Microsoft-Windows-DFSN-Server
74 events across 3 channels
Event ID 1 — A referral request has been received.
Event ID 1 —
Description
A referral request has been received.
Fields #
| Name | Description |
|---|---|
RequestBuffer Pointer | — |
RequestBufferLength UInt16 | — |
Event ID 2 — A DC referral request has been processed.
Description
A DC referral request has been processed.
Message #
Fields #
| Name | Description |
|---|---|
Status UInt32 | — NTSTATUS reference |
Event ID 2 —
Description
A DC referral request has been processed.
Fields #
| Name | Description |
|---|---|
Status UInt32 | — NTSTATUS reference |
Event ID 3 — A root referral request has been processed.
Description
A root referral request has been processed.
Message #
Fields #
| Name | Description |
|---|---|
Status UInt32 | — NTSTATUS reference |
Event ID 3 —
Description
A root referral request has been processed.
Fields #
| Name | Description |
|---|---|
Status UInt32 | — NTSTATUS reference |
Event ID 4 — A normal referral request has been processed.
Description
A normal referral request has been processed.
Message #
Fields #
| Name | Description |
|---|---|
Status UInt32 | — NTSTATUS reference |
Event ID 4 —
Description
A normal referral request has been processed.
Fields #
| Name | Description |
|---|---|
Status UInt32 | — NTSTATUS reference |
Event ID 5 — A referral response has been generated.
Description
A referral response has been generated.
Message #
Fields #
| Name | Description |
|---|---|
Request Pointer | — |
Response Pointer | — |
Status UInt32 | — NTSTATUS reference |
ResponseLength UInt16 | — |
Event ID 5 —
Description
A referral response has been generated.
Fields #
| Name | Description |
|---|---|
Request Pointer | — |
Response Pointer | — |
Status UInt32 | — NTSTATUS reference |
ResponseLength UInt16 | — |
Event ID 6 — A referral response has been posted.
Description
A referral response has been posted.
Message #
Fields #
| Name | Description |
|---|---|
Response Pointer | — |
Status UInt32 | — NTSTATUS reference |
Event ID 6 —
Description
A referral response has been posted.
Fields #
| Name | Description |
|---|---|
Response Pointer | — |
Status UInt32 | — NTSTATUS reference |
Event ID 7 — IP address IpAddress resolved to site SiteName.
Event ID 7 —
Description
IP address resolved to site .
Fields #
| Name | Description |
|---|---|
IpAddress UnicodeString | — |
SiteName UnicodeString | — |
TimeConsumedToResolveInMilliSeconds UInt64 | — |
Event ID 11 — NetrDfsAdd arrived.
Description
NetrDfsAdd arrived.
Message #
Event ID 11 —
Description
NetrDfsAdd arrived.
Event ID 21 — NetrDfsRemove arrived.
Description
NetrDfsRemove arrived.
Message #
Event ID 21 —
Description
NetrDfsRemove arrived.
Event ID 31 — NetrDfsSetInfo arrived.
Description
NetrDfsSetInfo arrived.
Message #
Event ID 31 —
Description
NetrDfsSetInfo arrived.
Event ID 41 — NetrDfsGetInfo arrived.
Description
NetrDfsGetInfo arrived.
Message #
Event ID 41 —
Description
NetrDfsGetInfo arrived.
Event ID 61 — NetrDfsMove arrived.
Description
NetrDfsMove arrived.
Message #
Event ID 61 —
Description
NetrDfsMove arrived.
Event ID 71 — NetrDfsAddFtRoot arrived.
Description
NetrDfsAddFtRoot arrived.
Message #
Event ID 71 —
Description
NetrDfsAddFtRoot arrived.
Event ID 81 — NetrDfsRemoveFtRoot arrived.
Description
NetrDfsRemoveFtRoot arrived.
Message #
Event ID 81 —
Description
NetrDfsRemoveFtRoot arrived.
Event ID 91 — NetrDfsAddStdRoot arrived.
Description
NetrDfsAddStdRoot arrived.
Message #
Event ID 91 —
Description
NetrDfsAddStdRoot arrived.
Event ID 101 — NetrDfsRemoveStdRoot arrived.
Description
NetrDfsRemoveStdRoot arrived.
Message #
Event ID 101 —
Description
NetrDfsRemoveStdRoot arrived.
Event ID 112 — LockAcquiredDomainInfo.
Description
LockAcquiredDomainInfo.
Message #
Event ID 112 —
Description
LockAcquiredDomainInfo.
Event ID 121 — LookupRootFolderDone.
Event ID 121 —
Description
LookupRootFolderDone.
Fields #
| Name | Description |
|---|---|
Status UInt32 | — NTSTATUS reference |
Event ID 131 — LookupLinkFolderDone.
Event ID 131 —
Description
LookupLinkFolderDone.
Fields #
| Name | Description |
|---|---|
Status UInt32 | — NTSTATUS reference |
Event ID 191 — NetrDfsEnum arrived.
Description
NetrDfsEnum arrived.
Message #
Event ID 191 —
Description
NetrDfsEnum arrived.
Event ID 501 — Referral request received for dfspath DfsPath from client with IPAddress ClientIpAddress and site ClientSite.
Description
Referral request received for dfspath DfsPath from client with IPAddress ClientIpAddress and site ClientSite.
Message #
Fields #
| Name | Description |
|---|---|
DfsPath UnicodeString | — |
ClientIpAddress UnicodeString | — |
ClientSite UnicodeString | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-DFSN-Server",
"guid": "B6C4E17A-2CAC-4273-A390-6F6B8C8C9F01",
"event_source_name": "",
"event_id": 501,
"version": 0,
"level": 4,
"task": 1,
"opcode": 0,
"keywords": 1152921504606846977,
"time_created": "2026-03-13T20:05:06.467486+00:00",
"event_record_id": 1,
"correlation": {
"ActivityID": "8B83AF9E-B321-000B-87F7-838B21B3DC01"
},
"execution": {
"process_id": 4148,
"thread_id": 4796
},
"channel": "Microsoft-Windows-DFSN-Server/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-18"
}
},
"event_data": {
"DfsPath": "",
"ClientIpAddress": "10.2.10.21",
"ClientSite": "Default-First-Site-Name"
},
"message": ""
}
Event ID 502 — DFS has resolved server ServerName to IPAddress ServerIpAddress and site ServerSite.
Event ID 503 — Failed to obtain IPAddress for server ServerName.
Description
Failed to obtain IPAddress for server ServerName. This may cause the client to access high-cost or out-of-site targets.
Message #
Fields #
| Name | Description |
|---|---|
ServerName UnicodeString | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 504 — Failed to resolve IPAddress IpAddress to site name.
Description
Failed to resolve IPAddress IpAddress to site name. This may cause the client to access high-cost or out-of-site targets.
Message #
Fields #
| Name | Description |
|---|---|
IpAddress UnicodeString | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 505 — Referral generated for DFS path DfsPath and client whose site is ClientSite.
Event ID 506 — Request for creating new folder or adding target to existing folder completed with status:Status.
Description
Request for creating new folder or adding target to existing folder completed with status:Status. DfsFolder:DfsPath TargetServer:ServerName TargetShare:ShareName.
Message #
Fields #
| Name | Description |
|---|---|
DfsPath UnicodeString | — |
ServerName UnicodeString | — |
ShareName UnicodeString | — |
Comment UnicodeString | — |
Flags UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-DFSN-Server",
"guid": "B6C4E17A-2CAC-4273-A390-6F6B8C8C9F01",
"event_source_name": "",
"event_id": 506,
"version": 0,
"level": 4,
"task": 2,
"opcode": 41,
"keywords": 1152921504606846978,
"time_created": "2026-03-13T20:45:53.834051+00:00",
"event_record_id": 296,
"correlation": {},
"execution": {
"process_id": 4148,
"thread_id": 3744
},
"channel": "Microsoft-Windows-DFSN-Server/Operational",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": "S-1-5-18"
}
},
"event_data": {
"DfsPath": "\\ludus.domain\\TestDFS\\Folder1",
"ServerName": "LAB-DC01",
"ShareName": "TestDFS\\Folder1",
"Comment": "NULL",
"Flags": 1,
"Status": 1168,
"TimeConsumedInMilliSeconds": 0
},
"message": ""
}
Event ID 507 — Request for deleting a link or removing target of existing link completed with status:Status.
Description
Request for deleting a link or removing target of existing link completed with status:Status. DfsFolder:DfsPath TargetServer:ServerName TargetShare:ShareName.
Message #
Fields #
| Name | Description |
|---|---|
DfsPath UnicodeString | — |
ServerName UnicodeString | — |
ShareName UnicodeString | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 508 — Request to modify properties of DfsPath completed with status Status.
Description
Request to modify properties of DfsPath completed with status Status.
Message #
Fields #
| Name | Description |
|---|---|
DfsPath UnicodeString | — |
ServerName UnicodeString | — |
ShareName UnicodeString | — |
Level UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 509 — Request to retrieve properties of DfsPath completed with status Status.
Description
Request to retrieve properties of DfsPath completed with status Status.
Message #
Fields #
| Name | Description |
|---|---|
DfsPath UnicodeString | — |
ServerName UnicodeString | — |
ShareName UnicodeString | — |
Level UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 509 —
Description
Request to retrieve properties of completed with status .
Fields #
| Name | Description |
|---|---|
DfsPath UnicodeString | — |
ServerName UnicodeString | — |
ShareName UnicodeString | — |
Level UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 510 — Request to enumerate contents of \\DfsPath completed with status Status.
Description
Request to enumerate contents of \\DfsPath completed with status Status.
Message #
Fields #
| Name | Description |
|---|---|
DfsPath UnicodeString | — |
Level UInt32 | — |
PreferredMaxLength UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 510 —
Description
Request to enumerate contents of \\ completed with status .
Fields #
| Name | Description |
|---|---|
DfsPath UnicodeString | — |
Level UInt32 | — |
PreferredMaxLength UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 511 — Request to move dfs folders from DfsPath to NewDfsPath completed with status Status.
Description
Request to move dfs folders from DfsPath to NewDfsPath completed with status Status.
Message #
Fields #
| Name | Description |
|---|---|
DfsPath UnicodeString | — |
NewDfsPath UnicodeString | — |
Flags UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 512 — Request to create a new dfs namespace or add target to existing namespace completed with status Status.
Description
Request to create a new dfs namespace or add target to existing namespace completed with status Status. The namespace server and share name are DfsServer:ServerName Share:RootShare.
Message #
Fields #
| Name | Description |
|---|---|
ServerName UnicodeString | — |
RootShare UnicodeString | — |
FtDfsName UnicodeString | — |
Comment UnicodeString | — |
Flags UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 512 —
Description
Request to create a new dfs namespace or add target to existing namespace completed with status . The namespace server and share name are DfsServer: Share:.
Fields #
| Name | Description |
|---|---|
ServerName UnicodeString | — |
RootShare UnicodeString | — |
FtDfsName UnicodeString | — |
Comment UnicodeString | — |
Flags UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 513 — Request to remove a dfs namespace or remove target from existing namespace completed with status Status.
Description
Request to remove a dfs namespace or remove target from existing namespace completed with status Status. The namespace server and share name are DfsServer:ServerName Share:RootShare.
Message #
Fields #
| Name | Description |
|---|---|
ServerName UnicodeString | — |
RootShare UnicodeString | — |
FtDfsName UnicodeString | — |
Flags UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 513 —
Description
Request to remove a dfs namespace or remove target from existing namespace completed with status . The namespace server and share name are DfsServer: Share:.
Fields #
| Name | Description |
|---|---|
ServerName UnicodeString | — |
RootShare UnicodeString | — |
FtDfsName UnicodeString | — |
Flags UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 514 — Request to create a new standalone or clustered dfs namespace completed with status Status.
Description
Request to create a new standalone or clustered dfs namespace completed with status Status. The namespace server and share name are DfsServer:ServerName Share:RootShare.
Message #
Fields #
| Name | Description |
|---|---|
ServerName UnicodeString | — |
RootShare UnicodeString | — |
Comment UnicodeString | — |
Flags UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 514 —
Description
Request to create a new standalone or clustered dfs namespace completed with status . The namespace server and share name are DfsServer: Share:.
Fields #
| Name | Description |
|---|---|
ServerName UnicodeString | — |
RootShare UnicodeString | — |
Comment UnicodeString | — |
Flags UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 515 — Request to remove standalone or clustered dfs namespace completed with status Status.
Description
Request to remove standalone or clustered dfs namespace completed with status Status. The namespace server and share name are DfsServer:ServerName Share:RootShare.
Message #
Fields #
| Name | Description |
|---|---|
ServerName UnicodeString | — |
RootShare UnicodeString | — |
Flags UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 515 —
Description
Request to remove standalone or clustered dfs namespace completed with status . The namespace server and share name are DfsServer: Share:.
Fields #
| Name | Description |
|---|---|
ServerName UnicodeString | — |
RootShare UnicodeString | — |
Flags UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 516 — DFSN service has started performing complete refresh of metadata for namespace DfsNamespace.
Description
DFSN service has started performing complete refresh of metadata for namespace . This task can take time if the namespace has large number of folders and may delay namespace administration operations.
Message #
Fields #
| Name | Description |
|---|---|
DfsNamespace UnicodeString | — |
SyncFromPDC Boolean | — |
SyncType UInt32 | — |
Event ID 516 —
Description
DFSN service has started performing complete refresh of metadata for namespace . This task can take time if the namespace has large number of folders and may delay namespace administration operations.
Fields #
| Name | Description |
|---|---|
DfsNamespace UnicodeString | — |
SyncFromPDC Boolean | — |
SyncType UInt32 | — |
Event ID 517 — DFSN service completed performing refresh of metadata for namespace DfsNamespace with status Status.
Description
DFSN service completed performing refresh of metadata for namespace DfsNamespace with status Status. Time taken to perform this operation TimeConsumedInMilliSeconds milliseconds.
Message #
Fields #
| Name | Description |
|---|---|
DfsNamespace UnicodeString | — |
SyncFromPDC Boolean | — |
SyncType UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 517 —
Description
DFSN service completed performing refresh of metadata for namespace with status . Time taken to perform this operation milliseconds.
Fields #
| Name | Description |
|---|---|
DfsNamespace UnicodeString | — |
SyncFromPDC Boolean | — |
SyncType UInt32 | — |
Status UInt32 | — NTSTATUS reference |
TimeConsumedInMilliSeconds UInt64 | — |
Event ID 518 — DFSN service has successfully deleted DFS reparse point DfsReparsepoint on volume VolumeName.
Description
DFSN service has successfully deleted DFS reparse point DfsReparsepoint on volume VolumeName. The reparse point was deleted because it was not belonging to any of the namespaces on this server.
Message #
Fields #
| Name | Description |
|---|---|
DfsReparsepoint UnicodeString | — |
VolumeNameLength UInt16 | — |
VolumeName UnicodeString | — |
Status UInt32 | — NTSTATUS reference |
Event ID 518 —
Description
DFSN service has successfully deleted DFS reparse point on volume . The reparse point was deleted because it was not belonging to any of the namespaces on this server.
Fields #
| Name | Description |
|---|---|
DfsReparsepoint UnicodeString | — |
VolumeNameLength UInt16 | — |
VolumeName UnicodeString | — |
Status UInt32 | — NTSTATUS reference |
Event ID 519 — DFSN service has failed to deleted DFS reparse point DfsReparsepoint on volume VolumeName with status Status.
Description
DFSN service has failed to deleted DFS reparse point DfsReparsepoint on volume VolumeName with status Status. The service attempted to delete this reparse point as it does not belong to any of the namespaces on this server.
Message #
Fields #
| Name | Description |
|---|---|
DfsReparsepoint UnicodeString | — |
VolumeNameLength UInt16 | — |
VolumeName UnicodeString | — |
Status UInt32 | — NTSTATUS reference |
Event ID 519 —
Description
DFSN service has failed to deleted DFS reparse point on volume with status . The service attempted to delete this reparse point as it does not belong to any of the namespaces on this server.
Fields #
| Name | Description |
|---|---|
DfsReparsepoint UnicodeString | — |
VolumeNameLength UInt16 | — |
VolumeName UnicodeString | — |
Status UInt32 | — NTSTATUS reference |
Event ID 520 — The DFS Namespace service could not obtain site costs for the following Active Directory Domain Services site: ADSite.
Description
The DFS Namespace service could not obtain site costs for the following Active Directory Domain Services site: ADSite. This might cause clients to access folder targets in other sites. Error code: Status.
Message #
Fields #
| Name | Description |
|---|---|
ADSite UnicodeString | — |
Status UInt32 | — NTSTATUS reference |
Event ID 521 — The DFS Namespace service is unable to contact Active Directory Domain Services.
Event ID 521 —
Description
The DFS Namespace service is unable to contact Active Directory Domain Services.
Fields #
| Name | Description |
|---|---|
DomainName UnicodeString | — |
DomainControllerName UnicodeString | — |
LdapError UInt32 | — |
Event ID 522 — A DFS folder has incorrect metadata in the registry.
Description
A DFS folder has incorrect metadata in the registry. The standalone namespace that contains this DFS folder is offline.
Message #
Fields #
| Name | Description |
|---|---|
DfsFolderMetadataRegistryPath UnicodeString | — |
Status UInt32 | — NTSTATUS reference |
Event ID 522 —
Description
A DFS folder has incorrect metadata in the registry. The standalone namespace that contains this DFS folder is offline.
Fields #
| Name | Description |
|---|---|
DfsFolderMetadataRegistryPath UnicodeString | — |
Status UInt32 | — NTSTATUS reference |