Event ID:
7
Source:
Kerberos
Message:
The kerberos subsystem encountered a PAC verification failure. This indicates that the PAC from the client computername$ in realm DOMAIN.LOCAL had a PAC which failed to verify or was modified. Contact your system administrator.
Solution by Event Log Doctor
Tue Mar 08 15:27:19 -0500 2005This error appeared on a Windows XP workstation (SP2) in a Win2k3 domain. The workstation had not been rebooted in a while, and rebooting the workstation solved the problem.