I am looking for some advice and assistance.
A few weeks ago we received our CUCM 7.0.2 DVD discs from Cisco. We are currently running version 22.214.171.1240-3.
Anyway, after some initial research it was decided by my company that I perform the upgrade last week. Although I felt that I needed a bit more time to research this more fully we carried out a successful disaster recovery procedure on the publisher and commenced with the upgrade.
During the upgrade I followed all the guidelines on the Cisco site for software upgrade http://www.cisco.com/en/US/products/sw/voicesw/ps556/prod_installation_guides_list.html
And everything initially seemed okay when we switched to the new version. The phones received a firmware upgrade and all phones seemed to be communicating okay. However, it wasn't long before we realised that things weren't quite right.
First of all we found that all the phones were registered to the subscriber which hadn't been upgraded yet. We then found that all communications with our remote sites had went down. As such I had to spend a day changing dial-peers on our remote sites to the ip address of our subscriber so that communications could be resumed.
At this stage we have the publisher running version 7.0.2 with all phones in âunknown statusâ and the subscriber running 6.1.1 with all the phones now registered to this instead. I am unsure what I can do to rectify the problem and at a loss to explain why the problem occurred in the first place. For example, when I was doing the upgrade in the first instance should I have upgraded the publisher and the subscriber at the same time then switched versions at the same time. I tried upgrading the publisher, switched versions, then upgraded the subscriber but when I tried to switch versions it wouldn't and that's when we started having problems.
At this point I am unsure how to progress - do I revert the publisher back to the previous version or should I stick with version 7 and try to get the subscriber to the same version. Has anyone came across anything similar or help me in anyway. I really need to get this resolved as soon as possible.
Thanks for your help.