NTLM Security Protocol

EventTitleChannelSampleRule
0NTLM Server AcceptETW TraceNN
1NTLM Client InitializeETW TraceNN
2NTLM Validate CredentialsETW TraceNN

Event ID 0: NTLM Server Accept

#
Channel
ETW Trace
Opcode
Info
Source
Trace

Fields #

NameDescription
StageHint mof:UInt32
InContext mof:UInt32
OutContext mof:UInt32
Flags mof:UInt32
UserName mof:String
DomainName mof:String
Workstation mof:String

Event ID 1: NTLM Client Initialize

#
Channel
ETW Trace
Opcode
Start
Source
Trace

Message #

NTLM Validate Credentials

Fields #

NameDescription
StageHint mof:UInt32
InContext mof:UInt32

Event ID 2: NTLM Validate Credentials

#
Channel
ETW Trace
Opcode
End
Source
Trace

Fields #

NameDescription
Success mof:UInt32
LogonServer mof:String
LogonDomain mof:String
UserName mof:String
Workstation mof:String

Provenance

ETW provider GUID {C92CF544-91B3-4DC0-8E11-C580339A0BF8}

  • WS2025-26100.0, schema read from the WMI MOF class, captured 2026-02-26

    Taken from Windows installation media (build 26100.1), not a patched system, so the exact update level is unknown.

  • WS2022-20348.4893, schema read from the WMI MOF class, captured 2026-06-02

    MOF class: MSV1_0Trace

  • Win11-26200.6584, schema read from the WMI MOF class, captured 2026-06-02

    MOF class: MSV1_0Trace