|---|
HWLength UInt32 | — |
HWAddress Binary | — |
StatusCode UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 1001,
"version": 0,
"level": 2,
"task": 3,
"opcode": 75,
"keywords": 4611686018427387905,
"time_created": "2026-03-13T20:26:34.536116+00:00",
"event_record_id": 3,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 3428
},
"channel": "Microsoft-Windows-Dhcp-Client/Admin",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"HWLength": 6,
"HWAddress": "00155D0A1500",
"StatusCode": 121
},
"message": ""
}
Event ID 1002 — The IP address lease Address1 for the Network Card with network address HWAddress has been denied by the DHCP server Address2 (The DHCP Server sent a DHCPNACK message).
#Description
The IP address lease Address1 for the Network Card with network address HWAddress has been denied by the DHCP server Address2 (The DHCP Server sent a DHCPNACK message).
Message #
Fields #
| Name | Description |
|---|---|
Address1 UInt32 | — |
HWLength UInt32 | — |
HWAddress Binary | — |
Address2 UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 1002,
"version": 0,
"level": 2,
"task": 3,
"opcode": 76,
"keywords": 4611686018427387905,
"time_created": "2023-10-25T22:48:31.191302+00:00",
"event_record_id": 7,
"correlation": {},
"execution": {
"process_id": 2076,
"thread_id": 2312
},
"channel": "Microsoft-Windows-Dhcp-Client/Admin",
"computer": "WinDevEval",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"Address1": 2182457536,
"HWLength": 6,
"HWAddress": "000C29B19818",
"Address2": 0
},
"message": ""
}
References #
- Example event sourced from https://github.com/NextronSystems/evtx-baseline
Event ID 1003 — Your computer was not able to renew its address from the network (from the DHCP Server) for the Network Card with network address HWAddress.
Event ID 1004 — Error occurred in stopping the Dhcpv4 Client service.
Event ID 1005 — Your computer has detected that the IP address Address for the Network Card with network address HWAddress is already in use on the network.
Description
Your computer has detected that the IP address Address for the Network Card with network address HWAddress is already in use on the network. Your computer will automatically attempt to obtain a different address.
Message #
Fields #
| Name | Description |
|---|---|
Address UInt32 | — |
HWLength UInt32 | — |
HWAddress Binary | — |
Event ID 1006 — Your computer was unable to automatically configure the IP parameters for the Network Card with the network address HWAddress.
Event ID 1007 — Your computer has automatically configured the IP address for the Network Card with network address HWAddress.
Event ID 1008 — Your computer was unable to initialize a Network Interface attached to the system.
Event ID 1018 — Dhcpv6 Initialization has failed on the computer with the error code StatusCode.
Event ID 1019 — Unplumbing OLD Config for the adapter: AdapterName.
Description
Unplumbing OLD Config for the adapter: AdapterName.
Message #
Fields #
| Name | Description |
|---|---|
AdapterName UnicodeString | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 1019,
"version": 0,
"level": 4,
"task": 0,
"opcode": 0,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:24:29.762822+00:00",
"event_record_id": 45,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 10916
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"AdapterName": "{b009ef7d-3a19-47a7-aee7-9535aba6a145}"
},
"message": ""
}
Event ID 1020 — Stack Media Connect: AdapterName.
Description
Stack Media Connect: AdapterName. Creating new context.
Message #
Fields #
| Name | Description |
|---|---|
AdapterName UnicodeString | — |
Stack_Media_Connect UnicodeString | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 1020,
"version": 0,
"level": 4,
"task": 0,
"opcode": 0,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:18:54.399292+00:00",
"event_record_id": 13,
"correlation": {},
"execution": {
"process_id": 1772,
"thread_id": 8220
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"AdapterName": "{2a7bd48e-ddc6-4641-9f41-682f29f1d76c}"
},
"message": ""
}
Event ID 1021 — MEDIA DISCONNECT: Someone still using context.
Description
MEDIA DISCONNECT: Someone still using context. So not destroying the context.
Message #
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 1021,
"version": 0,
"level": 4,
"task": 0,
"opcode": 0,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:26:50.955986+00:00",
"event_record_id": 103,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 7364
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {},
"message": ""
}
Event ID 1022 — Updating Stack with CACHED config Address on AdapterName.
Event ID 1023 — Updating Stack at address Address on AdapterName.
Event ID 1024 — Handling ip conflct on AdapterName.
Event ID 1025 — Waiting for Offer on AdapterName.
Description
Waiting for Offer on AdapterName. Wait time is TimeToWaitLeft milliseconds.
Message #
Fields #
| Name | Description |
|---|---|
AdapterName UnicodeString | — |
TimeToWaitLeft UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 1025,
"version": 0,
"level": 4,
"task": 0,
"opcode": 0,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:24:29.800432+00:00",
"event_record_id": 53,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 3428
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"AdapterName": "{b009ef7d-3a19-47a7-aee7-9535aba6a145}",
"TimeToWaitLeft": 4984
},
"message": ""
}
Event ID 1026 — Receiving a DHCP message on AdapterName.
Description
Receiving a DHCP message on AdapterName. Error code is ErrorCode.
Message #
Fields #
| Name | Description |
|---|---|
AdapterName UnicodeString | — |
ErrorCode UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 1026,
"version": 0,
"level": 4,
"task": 0,
"opcode": 0,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:24:34.785631+00:00",
"event_record_id": 55,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 3428
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"AdapterName": "{b009ef7d-3a19-47a7-aee7-9535aba6a145}",
"ErrorCode": 121
},
"message": ""
}
Event ID 1027 — Received DHCP message on AdapterName is NOT Offer.
Event ID 1028 — Waiting for ACK on AdapterName.
Event ID 1029 — Waiting for Renew ACK on AdapterName.
Event ID 1030 — OBTAIN LEASE - AdapterName: AdapterName Interface LUID: InterfaceLUID.
Description
OBTAIN LEASE - AdapterName: AdapterName Interface LUID: InterfaceLUID.
Message #
Fields #
| Name | Description |
|---|---|
AdapterName UnicodeString | — |
InterfaceLUID HexInt64 | — |
OBTAIN_LEASE__AdapterName UnicodeString | OBTAIN LEASE - AdapterName. |
Interface_LUID HexInt64 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 1030,
"version": 0,
"level": 4,
"task": 0,
"opcode": 0,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:24:29.777549+00:00",
"event_record_id": 49,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 3428
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"AdapterName": "{b009ef7d-3a19-47a7-aee7-9535aba6a145}",
"InterfaceLUID": "0x6008005000000"
},
"message": ""
}
Event ID 1031 — DhcpRenewState: DhcpRenewState.
Event ID 1032 — InitRebootState: InitRebootState.
Event ID 1033 — DhcpSetGatewaysAndStaticRoutes for the adapter: AdapterName, Error: ErrorCode.
Event ID 1034 — DhcpDeleteGatewaysAndStaticRoutes for the adapter: AdapterName, Error: ErrorCode.
Event ID 1035 — Route is added with the values Dest = Address1, DestMask = Address2, NextHop = Address3, Address = Address4.
Event ID 1036 — Route is deleted with the values Dest = Address1, DestMask = Address2, NextHop = Address3, Address = Address4.
Event ID 1037 — Locking Dhcp Context: [AdapterName].
Description
Locking Dhcp Context: [AdapterName].
Message #
Fields #
| Name | Description |
|---|---|
AdapterName UnicodeString | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 1037,
"version": 0,
"level": 4,
"task": 0,
"opcode": 0,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:18:51.250466+00:00",
"event_record_id": 4,
"correlation": {},
"execution": {
"process_id": 1772,
"thread_id": 8220
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"AdapterName": "{2a7bd48e-ddc6-4641-9f41-682f29f1d76c}"
},
"message": ""
}
Event ID 1038 — Unlocking Dhcp Context: [AdapterName].
Description
Unlocking Dhcp Context: [AdapterName].
Message #
Fields #
| Name | Description |
|---|---|
AdapterName UnicodeString | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 1038,
"version": 0,
"level": 4,
"task": 0,
"opcode": 0,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:18:51.250524+00:00",
"event_record_id": 5,
"correlation": {},
"execution": {
"process_id": 1772,
"thread_id": 8220
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"AdapterName": "{2a7bd48e-ddc6-4641-9f41-682f29f1d76c}"
},
"message": ""
}
Event ID 1039 — Destroying Dhcp Context: [AdapterName].
Description
Destroying Dhcp Context: [AdapterName].
Message #
Fields #
| Name | Description |
|---|---|
AdapterName UnicodeString | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 1039,
"version": 0,
"level": 4,
"task": 0,
"opcode": 0,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:18:51.250530+00:00",
"event_record_id": 6,
"correlation": {},
"execution": {
"process_id": 1772,
"thread_id": 8220
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"AdapterName": "{2a7bd48e-ddc6-4641-9f41-682f29f1d76c}"
},
"message": ""
}
Event ID 1040 — Successfully Plumbed the address: Address.
Event ID 1041 — Successfully Deleted the address: Address.
Event ID 1042 — Successfully Plumbed the CACHED address using network identifier (Network Hint): Address.
Event ID 1043 — DhcpRegReadOptionCache returned ErrorCode.
Event ID 1044 — RegOpenKeyEx returned ErrorCode.
Event ID 1045 — Fallback Params Read Fail.
Event ID 1046 — Successfully read fallback configuration
Description
Successfully read fallback configuration.
Message #
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 1046,
"version": 0,
"level": 4,
"task": 0,
"opcode": 0,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:18:54.397815+00:00",
"event_record_id": 11,
"correlation": {},
"execution": {
"process_id": 1772,
"thread_id": 8220
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {},
"message": ""
}
Event ID 1047 — RegQueryValueEx returned ErrorCode, Fallback config name type ConfigNameType.
Description
RegQueryValueEx returned ErrorCode, Fallback config name type ConfigNameType.
Message #
Fields #
| Name | Description |
|---|---|
ErrorCode UInt32 | — |
ConfigNameType UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 1047,
"version": 0,
"level": 4,
"task": 0,
"opcode": 0,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:18:54.397810+00:00",
"event_record_id": 10,
"correlation": {},
"execution": {
"process_id": 1772,
"thread_id": 8220
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"ErrorCode": 2,
"ConfigNameType": 0
},
"message": ""
}
Event ID 1048 — Registering AdapterName: Registering_AdapterName Address: Address Flags : [AdapterName] Error : Flags.
Event ID 1049 — Deregistering AdapterName: Deregistering_AdapterName.
Event ID 1050 — Deregistering AdapterName: [Dynamic DNS disabled].
Event ID 1051 — Failed to Acquire Wcm in Disconnected Standby.
Event ID 50001 — Media Connect notification received on interface InterfaceId.
Description
Media Connect notification received on interface InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50001,
"version": 0,
"level": 4,
"task": 1,
"opcode": 11,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:18:54.397033+00:00",
"event_record_id": 8,
"correlation": {},
"execution": {
"process_id": 1772,
"thread_id": 8220
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceId": 4
},
"message": ""
}
Event ID 50002 — Media Disconnect notification received on interface InterfaceId.
Description
Media Disconnect notification received on interface InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50002,
"version": 0,
"level": 4,
"task": 1,
"opcode": 12,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:18:51.250425+00:00",
"event_record_id": 1,
"correlation": {},
"execution": {
"process_id": 1772,
"thread_id": 8220
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceId": 4
},
"message": ""
}
Event ID 50003 — Media Reconnect notification received on interface InterfaceId.
Event ID 50004 — DHCP is enabled on the interface with Interface Id InterfaceId.
Description
DHCP is enabled on the interface with Interface Id InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50004,
"version": 0,
"level": 4,
"task": 3,
"opcode": 35,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:07:47.871464+00:00",
"event_record_id": 20,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 7584
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceId": 12
},
"message": ""
}
Event ID 50005 — DHCP is disabled on the interface with Interface Id InterfaceId.
Description
DHCP is disabled on the interface with Interface Id InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50005,
"version": 0,
"level": 4,
"task": 3,
"opcode": 36,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:18:54.397793+00:00",
"event_record_id": 9,
"correlation": {},
"execution": {
"process_id": 1772,
"thread_id": 8220
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceId": 4
},
"message": ""
}
Event ID 50006 — Request-Ack is initiated on the interface with Interface Id InterfaceId.
Event ID 50007 — Discover-Offer-Request-Ack is initiated on the interface with Interface Id InterfaceId.
Description
Discover-Offer-Request-Ack is initiated on the interface with Interface Id InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50007,
"version": 0,
"level": 4,
"task": 2,
"opcode": 17,
"keywords": 9223372036854775809,
"time_created": "2026-03-13T20:24:29.781267+00:00",
"event_record_id": 51,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 3428
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceId": 18
},
"message": ""
}
Event ID 50008 — Interface is converted from static to DHCP on the interface with Interface Id InterfaceId.
Event ID 50009 — Discover is sent from the interface InterfaceId.
Description
Discover is sent from the interface InterfaceId. Status code is StatusCode.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceId UInt32 | — |
StatusCode UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50009,
"version": 0,
"level": 4,
"task": 2,
"opcode": 18,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:24:29.800418+00:00",
"event_record_id": 52,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 3428
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceId": 18,
"StatusCode": 0
},
"message": ""
}
Event ID 50010 — Offer is accepted on the interface InterfaceId.
Event ID 50011 — Offer is discarded on the interface InterfaceId.
Event ID 50012 — Request is sent from the interface InterfaceId.
Event ID 50013 — Ack is accepted on the interface InterfaceId.
Event ID 50014 — Ack is discarded on the interface InterfaceId.
Event ID 50015 — Nack is received on the interface InterfaceId.
Event ID 50016 — Unknown message is discarded on the interface InterfaceId.
Event ID 50017 — Decline is sent on the interface InterfaceId.
Event ID 50018 — Inform is sent on the interface InterfaceId.
Event ID 50019 — Release is sent on the interface InterfaceId.
Event ID 50020 — The broadcast bit was toggled on the interface InterfaceId.
Description
The broadcast bit was toggled on the interface InterfaceId. The broadcast bit after toggling is BoolFlag.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceId UInt32 | — |
BoolFlag Boolean | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50020,
"version": 0,
"level": 4,
"task": 2,
"opcode": 29,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:25:34.446170+00:00",
"event_record_id": 74,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 3428
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceId": 18,
"BoolFlag": true
},
"message": ""
}
Event ID 50021 — Error occurred in extracting the options on the interface InterfaceId.
Event ID 50022 — Setting up a Fallback configuration on interface InterfaceId.
Event ID 50023 — Offer Receive Timeout has happened on the interface InterfaceId.
Description
Offer Receive Timeout has happened on the interface InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50023,
"version": 0,
"level": 3,
"task": 2,
"opcode": 31,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:24:34.785664+00:00",
"event_record_id": 56,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 3428
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceId": 18
},
"message": ""
}
Event ID 50024 — Ack Receive Timeout has happened on the interface InterfaceId.
Event ID 50025 — Cancelling pending renewals on the interface with the Interface Id InterfaceId.
Description
Cancelling pending renewals on the interface with the Interface Id InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50025,
"version": 0,
"level": 4,
"task": 2,
"opcode": 33,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:18:51.250447+00:00",
"event_record_id": 3,
"correlation": {},
"execution": {
"process_id": 1772,
"thread_id": 8220
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceId": 4
},
"message": ""
}
Event ID 50028 — Address Address is plumbed on the interface InterfaceId.
Event ID 50029 — Address Address is unplumbed on the interface InterfaceId.
Event ID 50030 — Plumbing error has occurred on the interface InterfaceId.
Event ID 50032 — Lease is expired on the interface InterfaceId.
Event ID 50033 — An interface is added whose interface index is InterfaceId and Status Code is StatusCode.
Description
An interface is added whose interface index is InterfaceId and Status Code is StatusCode.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceId UInt32 | — |
StatusCode UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50033,
"version": 0,
"level": 4,
"task": 1,
"opcode": 46,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:18:54.399285+00:00",
"event_record_id": 12,
"correlation": {},
"execution": {
"process_id": 1772,
"thread_id": 8220
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceId": 4,
"StatusCode": 0
},
"message": ""
}
Event ID 50034 — An error has occurred in initializing the interface InterfaceId.
Event ID 50035 — Routes are updated on the interface InterfaceId.
Event ID 50036 — DHCPv4 client service is started
#Description
DHCPv4 client service is started.
Message #
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50036,
"version": 0,
"level": 4,
"task": 4,
"opcode": 68,
"keywords": 2305843009213693952,
"time_created": "2023-11-06T06:25:39.972933+00:00",
"event_record_id": 1675,
"correlation": {},
"execution": {
"process_id": 2372,
"thread_id": 2408
},
"channel": "System",
"computer": "WinDev2310Eval",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {},
"message": ""
}
References #
- Example event sourced from https://github.com/Yamato-Security/hayabusa-sample-evtx
Event ID 50037 — DHCPv4 client service is stopped.
#Description
DHCPv4 client service is stopped. ShutDown Flag value is DwordVal.
Message #
Fields #
| Name | Description |
|---|---|
DwordVal UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50037,
"version": 0,
"level": 4,
"task": 4,
"opcode": 69,
"keywords": 2305843009213693952,
"time_created": "2023-11-05T22:31:37.010108+00:00",
"event_record_id": 1858,
"correlation": {},
"execution": {
"process_id": 2232,
"thread_id": 2328
},
"channel": "System",
"computer": "WinDev2310Eval",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"DwordVal": 1
},
"message": ""
}
References #
- Example event sourced from https://github.com/Yamato-Security/hayabusa-sample-evtx
Event ID 50038 — An error occurred in initializing DHCPv4.
Event ID 50039 — An error has occurred in opening the socket on the interface InterfaceId.
Event ID 50040 — An error has occurred in closing the socket on the interface InterfaceId.
Event ID 50041 — Domain change notification is received from DNS
#Description
Domain change notification is received from DNS.
Message #
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50041,
"version": 0,
"level": 4,
"task": 6,
"opcode": 71,
"keywords": 4611686018427387904,
"time_created": "2023-10-26T04:17:38.252255+00:00",
"event_record_id": 1,
"correlation": {},
"execution": {
"process_id": 2228,
"thread_id": 2320
},
"channel": "Microsoft-Windows-Dhcp-Client/Admin",
"computer": "WIN-OQ6R0RVA4NF",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {},
"message": ""
}
References #
- Example event sourced from https://github.com/NextronSystems/evtx-baseline
Event ID 50042 — DNS registration has happened for the interface InterfaceId.
Event ID 50043 — DNS Deregistration has happened for the interface InterfaceId.
Event ID 50044 — Inform ack is received on the interface InterfaceId.
Event ID 50053 — A network error occurred when trying to send a message on interface InterfaceId.
Event ID 50055 — Gateway address Address is reachable on the interface InterfaceId.
Event ID 50056 — Gateway is not reachable on the interface InterfaceId.
Event ID 50058 — Your computer was successfully assigned an address from the network, and it can now connect to other computers.
Description
Your computer was successfully assigned an address from the network, and it can now connect to other computers.
Message #
Event ID 50059 — Route is added with the values Dest = Str1, DestMask = Str2, NextHop = Str3, Address = Str4.
Event ID 50060 — Route is deleted with the values Dest = Str1, DestMask = Str2, NextHop = Str3, Address = Str4.
Event ID 50061 — An offer is received for the dummy discovers that are sent for Diagnostics on the interface InterfaceId.
Event ID 50062 — Checking reachability of gateway Address on the the interface InterfaceId.
Event ID 50063 — DHCP has notified NLA for the configuration changes for the interface InterfaceId.
Description
DHCP has notified NLA for the configuration changes for the interface InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50063,
"version": 0,
"level": 4,
"task": 3,
"opcode": 53,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:25:34.446138+00:00",
"event_record_id": 73,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 3428
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceId": 18
},
"message": ""
}
Event ID 50064 — DHCP has run the cache scavenger for the interface InterfaceId.
Event ID 50065 — DHCP has found a match in the cache for Service Set Identifier(SSID) NetworkHintString(Hexadecimal value of SSID: NetworkHint) for the Network Card with the network addres...
Description
DHCP has found a match in the cache for Service Set Identifier(SSID) NetworkHintString(Hexadecimal value of SSID: NetworkHint) for the Network Card with the network address HWAddress.
Message #
Fields #
| Name | Description |
|---|---|
NetworkHintString UnicodeString | — |
NetworkHint UnicodeString | — |
HWLength UInt32 | — |
HWAddress Binary | — |
Event ID 50066 — DHCP has plumbed an address using Service Set Identifier(SSID) NetworkHintString(Hexadecimal value of SSID: NetworkHint) for the Network Card with the network address HWAddress.
Description
DHCP has plumbed an address using Service Set Identifier(SSID) NetworkHintString(Hexadecimal value of SSID: NetworkHint) for the Network Card with the network address HWAddress.
Message #
Fields #
| Name | Description |
|---|---|
NetworkHintString UnicodeString | — |
NetworkHint UnicodeString | — |
HWLength UInt32 | — |
HWAddress Binary | — |
Event ID 50067 — DHCP has received a Service Set Identifier(SSID) NetworkHintString(Hexadecimal value of SSID: NetworkHint) for the Network Card with the network address HWAddress.
Event ID 50068 — Address Address being plumbed for adapter InterfaceId already exists.
Event ID 50069 — The broadcast bit BoolFlag was successfully set and cached on the interface InterfaceId.
Description
The broadcast bit BoolFlag was successfully set and cached on the interface InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
BoolFlag Boolean | — |
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50069,
"version": 0,
"level": 4,
"task": 2,
"opcode": 87,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:26:34.536775+00:00",
"event_record_id": 94,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 3428
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"BoolFlag": false,
"InterfaceId": 18
},
"message": ""
}
Event ID 50070 — DHCP has not received a Service Set Identifier(SSID) for the interface InterfaceId.
Description
DHCP has not received a Service Set Identifier(SSID) for the interface InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50070,
"version": 0,
"level": 4,
"task": 3,
"opcode": 88,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:24:29.762788+00:00",
"event_record_id": 44,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 10916
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceId": 18
},
"message": ""
}
Event ID 50071 — DHCP has not found a match in the cache for Service Set Identifier(SSID) NetworkHintString(Hexadecimal value of SSID: NetworkHint) for the interface InterfaceId.
Event ID 50072 — Network Diagnostics Framework(NDF) discovery is being initiated on interface InterfaceId.
Event ID 50073 — Network Diagnostics Framework(NDF) discovery failed to discover a DHCP server on interface InterfaceId.
Event ID 50074 — Firewall port DwordVal is exempted on interface InterfaceId.
Description
Firewall port DwordVal is exempted on interface InterfaceId. Error code is DwordVal1.
Message #
Fields #
| Name | Description |
|---|---|
DwordVal UInt32 | — |
InterfaceId UInt32 | — |
DwordVal1 UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50074,
"version": 0,
"level": 4,
"task": 2,
"opcode": 92,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:24:29.809876+00:00",
"event_record_id": 54,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 3664
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"DwordVal": 68,
"InterfaceId": 18,
"DwordVal1": 0
},
"message": ""
}
Event ID 50075 — Firewall port DwordVal is closed on interface InterfaceId.
Description
Firewall port DwordVal is closed on interface InterfaceId. Error code is DwordVal1.
Message #
Fields #
| Name | Description |
|---|---|
DwordVal UInt32 | — |
InterfaceId UInt32 | — |
DwordVal1 UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50075,
"version": 0,
"level": 4,
"task": 2,
"opcode": 93,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:26:34.580885+00:00",
"event_record_id": 97,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 3664
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"DwordVal": 68,
"InterfaceId": 18,
"DwordVal1": 0
},
"message": ""
}
Event ID 50076 — DHCP has not plumbed an address using Service Set Identifier(SSID) NetworkHintString(Hexadecimal value of SSID: NetworkHint) for the Network Card with the network address ...
Description
DHCP has not plumbed an address using Service Set Identifier(SSID) NetworkHintString(Hexadecimal value of SSID: NetworkHint) for the Network Card with the network address HWAddress since the lease has expired.
Message #
Fields #
| Name | Description |
|---|---|
NetworkHintString UnicodeString | — |
NetworkHint UnicodeString | — |
HWLength UInt32 | — |
HWAddress Binary | — |
Event ID 50077 — Regular address acquisition will be done on interface InterfaceId because aggressive address acquisition is turned ON.
Event ID 50081 — DHCP has cancelled IPv4 address acquisition cycle after DwordVal1 DISCOVER transmissions on interface InterfaceId because the machine is in Connected Standby state...
Description
DHCP has cancelled IPv4 address acquisition cycle after DwordVal1 DISCOVER transmissions on interface InterfaceId because the machine is in Connected Standby state and the interface has the DHCP IPv6 address Address.
Message #
Fields #
| Name | Description |
|---|---|
DwordVal1 UInt32 | — |
InterfaceId UInt32 | — |
Address Binary | — |
Event ID 50083 — Attempting to acquire a reference for interface InterfaceId.
Event ID 50084 — Attempting to release the reference for interface InterfaceId.
Event ID 50085 — Registered duplicate address detection on interface InterfaceId for IP address Address.
Event ID 50086 — Completed duplicate address detection on interface InterfaceId for IP address Address.
Event ID 50087 — Duplicate address detection on interface InterfaceId for IP address Address timed out - reattempting.
Event ID 50088 — Parameter change request registered for process ProcID with descriptor UniqueID.
Event ID 50089 — Parameter change request unregistered for process ProcID with descriptor UniqueID.
Event ID 50090 — Parameter change request notified for process ProcID with descriptor UniqueID.
Event ID 50091 — Parameter request received on interface with LUID InterfaceLUID.
Description
Parameter request received on interface with LUID InterfaceLUID. Attempting to acquire the interface context.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceLUID HexInt64 | — |
ClassIDSize UInt32 | — |
ClassID Binary | — |
StandardOptListSize UInt32 | — |
StandardOptList Binary | — |
VendorOptListSize UInt32 | — |
VendorOptList Binary | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50091,
"version": 0,
"level": 4,
"task": 7,
"opcode": 114,
"keywords": 9223372036854775808,
"time_created": "2026-03-15T05:29:24.468880+00:00",
"event_record_id": 311,
"correlation": {
"ActivityID": "016B2C13-AC33-4F64-8DD0-EF124435F040"
},
"execution": {
"process_id": 1944,
"thread_id": 2972
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceLUID": "0x6008004000000",
"ClassIDSize": 0,
"ClassID": "",
"StandardOptListSize": 1,
"StandardOptList": "FC",
"VendorOptListSize": 0,
"VendorOptList": ""
},
"message": ""
}
Event ID 50092 — Parameter request unblocked on interface with LUID InterfaceLUID and index InterfaceId.
Description
Parameter request unblocked on interface with LUID InterfaceLUID and index InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceLUID HexInt64 | — |
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50092,
"version": 0,
"level": 4,
"task": 7,
"opcode": 115,
"keywords": 9223372036854775808,
"time_created": "2026-03-15T05:30:52.676651+00:00",
"event_record_id": 371,
"correlation": {
"ActivityID": "016B2C13-AC33-4F64-8DD0-EF124435F040"
},
"execution": {
"process_id": 1944,
"thread_id": 2972
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceLUID": "0x6008004000000",
"InterfaceId": 14
},
"message": ""
}
Event ID 50093 — Parameter request completed on interface with LUID InterfaceLUID and index InterfaceId.
Description
Parameter request completed on interface with LUID InterfaceLUID and index InterfaceId. The status of the operation was StatusCode.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceLUID HexInt64 | — |
InterfaceId UInt32 | — |
StatusCode UInt32 | — |
OptDataSize UInt32 | — |
OptData Binary | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50093,
"version": 0,
"level": 4,
"task": 7,
"opcode": 116,
"keywords": 9223372036854775808,
"time_created": "2026-03-15T05:30:52.676769+00:00",
"event_record_id": 374,
"correlation": {
"ActivityID": "016B2C13-AC33-4F64-8DD0-EF124435F040"
},
"execution": {
"process_id": 1944,
"thread_id": 2972
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceLUID": "0x6008004000000",
"InterfaceId": 14,
"StatusCode": 0,
"OptDataSize": 0,
"OptData": ""
},
"message": ""
}
Event ID 50094 — Firewall port DwordVal1 exemption triggered on interface InterfaceId.
Description
Firewall port DwordVal1 exemption triggered on interface InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceId UInt32 | — |
DwordVal1 UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50094,
"version": 0,
"level": 4,
"task": 2,
"opcode": 117,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:24:29.781248+00:00",
"event_record_id": 50,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 3428
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceId": 18,
"DwordVal1": 68
},
"message": ""
}
Event ID 50095 — Firewall port DwordVal1 close triggered on interface InterfaceId.
Description
Firewall port DwordVal1 close triggered on interface InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceId UInt32 | — |
DwordVal1 UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50095,
"version": 0,
"level": 4,
"task": 2,
"opcode": 118,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:26:34.535918+00:00",
"event_record_id": 91,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 3428
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceId": 18,
"DwordVal1": 68
},
"message": ""
}
Event ID 50096 — DHCP has cancelled IPv4 address acquisition cycle after DwordVal1 DISCOVER transmissions on interface InterfaceId because the machine is in Connected Standby state...
Description
DHCP has cancelled IPv4 address acquisition cycle after DwordVal1 DISCOVER transmissions on interface InterfaceId because the machine is in Connected Standby state and the interface has the stateless IPv6 address Address.
Message #
Fields #
| Name | Description |
|---|---|
DwordVal1 UInt32 | — |
InterfaceId UInt32 | — |
Address Binary | — |
Event ID 50097 — DHCP has cancelled IPv4 address acquisition cycle after DwordVal1 DISCOVER transmissions on interface InterfaceId because the machine is in Connected Standby state...
Description
DHCP has cancelled IPv4 address acquisition cycle after DwordVal1 DISCOVER transmissions on interface InterfaceId because the machine is in Connected Standby state and the interface has the static IPv6 address Address.
Message #
Fields #
| Name | Description |
|---|---|
DwordVal1 UInt32 | — |
InterfaceId UInt32 | — |
Address Binary | — |
Event ID 50098 — DHCP will not try regular IPv4 address acquisition on interface InterfaceId since the machine is in Connected Standby state and the interface has the IPv6 a...
Event ID 50099 — DHCP will try regular IPv4 address acquisition on interface InterfaceId even though the machine is in Connected Standby state since the interface has no IPv...
Event ID 50100 — DHCP will try regular IPv4 address acquisition on interface InterfaceId due to registry settings even though the machine is in Connected Standby state and t...
Event ID 50101 — The DHCPv4 client received connected standby entry notification.
Description
The DHCPv4 client received connected standby entry notification.
Message #
Event ID 50102 — The DHCPv4 client received connected standby exit notification.
Description
The DHCPv4 client received connected standby exit notification.
Message #
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50102,
"version": 0,
"level": 4,
"task": 7,
"opcode": 120,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:05:03.977367+00:00",
"event_record_id": 2,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 1988
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {},
"message": ""
}
Event ID 50103 — DHCPv4 client registered for shutdown notification
#Description
DHCPv4 client registered for shutdown notification.
Message #
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50103,
"version": 0,
"level": 4,
"task": 4,
"opcode": 129,
"keywords": 2305843009213693952,
"time_created": "2023-11-06T06:25:39.972458+00:00",
"event_record_id": 1674,
"correlation": {},
"execution": {
"process_id": 2372,
"thread_id": 2408
},
"channel": "System",
"computer": "WinDev2310Eval",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {},
"message": ""
}
References #
- Example event sourced from https://github.com/NextronSystems/evtx-baseline
Event ID 50104 — DHCPv4 client received shutdown notification
#Description
DHCPv4 client received shutdown notification.
Message #
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50104,
"version": 0,
"level": 4,
"task": 4,
"opcode": 129,
"keywords": 2305843009213693952,
"time_created": "2023-11-05T22:31:36.636619+00:00",
"event_record_id": 1852,
"correlation": {},
"execution": {
"process_id": 2232,
"thread_id": 2236
},
"channel": "System",
"computer": "WinDev2310Eval",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {},
"message": ""
}
References #
- Example event sourced from https://github.com/NextronSystems/evtx-baseline
Event ID 50105 — DHCPv4 client ProcessDHCPRequestForever received TERMINATE_EVENT
#Description
DHCPv4 client ProcessDHCPRequestForever received TERMINATE_EVENT.
Message #
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50105,
"version": 0,
"level": 4,
"task": 4,
"opcode": 129,
"keywords": 2305843009213693952,
"time_created": "2023-11-05T22:31:36.639339+00:00",
"event_record_id": 1853,
"correlation": {},
"execution": {
"process_id": 2232,
"thread_id": 2328
},
"channel": "System",
"computer": "WinDev2310Eval",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {},
"message": ""
}
References #
- Example event sourced from https://github.com/NextronSystems/evtx-baseline
Event ID 50106 — DHCPv4 is waiting on DHCPv6 service to stop
#Description
DHCPv4 is waiting on DHCPv6 service to stop.
Message #
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 50106,
"version": 0,
"level": 4,
"task": 4,
"opcode": 129,
"keywords": 2305843009213693952,
"time_created": "2023-11-05T22:31:37.009976+00:00",
"event_record_id": 1857,
"correlation": {},
"execution": {
"process_id": 2232,
"thread_id": 2328
},
"channel": "System",
"computer": "WinDev2310Eval",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {},
"message": ""
}
References #
- Example event sourced from https://github.com/NextronSystems/evtx-baseline
Event ID 50107 — Firewall port exemption is in progress but incomplete.
Event ID 60000 — PERFTRACK (Request-Ack): Address confirmed for the interface InterfaceId.
Event ID 60001 — PERFTRACK (DORA): Offer is accepted on the interface InterfaceId.
Event ID 60002 — PERFTRACK: Gateway is reachable on the interface InterfaceId.
Event ID 60003 — PERFTRACK: DHCP is not enabled on the interface InterfaceId.
Description
PERFTRACK: DHCP is not enabled on the interface InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceGuid GUID | — |
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 60003,
"version": 0,
"level": 4,
"task": 3,
"opcode": 61,
"keywords": 9223653511831486464,
"time_created": "2026-03-13T20:18:54.399323+00:00",
"event_record_id": 19,
"correlation": {},
"execution": {
"process_id": 1772,
"thread_id": 8220
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceGuid": "2A7BD48E-DDC6-4641-9F41-682F29F1D76C",
"InterfaceId": 4
},
"message": ""
}
Event ID 60004 — PERFTRACK: Setting up Fallback configuration on the interface InterfaceId since no response is received for request.
Event ID 60005 — PERFTRACK (Request-Ack): Address confirmed for the interface InterfaceId after toggling the broadcast bit in INIT-REBOOT.
Event ID 60006 — PERFTRACK (Request-Nack-Dora): Offer is accepted on the interface InterfaceId after toggling the broadcast bit in INIT-REBOOT.
Event ID 60007 — PERFTRACK (Init-Dora): Offer is accepted on the interface InterfaceId after toggling the broadcast bit in INIT.
Event ID 60010 — PERFTRACK (Request-Ack): Address confirmed for the interface InterfaceId.
Event ID 60011 — PERFTRACK (DORA): Offer is accepted on the interface InterfaceId.
Event ID 60012 — PERFTRACK: Gateway is reachable on the interface InterfaceId.
Event ID 60013 — PERFTRACK: DHCP is not enabled on the interface InterfaceId.
Description
PERFTRACK: DHCP is not enabled on the interface InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceGuid GUID | — |
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 60013,
"version": 0,
"level": 4,
"task": 3,
"opcode": 61,
"keywords": 9223653511831486464,
"time_created": "2026-03-13T20:18:54.399322+00:00",
"event_record_id": 18,
"correlation": {},
"execution": {
"process_id": 1772,
"thread_id": 8220
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceGuid": "2A7BD48E-DDC6-4641-9F41-682F29F1D76C",
"InterfaceId": 4
},
"message": ""
}
Event ID 60014 — PERFTRACK: Setting up Fallback configuration on the interface InterfaceId since no response is received for request.
Event ID 60015 — PERFTRACK (Request-Ack): Address confirmed for the interface InterfaceId after toggling the broadcast bit in INIT-REBOOT.
Event ID 60016 — PERFTRACK (Request-Nack-Dora): Offer is accepted on the interface InterfaceId after toggling the broadcast bit in INIT-REBOOT.
Event ID 60017 — PERFTRACK (Init-Dora): Offer is accepted on the interface InterfaceId after toggling the broadcast bit in INIT.
Event ID 60018 — PERFTRACK (DHCPv4): Media Connect on interface InterfaceId.
Description
PERFTRACK (DHCPv4): Media Connect on interface InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceGuid GUID | — |
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 60018,
"version": 0,
"level": 4,
"task": 1,
"opcode": 14,
"keywords": 9223653511831486464,
"time_created": "2026-03-13T20:18:54.399313+00:00",
"event_record_id": 17,
"correlation": {},
"execution": {
"process_id": 1772,
"thread_id": 8220
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceGuid": "2A7BD48E-DDC6-4641-9F41-682F29F1D76C",
"InterfaceId": 4
},
"message": ""
}
Event ID 60019 — PERFTRACK (DHCPv4): End of Media Connect on interface InterfaceId.
Description
PERFTRACK (DHCPv4): End of Media Connect on interface InterfaceId.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceGuid GUID | — |
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 60019,
"version": 0,
"level": 4,
"task": 1,
"opcode": 15,
"keywords": 9223653511831486464,
"time_created": "2026-03-13T20:18:51.250436+00:00",
"event_record_id": 2,
"correlation": {},
"execution": {
"process_id": 1772,
"thread_id": 8220
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceGuid": "2A7BD48E-DDC6-4641-9F41-682F29F1D76C",
"InterfaceId": 4
},
"message": ""
}
Event ID 60020 — PERFTRACK (Media Reconnect): Media reconnect notification was received on interface InterfaceId.
Event ID 60021 — PERFTRACK (Discover-DelayedResponse): Offer/Ack is not received for first discover/request on interface InterfaceId.
Event ID 60022 — PERFTRACK (Discover-Timeout): No response is received for all 8 discovers on interface InterfaceId.
Description
PERFTRACK (Discover-Timeout): No response is received for all 8 discovers on interface InterfaceId. Fallback address is not set.
Message #
Fields #
| Name | Description |
|---|---|
InterfaceGuid GUID | — |
InterfaceId UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 60022,
"version": 0,
"level": 4,
"task": 2,
"opcode": 96,
"keywords": 9223653511831486464,
"time_created": "2026-03-13T20:26:34.536149+00:00",
"event_record_id": 93,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 3428
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"InterfaceGuid": "B009EF7D-3A19-47A7-AEE7-9535ABA6A145",
"InterfaceId": 18
},
"message": ""
}
Event ID 60023 — PERFTRACK (Request-DelayedAck): Ack is not received for first request on interface InterfaceId.
Event ID 60024 — PERFTRACK (Request-NoResponse): There is no response for INIT-REBOOT Request on interface InterfaceId.
Event ID 60025 — PERFTRACK: Fallback address Address is plumbed on interface InterfaceId after DHCP did not get response for discover.
Event ID 60026 — Entered ProcessDhcpRequestForever.
Description
Entered ProcessDhcpRequestForever.
Message #
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 60026,
"version": 0,
"level": 4,
"task": 3,
"opcode": 122,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:05:04.005177+00:00",
"event_record_id": 3,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 1964
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {},
"message": ""
}
Event ID 60027 — ProcessDhcpRequestForever Timed out.
Description
ProcessDhcpRequestForever Timed out.
Message #
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Dhcp-Client",
"guid": "15A7A4F8-0072-4EAB-ABAD-F98A4D666AED",
"event_source_name": "",
"event_id": 60027,
"version": 0,
"level": 4,
"task": 3,
"opcode": 123,
"keywords": 9223372036854775808,
"time_created": "2026-03-13T20:05:04.014289+00:00",
"event_record_id": 18,
"correlation": {},
"execution": {
"process_id": 1868,
"thread_id": 1964
},
"channel": "Microsoft-Windows-Dhcp-Client/Operational",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {},
"message": ""
}