#MSExchange 2010 SP3 Released

Exchange 2010 SP3 is here. Woo-hoo! Oh wait, there’s some gotcha’s.  What do you need to know?

First, it doesn’t give you the ability to migrate from 2010 to 2013, yet.  It does support co-existence with Exchange 2013 CU1 (Cumulative Update).  You can test migrations with RTM in a lab setting but this is unsupported in production.

Second, once you move a mailbox database to an Exchange 2010 server with SP3 installed, you can no longer move it back to a pre-SP3 server.  There is an schema update to the database when it moves to a server with SP3.

Hope this helps people.  Please read the release docs before installing it.

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