Access denied - Delete Files BEdata Backup Exec "Drive disk out of space"

 Choose menu 
- Configuration and Settings
- Backup Exec settings
- Network & security
- "Disable" Lockdown status
Then appear windows permission and password include reason "why disable"

- Then click OK.

- then Files in Directory BEdata can removed

Dont forget to set back (enable) lockdown status again.

And enjoy your backup exec :D