Error : Windows Could not parse or process unattend answer file [C:\Windows\Panther\unattend.xml] for pass [Specialize].
A componenet or non-list setting is specified more than once in the answer file.
Build Error
Issue : During server Build You may get above error for various reasons. But in our build there was a issue with faulty NIC.
Resolution :
After verifying build log and Unattend.xml file we came to know that there was problem with NIC,
On server two NIC’s were having same MAC address that was causing the build failure.
Build Log
After replacing the NIC card we were able to complete the build with no issues.
Technical Blog... 