Adprep was unable to create the log file %1. Status/Consequence Adprep has stopped without making changes. Adprep uses the ...

Adprep was unable to create the log file %1.
[Status/Consequence]
Adprep has stopped without making changes. Adprep uses the log file, created in the %2 directory, to write out status and error messages during the preparation of the domain or forest.
[User Action]
Verify that your logon ID has write permissions to this directory and change the permissions as appropriate.