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I am working to perform a domain upgrade from 2000 to 2003 R2 and I am running into problems right from the start when attempting an ADPREP /FORESTPREP. The domain also has Exchange 2003 running as well. Also, we have never extended the schema with Services for Unix 2.0 which I know can create some issues as well.
I am currently working in a test environment in which we took a recent full tape backup of one of our domain controllers, and restored it in a separate network. As this is a test environment, this restored domain controller is the ONLY domain controller in existence and all FSMO roles have been transferred to it.
Here is the output from my ADPREP /FORESTPREP attempt. I’m looking for assistance on how to fix these schema attributes so the FORESTPREP will be successful. As I’m working in a test environment, I am afforded the ability to make the necessary changes and see what it breaks to determine what made these schema changes (if anything).
C:\WIN2K3R2\CMPNENTS\R2\ADPREP>adprep /forestprep
ADPREP WARNING:
Before running adprep, all Windows 2000 domain controllers in the forest should
be upgraded to Windows 2000 Service Pack 1 (SP1) with QFE 265089, or to Windows
2000 SP2 (or later).
QFE 265089 (included in Windows 2000 SP2 and later) is required to prevent poten
tial domain controller corruption.
For more information about preparing your forest and domain see KB article Q3311
61 at http://support.microsoft.com.
[User Action]
If ALL your existing Windows 2000 domain controllers meet this requirement, type
C and then press ENTER to continue. Otherwise, type any other key and press ENT
ER to quit.
c
=============================================================================
"attributeSyntax" attribute value for objects defined in Windows 2000 schema and
extended schema do not match.
A previous schema extension has defined the attribute value as "2.5.5.5" for obj
ect "CN=uid,CN=Schema,CN=Configuration,DC=appsig,DC=com" differently than the sc
hema extension needed for Windows 2003 server .
[Status/Consequence]
Adprep cannot extend your existing schema
[User Action]
Contact the vendor of the application that previously extended the schema to res
olve the inconsistency. Then run adprep again.
=============================================================================
"attributeId" attribute value for objects defined in Windows 2000 schema and ext
ended schema do not match.
A previous schema extension has defined the attribute value as "1.2.840.113556.1
.4.7000.233.28688.28684.8.192196.1165976.1266044.855334" for object "CN=roomNumb
er,CN=Schema,CN=Configuration,DC=appsig,DC=com" differently than the schema exte
nsion needed for Windows 2003 server .
[Status/Consequence]
Adprep cannot extend your existing schema
[User Action]
Contact the vendor of the application that previously extended the schema to res
olve the inconsistency. Then run adprep again.
=============================================================================
"isSingleValued" attribute value for objects defined in Windows 2000 schema and
extended schema do not match.
A previous schema extension has defined the attribute value as "TRUE" for object
"CN=roomNumber,CN=Schema,CN=Configuration,DC=appsig,DC=com" differently than th
e schema extension needed for Windows 2003 server .
[Status/Consequence]
Adprep cannot extend your existing schema
[User Action]
Contact the vendor of the application that previously extended the schema to res
olve the inconsistency. Then run adprep again.
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