Cisco Cisco NAC Appliance 4.9.3 Release Notes

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Release Notes for Cisco NAC Appliance, Version 4.9(3)
OL-29567-01 
  Upgrading to Release 4.9(3)
Upgrading to Release 4.9(3)
Note
When you directly upgrade from Cisco NAC Appliance Release 4.9 to Release 4.9(3), you might face 
issues, especially on the CAS. It is recommended to upgrade from Release 4.9 to Release 4.9(1), and 
then to Release 4.9(3).
Note
To upgrade from Cisco NAC Appliance Release 4.1(8) or earlier to Release 4.9(3), you must first 
upgrade your system to Release 4.8(x), then to Release 4.9(1) and then upgrade to Release 4.9(3).
You cannot upgrade Cisco NAC Appliance Release 4.1(8) or earlier to Release 4.8(x). You need to 
upgrade your system to Release 4.5(x), 4.6(1), or 4.7(0) and then upgrade to Release 4.8(x).
Note
Starting from Cisco NAC Appliance Release 4.9, if there are inconsistencies in the database schema of 
the CAM, the upgrade process may be aborted. It is recommended to upgrade the CAM first and then 
the CAS. Otherwise, the CAS would have been upgraded but not the CAM. See also 
.
Caution
While upgrading to Cisco NAC Appliance Release 4.9 or later, there is a possibility of the existing CAM 
database containing orphan data. The orphan data may be present in 
dm_report_av
 and 
dm_report_soft
 
database tables. The presence of orphan data causes failure in upgrading to Release 4.9(x). You must 
remove the orphan data before upgrading to Release 4.9(x). Refer to 
This section provides instructions for how to upgrade your existing supported Cisco NAC Appliance 
platform to Release 4.9(3). If you need to perform a new CD software installation, refer instead to 
Refer to the following information prior to upgrade:
Caution
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.
Note
Cisco NAC Appliance 4.9(3) release includes Cisco NAC Profiler Collector version 3.1.0.24 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