VOX

[4844] 12/07/12 21:28:48.384 DeviceIo Discovery - start [4212] 12/07/12 21:30:20.790 Adamm Log Stopped!   DeviceIo isn't finishing. Please list all devices attach to this system. Systematically disconnect each device from the backup server until the...

Lets cut straight to the chase here.   Post your adamm.log from \program files\symantec\backup exec\logs.    

For future reference, we want to make sure that the BHD and BIN files are kept away from anti-virus scans and hard drive indexing software. This and sticky fingers deleting files can cause the Deduplication Engine from starting up correctly.  

create a tech support case and PM me the case number.