netbackup unable to resolve hostname.....

Netbackup 7.5.0.7

Windows Server 2008 R2 with SP1 x64

I'm only backing up VM's that are connected to my vCenter server which Netbackup has complete access too.

Full error found in Reports-->Problems

"netbackup unable to resolve hostname <host>, no hostname alias added to pem name manager."

Started seeing this about two weeks ago.. Not sure if  7.5.0.7 is the cause because I dont remember seeing it with version  7.5.0.6.

Been searching the forums, and google and the manual.. Not seeing a solution to this issue. Been looking in logs, and looking at the nbpem log.. Not really seeing anything in there that makes any sense...

Can anyone help resolve? Thanks!