For this particular issue we had to create a work around to deliver the Sysprep.inf file to the machines.
We disabled the option within the distribute disk image job for the Sysprep and then added a run script task after the imaging job to firm copy down their specific sysprep.inf file. We used token replacement within the job to get the proper name in the sysprep.inf file.
REM Token Replacement Task for Sysprep.inf file
REM ReplaceTokens .\sysprep\sysprep.inf .\temp\%ID%.inf
.\rdeploy\windows\Firm Copy .\temp\%ID%.inf PROD:\sysprep\sysprep.inf
DS 6.9 all versions