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paulfoel
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Exchange 2007 to 2013 - new servers and migrating users

Current setup is

One Exchange 2007 physical machine. Only 400 users - amount of data approx 500Gb.

My client wants to upgrade to 2013 and have redundancy (sticking with physical). I was thinking two mailbox/CAS servers with DB copy on each.

The way I see it:-
1. Build two new Windows servers.
2. Install Exchange 2013 on both and create DAG (Can I do this with 2 or do I need an additional file share witness?)
3. Set up, 5 DBs replicated on each other.
4. Link in old 2007 system into DAG.
5. Migrate mailboxes.

Client has asked if it can be done in 5-6 weeks. Seems reasonable to me?

Any comments?
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Ajit Singh

8/22/2022 - Mon
Patrick Bogers

Hi

Can be done...
Yes you need a witness but that can be any Windows server with a file share.

What do mean by link into old dag? You cannot hooK 2007 into a 2013 DAG.
Just create the DAG and move the boxes.

Cheers
paulfoel

ASKER
OK. I see.

We did similar on our main domain. Had 2007 servers (still have) and installed new 2013 servers. You could see all servers in 2013 console.

This is a different domain. So are you saying you dont need to add anything - that exchange 2013 will see the old 2007 server?
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