Clock Skew Error While Connecting Cisco ACS 5.x to Active Directory

You may Get clock skew error while connecting from Cisco Access Control Server (ACS 5.x) to Microsoft Active Directory selecting it as an External Database. The Clock time should be the same on both Cisco ACS server and Microsoft Active Directory Server to avoid this error.

You can configure the ACS Server with three command so that the Clock is matching with the Active Directory Server.
Command are;
1. clock set Nov 04 05:05:05 2013
2. clock timezone Asia/Karachi
3. ntp server 10.0.0.1
Once set these command Save the configuration in ACS server, reload the server and try connecting external database again.

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