Adprep completed with errors. Not all partitions are updated. See the ADPrep.log in the %1 directory for more information. ...

Adprep completed with errors. Not all partitions are updated. See the ADPrep.log in the %1 directory for more information.

To successfully update all partititions, the current logged on user needs to be a member of Enterprise Admins group.  If that is not the case, please correct the problem, and then restart Adprep.