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DNS and DC PRomo

Posted on 2011-02-24
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Last Modified: 2012-05-11

DONE:
ADPREP  2003 Server ( to add Windows 2008-specific attributes to the schema)
Promote the 2008 Server as an additional Domain Controller
Migrate existing application specific  file data (XCOPY,  including  file date stamps )
Transition  FSMO roles  from old 2003 server (SERVER01) to new 2008 server (HSDCFS1)

TO DO:
Update existing server to verify new DNS information.  ( HOW?  a little help here)

DCPROMO SERVER01 to HSDCFS1  (HOW ? . I thought this was completed earlier (see above)


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Question by:atredo
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Expert Comment

by:kabirhussein
ID: 34972160
Not sure what you mean??

Update existing server to verify new DNS information.  ( HOW?  a little help here)

Also is  SERVER01  a DC currently or you want to promote it to a DC
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Expert Comment

by:Darius Ghassem
ID: 34972458
Here is a guide to adprep  
http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/Windows_Server_2008/A_3644-Windows-2008-Server-R2-adprep-adprep32.html

Here is a full guide to move to 2008 server. Step by Step

http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/Windows_Server_2008/Q_23665224.html

First run dcdiag to check for any errors before proceeding.

If you are clean in dcdiag then you need to change your TCP\IP settings to point new server to itself for DNS as primary.

Run ipconfig /flushdns, ipconfig /registerdns, and dcdiag /fix.

Run dcdiag again check for any errors if none you can proceed with demotion by running dcpromo on hold server
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Author Comment

by:atredo
ID: 34977091
confused.

Server01 was the old DC.
I ran DCPROMO to add the new 2008 server as a dc.
I then moved the FSMO roles to the 2008 server.

Is there anotherDCPROMO stepbefore I to prepare the old DC for shutdown
Do I just demote it ?  

Thank you
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Expert Comment

by:Darius Ghassem
ID: 34979585
To demote the old DC you must run dcpromo to demote the DC
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Expert Comment

by:kabirhussein
ID: 34980112
I would suggest at 1st..unplug the Server and leave off for 5 days..just incase you see any issues...any permissions problem..if all good after grace period..go ahead with the DCPROMO to demote...
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Accepted Solution

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Darius Ghassem earned 500 total points
ID: 34980125
I wouldn't unplug you can cause replication error, etc.

I would run dcdiag to check health of domain if all passes you can the proceed with demote
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