Adprep /forestprep fails 2003 > 2008 Domain Upgrade

KB ID 0000026 


While attempting to upgrage a domain to Windows 2008 (schema version 44) you get an error like this..

Error message: Error(110) while running ""C:WINDOWSsystem32LDIFde.exe" -o Obj
ectGuid -d "CN=nTFRSSubscriber-Display,CN=404,CN=DisplaySpecifiers,CN=Configurat
ion,DC=DOMAIN,DC=local" -u -f "C:DOCUME~1ADMINI~1LOCALS~1TempTMP9791.tmp" -j
"C:WINDOWSdebugadpreplogs20090325153712" -s servername.DOMAIN.local". Cou
ld not move file C:WINDOWSdebugadpreplogs20090325153712LDIF.err to C:WIND
OWSdebugadpreplogs20090325153712DisplaySpecifierUpgradeLdifError.001.txt. T
he system cannot find the file specified.
[User Action]
Check the log file ADPrep.log, in the C:WINDOWSdebugadpreplogs2009032515371
2 directory for more information.

Adprep was unable to update forest information. [Status/Consequence] Adprep requires access to existing forest-wide information from the schema maste r in order to complete this operation. [User Action] Check the log file, ADPrep.log, in the C:WINDOWSdebugadpreplogs200903251537 12 directory for more information.


1. Start > Run > services.msc {enter}

2. Locate all the McAfee services and stop them.

3. Rerun adprep /forestprep

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Author: Migrated

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