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Merge two forests

Sunday, October 19, 2008 2:10 PM

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Hi All,

My company has two forests (AD 2003) and each forest has their exchange server 2003.

one is a parent company ~ parentdomain.com

one is a subsidiary ~ subsidiarydomain.com

Management would like to merge them to one forest. My idea is that creates one sub domain (subdomain.com) under parentdomain.com and use ADMT to move account of subsidiarydomain.com to subdomain.com.

I have two questions:

1. Does any more simple method to merge them?

e.g. Can I create one new domain and joined these two domains (parentdomain.com & subsidiarydomain.com) as a sub domains?

2. How can I move the mailbox between two forest?

Thank you.
Ray
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Monday, October 20, 2008 6:07 AM

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Hi,

Besides for ADMT, you can also consider using RenDom.exe to restructure a forest.

For more information, please visit:

Windows 2003 domain rename tools

http://technet.microsoft.com/en-us/windowsserver/bb405948.aspx

Error messages encountered on renaming domain -

http://support.microsoft.com/kb/891370

Webcasts on domain rename

http://support.microsoft.com/kb/819145/

What is domain rename -

http://technet2.microsoft.com/windowsserver/en/library/996741d8-28e4-4d20-9949-8f17fb9d3cfd1033.mspx?mfr=true

How domain rename works -

http://technet2.microsoft.com/windowsserver/en/library/4d0c3b6e-e6f5-4ab3-9d81-106ae3a715491033.mspx?mfr=true

For exchange related issue, please post in the following forum, whose engineers specialize in Exchange technology and will assist you more efficiently.

http://forums.microsoft.com/TechNet/default.aspx?ForumGroupID=235&SiteID=17
- Marked As Answer by Morgan Che [MSFT]Moderator Friday, October 24, 2008 6:10 AM
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Monday, October 20, 2008 6:07 AM

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Hi,

Besides for ADMT, you can also consider using RenDom.exe to restructure a forest.

For more information, please visit:

Windows 2003 domain rename tools

http://technet.microsoft.com/en-us/windowsserver/bb405948.aspx

Error messages encountered on renaming domain -

http://support.microsoft.com/kb/891370

Webcasts on domain rename

http://support.microsoft.com/kb/819145/

What is domain rename -

http://technet2.microsoft.com/windowsserver/en/library/996741d8-28e4-4d20-9949-8f17fb9d3cfd1033.mspx?mfr=true

How domain rename works -

http://technet2.microsoft.com/windowsserver/en/library/4d0c3b6e-e6f5-4ab3-9d81-106ae3a715491033.mspx?mfr=true

For exchange related issue, please post in the following forum, whose engineers specialize in Exchange technology and will assist you more efficiently.

http://forums.microsoft.com/TechNet/default.aspx?ForumGroupID=235&SiteID=17
- Marked As Answer by Morgan Che [MSFT]Moderator Friday, October 24, 2008 6:10 AM
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Tuesday, October 21, 2008 4:21 PM

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Hi,

Thank you very much.

BR
Ray
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