Hello,
Kindly refer the following Documents:
Backup Exec 10.x for Windows Servers may fail when performing a catalog with the error "The requested media is not listed in the media index and could not be mounted. To add the media's catalog information to the disk-based catalogs, run an inventory operation on the media and resubmit the catalog operation".
http://support.veritas.com/docs/283356
When running a catalog, the following error is returned: "0xe0000900 - The requested media is not listed in the media index and could not be mounted. To add the media's catalog information to the disk-based catalogs, run an inventory operation on the media and resubmit the catalog operation."
http://support.veritas.com/docs/280017
Thank You,
Shweta