Cisco Cisco Computer Telephony Integration Option 9.0 Installation Guide
Uninstallation Sequence
Follow this sequence of steps if you need to uninstall 8.5(1) from your ICM and CTI OS
components.
components.
Step 1
Uninstall 8.5(1) from the PGs, CTI OS Server, and desktop clients.
a.
On the PGs and CTI OS Server stop all ICM services. Uninstall ICM 8.5(1) and CTI OS
8.5(1), respectively.
8.5(1), respectively.
b.
On each of your CTI OS Desktops, stop the desktop. Then uninstall 8.5(1).
Step 2
Disable configuration changes.
a.
On the side A and B CallRouters, in the Windows registry, set
HKEY_LOCAL_MACHINE\Software\Cisco Systems, Inc.
\ICM\<instancename>\<RouterSide>\Router\CurrentVersion\Configuration\Global\DBMaintenance
to 1.
b.
To verify configuration has been disabled, in Unified CCE Configuration Manager make
a change of any sort and try to save it. This message should display:
a change of any sort and try to save it. This message should display:
Failed to update the database. Exclusive access to the CallRouter denied because configuration
changes are currently disabled in the router registry.
changes are currently disabled in the router registry.
Step 3
Uninstall 8.5(1) from side A. To do this:
a.
On the primary Administration & Data Server associated with the side A Central Controller,
stop all ICM services. Then uninstall 8.5(1).
stop all ICM services. Then uninstall 8.5(1).
Note: These instructions assume that your CallRouter and Logger are co-located on the same
machine. If they are not, perform this step on each in any order.
machine. If they are not, perform this step on each in any order.
b.
On the side A Central Controller, stop all ICM services. Uninstall 8.5(1).
c.
Reboot the side A Central Controller and the primary Administration & Data Server.
d.
On the side B Central Controller, stop all ICM services. This causes default routing to
occur.
occur.
e.
On the side A Central Controller and the primary Administration & Data Server, restart
ICM services.
ICM services.
f.
Verify side A is operational (for example, by making a call).
Step 4
Uninstall 8.5(1) from side B. To do this:
a.
On the primary Administration & Data Server associated with the side B Central Controller,
stop all ICM services.
stop all ICM services.
Upgrade Guide for ICM and CTI OS for Cisco Unified Contact Center Enterprise Release 8.5(1)
16
Chapter 2: Deployment Sequence for Upgrading ICM and CTI OS Components