Cisco Cisco Unified IP Interactive Voice Response (IVR) 8.0(1) Administrator's Guide

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Cisco Unified Communications Operating System Administration Guide for Cisco Unifed CCX Release 8.0(1)
Chapter 7      Software Upgrades
  Stalled Upgrades
Note
If you lose your connection with the server or close your browser during the upgrade process, you may 
see the following message when you try to access the Software Upgrades menu again: 

Warning: Another session is installing software, click Assume Control to take over the installation.

If you are sure you want to take over the session, click Assume Control. If Assume Control does not 
display, you can also monitor the upgrade with the Real Time Monitoring Tool.
Step 13
To upgrade and manually reboot the upgraded partition at a later time, perform the steps 10 to 13 
mentioned in 
Stalled Upgrades
During the installation of upgrade software, the upgrade may seem to stall. The upgrade log stops 
displaying new log messages. When the upgrade stalls, you must cancel the upgrade and restart the 
upgrade procedure. For more information, see the 
.
Reverting to a Previous Version
After upgrading, you can revert to the software version that was running before the upgrade, by using 
the Switch Version option to switch the system to the software version on the inactive partition.
Procedure
Step 1
Open Cisco Unified Operating System Administration directly by entering the following URL:
https://server-name/cmplatform
where server-name specifies the host name or IP address of the server.
Step 2
Enter your platform administrator user name and password.
Step 3
Choose Settings > Version.
The Version Settings window displays.
Step 4
Click the Switch Versions button. See 
 
Step 5
After you verify that you want to restart the system, the system restarts, which might take up to 15 
minutes. Follow the steps 10 to 12 mentioned in 
Step 6
During the switch version process, follow the steps mentioned below:
a.
Close all open Cisco Desktop clients such as Cisco Agent Desktop (CAD), Cisco Supervisor 
Desktop (CSD), and Cisco Desktop Administrator (CDA) on the client desktops. 
b.
Once you complete switch version on the node(s) successfully, manually uninstall the existing Cisco 
Desktop clients and re-install the new Cisco Desktop Clients from the current active partition.