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Beginner

WLC to ACS5.3 got error "24444 Active Directory operation has failed"

Setup WLC 5508 to Eval ACS 5.3 and set ACS external DB to AD.

It's working fine with ASA VPN client ( VPN client to ASA then authenticate to ACS with AD)

But when testing wireless authentication from WLC 5508 to ACS 5.3, it couldn't get thru and kept showing the same error messages "

11051 RADIUS packet contains invalid state attribute

24444 Active Directory operation has failed because of an unspecified error in the ACS

Is there any wrong with ACS hardware ? or my configure problem.

Let me know if need any config info.

Thank you very much

Scott

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Hi Saurav,

Thanks for replying.

Found the root cause. ACS 5.3 doesn't support Windows 2012 Server. Upgrade to 5.5 will fix the problem.

Scott