I forgot to mention that CTI Manager will also need to be restarted as it also uses the callmanager cert. I also will bounce all phones in a cluster after I'm done with cert work by going to Enterprise Parameters and using the reset button. You can v...

Hi Kim, IPSEC and can be done at any time with no impact to users. Like you said, restart the DR components, take a backup, and you're set. callmanager and TVS should be done a good deal of time apart. I actually like to wait a few weeks on the off-...

Hello, You may be hitting a bug, unfortunately. Since you are on 10.0, you will be susceptible to hitting the following: https://bst.cloudapps.cisco.com/bugsearch/bug/CSCut02692 Hope this helps, -- Steve H.

There has been a lot of confusion on this topic. I've heard of conflicting reports from TAC on this process in regards to the use of the Rollback parameter. One thing I've seen is that the documented process is likely wrong and the Rollback to Pre-8....

Hello,Please advise if Adrian's tip has fixed this or not, but you may also want to run the DSP calculator to ensure you have enough DSP resources left over.  By the looks of things, you have 8 E1 circuits enabled, which I'm estimating could be using...