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How much time to wait after ADPREP to upgrade server

Posted on 2005-03-21
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Last Modified: 2006-11-17
I have 4 DC's in one domain all running 2000 server. I'd like to prepare for them to be upgraded to 2003 server.

1- Can I run the adprep /forestprep and adprep /domainprep and then wait a few days before actually upgrading the servers to 20003? If so, are there any issues with doing this?

2-Two of the DC's are in remote offices, will there be any issues if I upgrade the 2 local one's and leave the the other two running 2000 server for the time being?

3- How long does the adprep process take and does it require rebooting (or in other words- do I need to do this off-hours or on a weekend)?
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Question by:FreemanWhite
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amiurchaudry earned 2000 total points
ID: 13598146
1.   Yes, you can.  None that I have ever come across.
2.   Again, yes you can.  You just will not be able to switch to Windows-2003 Native mode.
3.   Time varies.  It seems to be about one 40-60 minutes for most of the systems I have done.  A reboot is not required but because of the potential for problems due to a failure, I would not do this during standard hours.

See the link below for a listing of the considerations involved.

http://www.windowsnetworking.com/articles_tutorials/Upgrading-Windows-NT-2000-Windows-2003-Part1.html

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by:FreemanWhite
ID: 13600330
Thank you for your quick answers and help.
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