CopyProfile does not process and causes Windows could not parse or process the Unattend answer file for the pass [Specialize]
The following error appears if CopyProfile setting is set to true configured in the unattend.xml file.
Windows could not parse or process the Unattend answer file for the pass [Specialize]. The settings in the answer file cannot be applied. The error was detected while processing settings for component [Microsoft-Windows-Shell-Setup]
Solutions was to delete any users from the following location in the registry that do not exist anymore
After doing that you should be able to sysprep the gold image correctly.