Unity 4.21. W2K. External message storage E2K. Now we are planning to upgrade the system to 2003, exchange may be upgrade to e2003 too. My question is, can we do an inbox upgrade? Is there a Cisco link outline the recommendation and procedure?
You can do an inplace upgrade for Exchange, but you CAN NOT do an inplace upgrade of the OS. It is recommended you backup the Unity server using DIRT. Use the Platform discs to reinstall the system from scratch to Unity 4.2.1 Then use DIRT to restore the system.
Note this important callout which Tommer pointed out:
Windows Server 2003 is supported on the Cisco Unity server only with Cisco Unity version 4.0(4) and later. Upgrading from Windows 2000 to Windows Server 2003 is not supported when any additional software has been installed on the server (for example, SQL Server 2000 or MSDE 2000, or Cisco Unity). Upgrading to Windows Server 2003 on an existing Cisco Unity server is supported only when you back up Cisco Unity data by using the Cisco Unity Disaster Recovery Backup tool, reinstall all software on the Cisco Unity server, and restore Cisco Unity data by using the Cisco Unity Disaster Recovery Restore tool.
Since my last post regarding your question on whether the Unity server running Windows 2003 can be homed to an Exchange server running Exchange 2000, I've rechecked the documentation and wish to provide this update.
It has been clarified in CSCso20392 that even though the System Requirement documents may leave room for interpretation of such support, the Installation Guides are explicit that this is not supported. Specifically, the 'Setting up Exchange' sections of Installation Guides for unity 4.x and 5.x state as follows:
"When Windows Server 2003 is installed on the Cisco Unity server, you must use an Exchange 2007 or Exchange 2003 server as the partner server."
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