Backup Exec was unable to initialize and communicate with the device \\.\Tape0 [HP Ultrium 4-SCSI U64D] (Access is denied.)

Hi All,

i installed a backup exec 2012 on Windows 2008 R2 and i have the below error message

Backup Exec was unable to initialize and communicate with the device \\.\Tape0 [HP      Ultrium 4-SCSI  U64D] (Access is denied.)

any Idea

Thanks

Dimitris