CallManager 3.3(3)sr4a (OS 2000-2-7sr8) - OS upgrade to 2000-4-4a...?
At the end of this week I will be upgrading our CCM cluster's OS level to the 2000-4-4a train. A few weeks after this we are looking to do the actual CCM Platform upgrade to 3.3(5)sr2.
Is there anything quirky i need to take into consideration prior to upgrading the OS level to 2000-4-4a? We have disk mirroring on our clustered servers so i will be breaking the system drives mirror prior to patching each server so I have a roll-back route. (Servers powered off first for a clean break!)
My main concern about the OS patch (2000-4-4a) is that it seems to include BIOS and Firmware upgrades. These concern me slightly because they will be far harder to back out than simple Microsoft hotfixes...
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...