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Cisco Bug: CSCtb62208 - Improve ACS Active Directory TLS support

Last Modified

Mar 15, 2016

Products (1)

  • Cisco Secure Access Control Server for Windows

Known Affected Releases

4.2(0.1) 4.2(1.1)

Description (partial)

PEAP EAP-MSCHAP machine authentications and/or EAP-TLS user/machine authentication may all start to fail with an "External user not found" error, even when the user or machine account is known to exist.

The AUTH.log may show messages like the following:

 host/ is not a valid machine name
 host/ not found
 Could not find user host/
The problem is triggered when connectivity between ACS software or the ACS remote agent and an LDAP server is interrupted.
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