This event is logged when you unlock an account that was locked out.
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 .
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.