I have a technical question that I need advice on.
We have a customer with Unity failover and we need to upgrade from 4.0 to 4.2 - its UM and currently they are using win2000 and they have requested win2k3 as part of the upgrade. The guide states that we must have both servers down to do the upgrade - is that really necessary? Could we break the mirror, have the primary working on its own and then upgrade the Unity to 4.2 on the secondary, then DIRT backup and rebuild as a win2k3 with Unity 4.2 ? I assume we would have to run a Unity Uninstall on the secondary. Once we have the secondary up and working switch off the primary and then DIRT import the data onto the secondary that way continuing service to the customer with the added comfort that there is always a system available in case of issues?
SIP traces provide key information in troubleshooting SIP Trunks, SIP
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Please find the attached HTML document, download and open it on your PC.
This provides an easy to use form where you simply answer a few
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CUCM Database Replication is an area in which Cisco customers and
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