If you think that a GPO is still involved use the WMI filter to prevent GPOs from applying.Īlso note there could be GPOs applied at the site level, but you will see those in the gpresult output. Either way this can help to limit the scope to search.įrom a cmd prompt use gpupdate to test the changes without having to wait and gpresult /R to see what GPOs applied to the system. If the issue still occurs it is related to the default domain GPO, a GPO that applies to the entire domain or is not GPO related. If the credential manager doesn't help, I would try putting the system in an OU without any GPOs to test. The user account has no associated email address, and I've extensively researched the usual array of known lockout issues.Īny clues for me ? I'm getting ready to take down this production server and reset its computer object in AD, but I don't know that it will help. I've used lockout tools to reveal that all lockouts are originating from this particular server. I've tested this thoroughly by checking that the user account is not locked, running gpupdate on the server, and then re-checking the user account, which immediately locks.
I checked the items a-c, none seem to be the case. The Distributed File System (DFS) client has been disabled. Name Resolution/Network Connectivity to the current domain controller.ī) File Replication Service Latency (a file created on another domainĬontroller has not replicated to the current domain controller). Transient and could be caused by one or more of the following: a) May not be applied until this event is resolved. \\SysVol\\Policies\gpt.iniįrom a domain controller and was not successful. Password change attempts have been requested. The failure code fromĪuthentication protocol Kerberos was "The user account has beenĪutomatically locked because too many invalid logon attempts or
This happens whether or not I disable the Credential Manager service, whether or not I am logged on, whether or not I log out and use a local admin account to delete my profile.Įvent ID 40960: The Security System detected an authentication errorįor the server cifs/. There are no entries in Credential Manager. To resolve this error, openĬredential Manager in Control Panel, and reenter the password for the This might be caused by the user changing the password from thisĬomputer or a different computer. I found no information on the web indicating any one else has seen this, and I find it unbelievable myself.Įach time 3 System events are logged on the server:Įvent ID 14: The password stored in Credential Manager is invalid. After much research and testing I found that the server is locking my account at each failed attempt to update Group Policy (about every 90 minutes). I built a Windows 2008 R2 server last year, and ever since my elevated account locks 10-12 times a day.
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