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Exchange 2003: Change Recipient Update Service Domain Controller

We have a single forest/single domain and are in the process of decommisioning a 2003 domain controller that both the Exchange 2003 Enterprise and Domain Recipient Update Services are pointing to.  We would like to repoint the Recipient Update Services to a 2008 R2 domain controller.  Is there anything to keep an eye out for or any gotchas when performing this change?  Thanks.
Active DirectoryExchangeWindows Server 2008

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Manpreet SIngh Khatra

8/22/2022 - Mon
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Amit

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Stelian Stan

Make sure you have a good backup before doing this. There are no gotchas but you have to be very careful because you have to do this using ADSi Edit: http://social.technet.microsoft.com/Forums/en-US/exchangesvradminlegacy/thread/23782bd7-9a92-452b-b327-41809bbc4dbf
Amit

clonyxlro: It can be done via ESM itself. I don't think ADSIEdit is required here.
bsohn417

ASKER
The DC RUS is currently pointing to and the DC it will be changed to are both up and running.
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Amit

Just change it, nothing to worry.
Stelian Stan

That's correct.
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Manpreet SIngh Khatra

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Amit

Good Call Rancy regarding FSMO. Also make sure 2008 DC is also a GC.
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bsohn417

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We haven't moved the FSMO roles yet but are planning to before decommisioning the DC.  FSMOs are not relevant for changing the DC the RUS's are pointing to, right?  All the DCs in the forest are GCs.
Amit

Yes that is correct, FSMO roles has no relation with RU's.
Manpreet SIngh Khatra

Yes FSMO roles dont have a call with RUS but just ensuring we try to cover the point and as said if RUS is repointed and all is working i guess the Post can be resolved and if you have other doubts you can call another post :)

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