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Transfer Exchange 2010 server to different domain

Hi

Bit of an odd one.

I have an existing domain which consists of a Server 2008 R2 domain controller and an Exchange 2010 Standard server.

This customer is moving offices and i have setup a new network with a new Server 2008 R2 domain controller.  The domain name is the same as the old one as are a lot of the users.

The reason i did it like this is because both sites needed to be up and running for a period of time.

The new site has been connecting to the Exchange server on the old site using rpc over http.  This has been working fine but Site A is about to fully close and i need to move the email server to the new site.

How do i go about doing this?

My concerns are that the exchange mailboxes will need relinking to the new ad users.

thanks
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timb551
Asked:
timb551
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1 Solution
 
AmitIT ArchitectCommented:
If you are using same domain name, better idea might be to create a new site in AD, promote new dc and let it replicate the data from the old site. Next setup new Exchange server in new site within same domain and then move the mailboxes to new exchange or you can shutdown this server and take it to new site, rename the ip and power it on.

Do you have time to do above steps?

Or else you need to do cross forest move. Steps are here
http://blogs.technet.com/b/exchange/archive/2010/08/10/3410619.aspx
http://www.shudnow.net/2009/06/09/cross-forest-mailbox-move-changes-in-exchange-2010/

Or if that is difficult, you can look for 3rd party tool like quest

http://www.quest.com/exchange-uc/migrations-and-consolidations.aspx

hope this helps
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timb551Author Commented:
Ill read through that lot tomorrow, thanks.  i have a weekend to do it but i need to use the same server.
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
This customer is moving offices and i have setup a new network with a new Server 2008 R2 domain controller.  The domain name is the same as the old one as are a lot of the users - Do you mean to say that the second site DC is a Part of the Original Domain ?

The new site has been connecting to the Exchange server on the old site using rpc over http.  This has been working fine but Site A is about to fully close and i need to move the email server to the new site - Simple install Exchange 2010 in the new site and then Move Mailboxes across.

If they all are in the same AD and Exchange forest ... its going to be a very simple Migration within Forest and it simply requires you to Install another Exchange and move mailboxes and point all Connectors and stuff to the new server.

The article is about E2k7 to E2k10 but the concept will be the same
Migrating from Exchange 2007 to Exchange 2010
http://www.networkworld.com/community/node/47778

Move exchange 2010 to new hardware with different server name
http://social.technet.microsoft.com/Forums/en-NZ/exchange2010/thread/900d4d08-c81c-4dd8-adf0-14feb3f49aa1

Exchange 2010 move to new Exchange 2010
http://forums.msexchange.org/m_1800542868/mpage_1/key_/tm.htm

Wont load you will a flury of articles as you can find many on the internet :)

- Rancy
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timb551Author Commented:
So if i setup a new exchange server is the new domain, do i then join the old exchange server to the new domain as well?
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AmitIT ArchitectCommented:
Joining Exchange to new domain wont't work. You need to perform cross forest migration.
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
No .... they can remain in their respective domains, but hope its the same AD forest ?

- Rancy
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timb551Author Commented:
Let me start again so that i don't give any misleading information.

I have two separate domains on separate sites but running the same internal domain name and running individual DC's.

Site A is an old site which is being decommissioned.

Site B is a new site.

The current situation is that Site B is running on the own new domain controller but connection over the internet using a secure cert to the exchange 2010 server running on site A.

In the near future Site A needs to shut and as such the mail server will need to be moved to Site B.

I dont have a spare server so am not sure how best to go about undertaking this move.

I could potentially rebuild Site A old DC to a new exchange server for Site B but am nervous about doing that without a decent understanding of how to migrate.

thanks
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
So as i understand we have SiteA with DC&Exchange2010 (Old and waiting for removal) .... we have a new SiteB which has a DC\GC in place already we now need to plan to get a new Exchange 2010 and move everything over to prepare for SiteA removal :) ....... am i right :)

- Rancy
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timb551Author Commented:
Yes Rancy.
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timb551Author Commented:
Hi Rancy

Any advice following the confirmation of details?

thanks
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
So hardly matters if its one site or different we need to ensure all Exchange stuff is moved and the articles i shared earlier are a base step which tell what all to take care when moving from one E2k10 server to another.

I know it E2k7 to E2k10 but the concept and things to check are pretty similar.

One more IMP thing once you ensure all is moved and before you can say or think your ready to decom the old server ShutDown the server for a week and ensure no issues or complains as if there are you can bring the server up and try to fix it without major issues

- Rancy
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timb551Author Commented:
HI Rancy

Sorry to drag this up but i have been avoiding doing it, as in all honesty in dreading it.

Just so i understand, i need to get a new server from somewhere to create a new exchange server in the new domain to then be able to transfer the old exchange mailboxes etc to it.

I can then rebuild the old exchange server and join it to the new domain and transfer everything back?

Tim
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
So when we have a server on which we can have Exchange 2010 on SiteB and as we say we can transfer and move everything across why do you want to rebuild the Old server and migrate back ?

- Rancy
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timb551Author Commented:
I don't have a decent server to keep exchange running on so would have to built up an older server in the new domain.  Transfer across exchange, then rebuild the nice server and transfer back???
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timb551Author Commented:
Hi Rancy
Can you please do me a favour and put the steps in a list that i need to follow please baring in mind i need to build up a new server and then rebuild the old one to become the even newer one if you see what i mean.

thanks
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timb551Author Commented:
Is there an option open to me if i use backup exec to backup the whole server.

Rebuild it into the new domain and then restore?

thanks
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
I guess what we can plan for is Migrating Exchange to a new Hardware as thats somewhat the scenario out here

http://demazter.wordpress.com/2010/02/09/migrate-to-exchange-20072010-on-same-hardware/

- Rancy
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timb551Author Commented:
Im wondering if the easiest thing, is to build up a new server on the network and then restore the exchange from the backup the night before?

Thoughts?
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
You can simply shutdown this server and remove it ...... then bring a new server install same Windows and SP and all the stuff ...... Give the same Name and reset the computer account in AD and join to domain ..... once done you can run /recoverserver

- Rancy
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
Were you able to get the Recoverserver and getup everything fine on this ?

- Rancy
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timb551Author Commented:
I wasnt no but i have just bought some software which can export a exchange db to pst files.

I can then build up a new exchange server and import using powershell into the new server.

I think that is a pretty low risk route for me to take.
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
Yes i would surely agree and a less time consuming way :)

- Rancy
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timb551Author Commented:
Due to the complexity and my lack of confidence with the Microsoft route i have purchased a product to allow easy migration. Thanks for your help in this matter though Rancy.
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