@bjash
Even if you cannot install the RemoteAgent, in order to connect to what it sees as a ServerOS, BackupExec requires a RA serial to be installed on the media server. Then create a User Defined Share using eith\er the IP or NAS Name, and backup using that
@Aparnaa
Are you using the same selection list in two different jobs? May sound like Voodoo tech support, but try recreating both the list and both jobs/