Cisco Cisco NAC Appliance 4.7.5 Release Notes

To upgrade from Cisco NAC Appliance Release 4.1(8) or earlier to Release 4.7(5), you must first 
upgrade your system to Release 4.5(x), 4.6(1), or 4.7(x) and then upgrade to Release 4.7(5).

This section provides instructions for how to upgrade your existing supported Cisco NAC Appliance 
platform to Release 4.7(5). If you need to perform a new CD software installation, refer instead to 

.

Refer to the following information prior to upgrade:

 

During the upgrade process, new users will not be able to log in or authenticate with Cisco NAC 
Appliance until the Clean Access Server reestablishes connectivity with the Clean Access Manager.

Cisco NAC Appliance 4.7(5) release includes Cisco NAC Profiler Collector version 2.1.8-39 by default. 
When upgrading the CAS to a newer Cisco NAC Appliance release, the current version of the Collector 
is replaced with the default version of the Collector shipped with the Cisco NAC Appliance release. For 
example, if you are running Release 4.7(2) and Collector 3.1.0-24, and you upgrade to NAC 4.7(5), the 
Collector version will be downgraded to 2.1.8-39. Refer to the

for 

software compatibility matrixes and additional upgrade and product information.

Depending on the type of upgrade you are performing, use one of the following sets of guidelines to 
successfully upgrade your Cisco NAC Appliance release image, Cisco NAC Appliance hardware, or 
both:

If you are upgrading from an earlier Cisco NAC Appliance release on non-Cisco hardware to a next 
generation Cisco NAC-3315/2255/3395 platform, you must use the new Cisco Migration Utility 
available on CCO and follow the migration instructions in 

 and then upgrade your system(s) to Release 4.7(5) according to the 

guidelines in 

.