Wednesday, June 6, 2012

The requested media failed to mount. The operation was aborted.

Your Windows Server 2003, Small Business Server Backup fails with the error: “The requested media failed to mount. The operation was aborted.”

When you investigate the log you see that the tape mounted fine and a good portion of the backup completed successfully but then you see the above message and right after that “The operation was ended” and further down  “The operation did not successfully complete.”
The error message is not very telling – the most likely cause of your trouble is that there is not enough space on the tape anymore and that is why the backup is failing. You can take one or more of the following actions:
  1. Clean up – remove from the disk all the files and folders that are not needed anymore;
  2. Go to the backup configuration and exclude folders that might not need to be backed up;
  3. Get higher capacity tapes

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