Re: Unity upgrade - 3.1 to 4.0, VM to UM and adding failover
OK lets see if we can cover all these here
Yes, the steps you have laid out there (upgrade to 4.x, update license to UM ) will work fine.
Youll need to be sure to delete the users on the existing UM server before decommissioning it, of course, so that they can be reimported into the new server youre creating sounds like you were planning on that, just making sure.
Im not sure what youre asking about the licensing here youll have to talk with your account team about converting your existing VM and UM licenses into one big UM license on the new server Im sure they can accommodate you but theyll have to deal with that for you, thats not a regular operation thats performed during upgrades or the like. Theyll likely issue you an upgrade code for your existing VM server that will convert it to UM and add more seats Id guess theyll give you a credit for your existing UM server you have licensed but again, thats a discussion for your account team.
If the license also adds failover there should be no problem using the other box as your failover server just make sure you get a license for it and follow the installation guide for failover shouldnt present any special issues. The install guide includes a section on upgrading to failover that you may want to look over if you havent already youll find the chapter here:
IntroductionCUCM Routing RulesDial String implementation PolicyCUCM Routing LogicSIP URI Call Routing Analysis+++ Case Study: 1 ++++++ Case Study: 2 +++Conclusion
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