[cisco-voip] Partition Rollback: UCM 7.1(5b) Unrestricted to UCM 7.1(5a) Restricted?

[Ryan Ratliff]

For starters I don't think you can upgrade from restricted to unrestricted.  

Assuming you mean 7.1(5a) unrestricted and 7.1(5b) restricted...

How did you try switching, using the CLI or the recovery disk?  I think I've seen on this alias that the CLI won't let you switch back and I don't know if this is intended or not.

I have seen bugs related to subscriber upgrades failing when the pub has been upgraded from restricted to unrestricted (CSCti72527).

I have also seen TAC SRs where they were able to switch back with no problem.

-Ryan

On Sep 28, 2010, at 10:52 AM, Matthew Linsemier wrote:

All,

I have received conflicting information from both TAC as well as other resources on the Internet to find out if you can roll back your UCM version from a “Unrestricted” version to a “Restricted” version?  The scenario goes as follows:

An upgrade was performed on a UCM server from a 7.1(5a) “Restricted” licenses to 7.1(5b) “Unrestricted”.  No other upgrades have been performed since this so basically it looks like this on the UCM publisher and subscriber:

Active Partition: UCM 7.1(5b) “Unrestricted”
Alternate Partition: UCM 7.1(5a) “Restricted”

My question is, can I swap the partitions back to the original restricted versions of UCM and then apply the UCM 7.1(5b) restricted OS upgrade which is what we want to have on the UCM cluster.  TAC originally said yes this is not an issue, but then came back and said no you couldn’t do it.  When I started asking questions like “What if my upgrade had failed, does that mean that I would have had to rebuild UCM and wouldn’t be able to go back to the previous partition?” and I didn’t really get a strait answer.

To me it seems that I should be able to recover to a previous “Restricted” license on both Publisher and the Subscriber and everything should work as before, then I just put the proper “Restricted” upgrade on the UCM servers.  Isn’t this what the separate partitions are for?  Even so, if I tried swapping back and it didn’t work, couldn’t I just go back to the current “Unrestricted” working partition.

Can anyone give any insight on this?

Thanks,

Matt


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