We reset the administrator password of our AD Domain and on every server once a month.
Everytime I do this two of the servers start logging the following errors, a reboot of the servers resolves this until I change the password the following month when it reoccurs, any ideas. I've checked to see if there are any services running the administrator account and also any tasks and their aren't.
The Security System detected an authentication error for the
server LDAPemail@example.com. The failure code from authentication protocol Kerberos
was "The attempted logon is invalid. This is either due to a bad username or authentication information.