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drawson's avatar
drawson
Brass Contributor
Aug 05, 2019
Solved

2010 SP 3 Migration to Hosted Exchange (O365)

We are preparing to migrate our on premises 2010 SP 3 Exchange server, version number 14.3.123.4, to our hosted O365 environment. I've spoken to one person who mentioned that we are in luck because 2...
  • HidMov's avatar
    Aug 05, 2019

    Hi drawson 

     

    I'm about to do the same for one of our clients. Most of the documentation I've read just mentions needing SP3 but having it on the latest release to maximize chances of successful migration. My client is currently on 14.3.361.1 RU 18 which isn't too far behind, but I'm going to be updating the latest RU for avoidance of doubt. 

     

    https://docs.microsoft.com/en-us/Exchange/hybrid-deployment-prerequisites mentioned that it needs to be update to date to be supported if you are looking to do a express hybrid migration. Might be worth updating anyway just in case things do go down south and you need to call in Support