Event ID - 671

Event Id671
SourceSecurity
DescriptionUser Account Unlocked:
      Target Account Name: <Account Name>
      Target Domain: <Domain Name>
      Target Account ID: <Target Account ID>
      Caller User Name: <User Name>
      Caller Domain: <Domain Name>
      Caller Logon ID: <Logon ID>
     
Event InformationCause:
This event is logged when you unlock an account that was locked out.

Description contains following information:

Target account name - User name whose account is unlocked .
Target domain - Domain name of the user whose account is unlocked .
Target account ID - Account ID of the user whose account unlocked .
Caller user name - User name who unlocked the account .
Caller domain - Domain name of the user who unlocked the account .
Caller logon ID - Logon ID of the user who unlocked the account .

User Action:
Verify the target account name and the caller user name who unlocked the account is authorized.

Note :This event is logged on windows 2000,xp and 2003 server operating system.
Reference LinksAlternate Event ID in Vista and Windows Server 2008 is 4767

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