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Microsoft-Windows-Security-Auditing › Event 4778

Event ID 4778 — A session was reconnected to a Window Station.

Provider
Microsoft-Windows-Security-Auditing
Channel
Security
Audit Policy
Logon/Logoff → Other Logon/Logoff Events
Collection Priority
Recommended (Palantir, others)
Opcode
Info

Description

A session was reconnected to a Window Station.

Message #

A session was reconnected to a Window Station.

Subject:
	Account Name: %1
	Account Domain: %2
	Logon ID: %3

Session:
	Session Name: %4

Additional Information:
	Client Name: %5
	Client Address: %6

This event is generated when a user reconnects to an existing Terminal Services session, or when a user switches to an existing desktop using Fast User Switching.

Fields #

NameDescription
Account_Name[Subject] Account Name.
Account_Domain[Subject] Account Domain.
Logon_ID[Subject] Logon ID.
Session_Name[Session] Session Name.
Client_Name[Additional Information] Client Name.
Client_Address[Additional Information] Client Address.

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Security-Auditing",
    "guid": "54849625-5478-4994-A5BA-3E3B0328C30D",
    "event_source_name": "",
    "event_id": 4778,
    "version": 0,
    "level": 0,
    "task": 12551,
    "opcode": 0,
    "keywords": 9232379236109516800,
    "time_created": "2021-05-14T21:01:05.831748Z",
    "event_record_id": 1829819,
    "correlation": {
      "#attributes": {
        "ActivityID": "A67BE420-4636-0001-36E4-7BA63646D701"
      }
    },
    "execution": {
      "process_id": 576,
      "thread_id": 4904
    },
    "channel": "Security",
    "computer": "fs01.offsec.lan",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "AccountName": "admmarsid",
    "AccountDomain": "OFFSEC",
    "LogonID": "0x6a423",
    "SessionName": "RDP-Tcp#8",
    "ClientName": "JUMP01",
    "ClientAddress": "10.23.23.9"
  }
}

Community Notes #

Useful for tracing session re-use.

References #