MonitorWare Knowledge Base

I know KRBTGT is the Kerbero Ticket stuff. But why does this error
flood my event logs on all my servers in the domain ?

Pre-authentication failed:
User Name: Administrator
User ID: MYDOMAIN\Administrator
Service Name: krbtgt/MYDOMAIN
Pre-Authentication Type: 0x2
Failure Code: 0x18
Client Address: 192.xxx.xxx.xxx

There are a number of reasons for that. I often found that improper time-synchronization among machines can cause this problem. Please check if the time is within acceptable limits (around 5 minutes difference).

Rainer