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Upgrading CM 4.1 to CUCM 8.6

Hi All,

I have a CUCM 8.6 which was upgraded from CM 4.1 to CUCM 8.6 about few months ago by another colleague of mine. The person has left the company, and the CUCM 8.6 has not come up into the production network.

Between that time till now, there has been alot of changes made that no one has kept track with.

Looking at the situation I can see 2 options:

a) Re-do the upgrade from 4.1 to 8.6 based on the thread: https://supportforums.cisco.com/thread/2149422

b) Trace back changes manually and make the changes (i.e Bulk admin, etc?)

Just would like to ask everyone for ideas on the best way forward.. if you have any ideas that I could avoid re-doing Option (a), I would greatly appreciate it.

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Hall of Fame Master

Upgrading CM 4.1 to CUCM 8.6

It depends on how many changes were made. If it was a lot I would go with option A, if you are unsure I would also go with option A, if there was only some basic changes such as phone changes, etc and you can identify them option B would be easiest.

HTH,

Chris

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