Beside these two mentioned good troubleshooting documents (I'm sure there are more documents that are worth mentioning, but space is limited, and I want to share my findings with you), there are some more common errors to add.
Deployment stop during applying patches offline
During deployment task sequence at the Apply patches / Install Updates offline step, installation is failing and you get error message and deployment stops.
Possible solution: Some patches/hotfixes cannot be applied offline due to pending file actions. Identify the blocking patch by reviewing
CBS.log. Select/review first patch with error, as other error messages could be after effects. After applying such a pending action patch, following installations of patches can be prevented until the system is booted once.
To avoid this scenario, a
/PreventPending option was introduced to
DISM.exe to skip the installation of the package if the package or Windows image has pending online...