Migrating BES to New Domain/Exc Org on Same Hardware
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Hope you can help? I had a look at the knife edge and phased migration threads but couldn't find an answer for my specific question.
I am working on a Domain Migration project that may involve having to migrate the existing BES server to a new domain on the existing hardware.
I understand I cannot simply change the domain membership of my BES but wondered if you can clarify if I am correct in my understanding of the rest of the process?
I presume I will need to uninstall BES and the DB from the BES server, change the servers domain membership and reinstall and reconfigure BES using a new service account in the new domain/exc org?
Is uninstalling and re installing on the same hardware going to be problematic - ie will the uninstall leave traces that will cause problems on the re install?
If I can confirm that this might cause problems I may be able to get additional hardware in order to perform a phased migration (my preferred option), but at present I'm being accused of worrying about nothing.
Where you will be going to a new Exchange Org you will need to start from scratch. You will have to re-install the BES with a new DB and re-activate all the users.
If you were just adding a new domain then it wouldn't matter as long as permissions and trusts are configured properly between domains. A BES DB can only work in the Org it was installed in. There are no scripts or modifications that will make it work that I am aware of.
So create a new BESAdmin account, set Exchange and local permissions (local admin, etc.), install the Exchange System Manager and then the BES.