[cisco-voip] Unity migration from 4.x to 5.0

[Ed Leatherman]

Hi folks,

Planning out our upgrade to Unity version 5 from 4.2.1 (running win2k). I
have a spare server of the same model etc that I would like to use to make
the OS upgrade easier but had a question I was hoping someone on the list
might know.

What I'm considering is bringing up the new server as a brand new Unity
install with a new server name, IP address, etc while the existing system is
still in place, and then migrate the users/settings over. Does anyone know
if it's possible using the global subscriber manager to move subscribers
from a Unity 4.2 system to a Unity 5.0 system? I've never used the tool
myself for this purpose (we only have 1 Unity server), but I see that it had
"importing, deleting and moving subscribers between Unity servers".. just
not sure about between versions of Unity. I would still have to reconfigure
call handlers in this case. I'm trying to get a hold of some lab resources
to test GSM myself between unity versions.

My other option (if I understand correctly) would be to build the system as
the same version of Unity 4.2 on win2k3, do a DiRT restore, and then upgrade
to 5.0. Maybe this is quicker anyway, has anyone had trouble with this?
assuming the same version of DiRT to backup and restore of course.


Thanks!

-- 
Ed Leatherman
Senior Voice Engineer
West Virginia University
Telecommunications and Network Operations
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