Symantec Endpoint Protection Manager (SEPM) migration process failed during database upgrade. Log showed the failure occurred during the Symantec Endpoint Protection (SEP) client package insertion into the database.
"Content is not allowed in prolog"
MAC OS X creates .DS_Store files for OS X Finder's use. When browsing network shares, Finder will leave .DS_Srore files on the network share to utilize as a cache of the folder's contents. The .DS_Store files being in the installation and tomcat/packages directories caused the conflict.