ADprep Error--server 2000 to server 2003 R2

I have a single server windows 2000 domain that I am trying to upgrade to Windows server 2003 R2.  The 2000 server has service pack 4 and I am using the and account that has schema administrator access.  When I run adrep /forestprep, I receive an error message:

Adprep was unable to complete because the call back function (null) failed.
Error message: CSV file C:\WINNT\system32\debug\adprep\data\dcpromo.csv did not
have all locales necessary.  (0x80004005).
[User Action]
Check the log file Adprep.log, in the C:\WINNT\system32\debug\adprep\logs\200802
03201618 directory for more information.

Adprep was unable to update forest-wide information.
Adprep requires access to existing forest-wide information from the schema master in order to complete this operation.
[User Action]
Check the log file, Adprep.log, in the C:\WINNT\system32\debug\adprep\logs\20080203201618 directory for more information.

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Looks like you get an access denied.
Do you have read/write access to the C:\WINNT\system32\debug\adprep\data folder?
Have you done a reboot and tried again?
I it the administrator account you are trying with?
Can you confirm that the DC has all FSMO roles?
Brian PiercePhotographerCommented:
Are you running Adprep on the Win2000 DC from \CMPNENTS\R2\ folder on CD2 of the Win2003 R2 disks? - If not you should be.

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zenithzoyAuthor Commented:
Thanks a bunch.  I guess a little bit of common sense would have allowed for a faster resolution.  
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