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what order uninstall ADI DNS and demote DC

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jremmc

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Oct 9, 2008, 4:30:01 PM10/9/08
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Conflicting answers when googling. On a DC with AD Integrated DNS that I want
to demote, do I demote DC first then uninstall DNS, or do I uninstall DNS
then demote DC. All fsmo roles have been moved to among 2 other DCs, thse 2
DCs are also running AD Integrated DNS, and the server is no longer a gc or
pointing to self for DNS.

It's the AD Integration factor I am concerned about. I want absolutely no
chance that DNS removal on this server will affect DNS on the other DCs.
(Been there.)

Thanks,
jremmc

Meinolf Weber

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Oct 9, 2008, 4:43:30 PM10/9/08
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Hello jremmc,

Have a look here:
http://technet.microsoft.com/en-us/library/cc755937.aspx

http://www.pbbergs.com/windows/articles/DecommissionDC.html

Best regards

Meinolf Weber
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jremmc

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Oct 9, 2008, 8:56:01 PM10/9/08
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Thanks, Meinolf, but the issue is whether to uninstall DNS before or after DC
demotion when the server is hosting AD-Integrated DNS. All decommission steps
have been taken. I'm concerned that uninstalling DNS when the server hosts
ADI zones will mess up other DCs ADI DNS. But I'm also concerned that I read
in some places to uninstall DNS first before executing a DC demotion.

jremmc

David Shen [MSFT]

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Oct 10, 2008, 3:19:46 AM10/10/08
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Hi Jremmc,

Thanks for posting here.

Concerning about the DNS server, in the demotion process of DC, it will
automatically remove the corresponding SRV records of the domain in the
Active Directory Integrated Zone on all the DNS servers. Because there are
some other application may be depends on the DNS service in the
environment, we would like to suggest that you may demote the DC , and then
you may uninstall the DNS server.

Hope it helps.

David Shen
Microsoft Online Partner Support

jremmc

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Oct 13, 2008, 1:02:01 PM10/13/08
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Hi David,

Thanks, that worked great.

jremmc

David Shen [MSFT]

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Oct 14, 2008, 6:37:52 AM10/14/08
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Hi Jremmc,

I am glad that the information is helpful. If you have any other question,
please welcome to the newsgroup again.

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