I've got a file/print server in a remote site that is also a Domain Controller. I'm seeing several Kerberos event 4, and unlike most of what I'm finding online, these are centered around client machines at the site in question, and not referencing other domain controllers.
"The Kerberos client received a KRB_AP_ERR_MODIFIED error from the server <<client workstation 1>>. The target name used was cifs/<<client workstation 2>>".
So far this morning I've seen four of these, each referencing a different pair of clients. I don't know if it's related, but additionally, various clients have been complaining about incredible slowness of file services at that site. The only reason I think these might be related is the "cifs" part of the error message.
Any suggestions?