We have a simple AD on Server 2003 with current SPs. Approx 30 users. No changes were made to DNS or Active Directory.
In a rolling pattern, many of the users -- but not all -- logged on to new, blank profiles. The previous profiles were accessible but indicated an unknown user account under security. The new profiles appended the domain to the username as we'd expect based upon settings. Some of the systems continue to work without change and we've attempted to replicate the issue on them with no luck.
All server and workstation logs indicate nothing -- no connection or authentication problems. The domain itself was unchanged on the server side.
I know this is far too vague to look for resolution here. What I really need are some ideas on where to dig since the logs have produced nothing obvious. Thanks!