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We have a Windows domain aroung 800 users. We got a wireless 802.1x infrastructure and a VPN box which has been using Cisco ACS as the Radius authenticator.
We are experiencing massive Windows AD user lockouts from time to time. In one of those I noticed that CsAuth.exe is crashed on our Windows Cisco ACS server.
Ive searched this forum and couple of external sites thinking that may be someone have found out a relation between these issues.
Anyone has any comments or recommendations about where to look for ?
Ive already checked the "Failed Attempts" log files and everything seems normal ?
Thanks in advance.
In that case I will suggest upgrading to the latest version it is know that ACS version 4.0 has some issues with services.
I seen many situations similar than your and the upgrade solved the issue.
Please open a TAC SR and request for the latest software.