Hi,
Im getting countless logon failures on one of my Domain Controllers. All of the say the same:
EventID : 4776
MachineName : xxx.xxx.corp
Data : {}
Index : 1833032704
Category : (14336)
CategoryNumber : 14336
EntryType : FailureAudit
Message : TThe computer attempted to validate the credentials for an account.
Authentication Package: MICROSOFT_AUTHENTICATION_PACKAGE_V1_0
Logon Account:l21xxxx_xxxxx
Source Workstation:
Error Code: 0xc0000064
Source : Microsoft-Windows-Security-Auditing
ReplacementStrings : {MICROSOFT_AUTHENTICATION_PACKAGE_V1_0, , , 0xc0000064}
InstanceId : 4776
TimeGenerated : 25-08-2013 12:52:15
TimeWritten : 25-08-2013 12:52:15
UserName : l21xxxx_xxxxx
We have renamed the user name since then we are getting this error message would you please help to find more details about the same