Backup fails, reporting "A fixed drive is not a valid drive."

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Cause:  A timeout occurred while writing the backup file to the destination.

Solutions:

  • If you are backing up to a network share, ensure the UNC path you are backing up to is always accessible.
  • Ensure the drivers for the media of the backup destination are up to date. Contact the manufacturer for information about updating your drivers.
  • Ensure there is no excessive activity on the device you are backing up to.

Cause:  The drive you are backing up to is low on disk space.

Solution:  Ensure the disk to which you are backing up has adequate disk space to hold the backup.