So You Want to Upgrade to Windows 2008 Domain Controllers (ADPREP)

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Wed, 12 Nov 2008 01:55:03 GMT

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re: So You Want to Upgrade to Windows 2008 Domain Controllers (ADPREP)

murrato1 — Thu, 13 Nov 2008 05:14:23 GMT

The stated requirement for running adprep /domainprep is not correct:

"Be at Windows Server 2003 Native Mode Domain Functional level."

This should be:

Be at Windows Server 2000 Native Mode Domain Functional level.

Tony

re: So You Want to Upgrade to Windows 2008 Domain Controllers (ADPREP)

Craig — Thu, 13 Nov 2008 23:29:50 GMT

Thanks Tony, correction has been made.

Craig

Troubleshooting ADPREP Errors

Ask the Directory Services Team — Mon, 15 Dec 2008 22:46:02 GMT

Hi all, Rob Newhouse again, and today I am talking about errors that you may see while running ADPREP.

re: So You Want to Upgrade to Windows 2008 Domain Controllers (ADPREP)

hvdijk@entris.nl — Thu, 22 Jan 2009 18:05:53 GMT

Hello, can anyone help me please with the following. I'm really, really stuck.

On the DC with all 5 FSMO-roles, and being Administrator (Schema, Enterprise en Domain Admin) I run the adprep /forestprep of the W2008-CD (tried x86 and x64), which get stuck on Sch32.ldf (the first he has to run). The error is "Schema update failed: attribute in may-contain does not exist.""The created log file says this too: "Add error on line 217: Unwilling To Perform".

I hope someone has an idea about his...

Thank you in advance!

Kind regards,

Hans van Dijk

re: So You Want to Upgrade to Windows 2008 Domain Controllers (ADPREP)

NedPyle — Thu, 22 Jan 2009 19:11:39 GMT

That error will occur when you schema has been incorrectly extended by a 3rd party (and I include one MS add-on component here as 3rd party - the Service For Unix schema extensions). The action to be taken depends very much on which specific attribute it is complaining about in your logs - is that mentioned?

For an issue like this, I would *HIGHLY* recommend you open a support case with us unless the attribute in question is documented on support.microsoft.com (we document how to fix SFU and Cisco Call manager only). It is very easy to make things much worse or simply not be able to resolve this issue without some assistance from us.