Cisco Cisco NAC Appliance 4.1.1 Release Notes

This section consolidates information for the Clean Access Agent client software. 

 lists the latest 

enhancements per version of the Clean Access Agent. Unless otherwise noted, enhancements are 
cumulative and apply both to the version introducing the feature and to subsequent later versions. 

See 

 for details on related AV/AS support. 

1.

See 

 for upgrade compatibility details.

4.1.1.0

Agent version 4.1.1.0 and release 4.1(1) support Windows Vista client systems. 
Administrators can configure checks/rules/requirements and hotfixes specific 
to Windows Vista. (See 

.)

Clean Access Agent stub is not supported on Windows Vista. 

For checks/rules/requirements, the Agent can detect “N” (European) 
versions of the Windows Vista operating system, but the CAM/CAS treat 
“N” versions of Vista as their US counterpart. 

The 4.1.1.0 Agent CAS discovery method is streamlined for when the CAS is 
unreachable and there is a new “Agent VPN Detection Delay” option in the 
CAM web console to support SSO VPN. (See 

.)

See 

 for details.

RADIUS Challenge-Response Support

Automatically Close Message Dialog After Successful Login

IP Refresh Support for Out-of-Band Deployments

Allow Only One Mac OS Agent to Run on the Client at a Time

Release 4.1(1) does not support auto-upgrade for the Mac OS Agent. Users 
can upgrade client machines to the latest Mac OS Agent by downloading the 
Agent via web login and running the Agent installation.

For more details, see 

.