Symantec - Backup Exec 12.5 No Appendable Media Could be Mounted

Environment

• Symantec Backup Exec 12.5

Introduction
Back up fails, get these errors

Solutions
Set the "When this job begins" to be

Append to media, overwrite if no appendable media is available

References

• No appendable media could be mounted
• V-79-57344-33037 - Error - Mount failed
• Physical Volume Library Media not found