Acronis Backup 10 - backup files not auto deleting or overwritting

We have Acronis Backup & Recovery 10 (build - Windows 2003 Sp2.
We have set out full backup's to overwrite to save space every week - but they are not auto-deleting.
We have selected the "Overwrite data on tape without prompting for user confirmation". There are no errors in the log showing space problems etc. There is ample room on the backup device.
What are we missing ?
The files just keep adding up.
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Are you trying to do an incremental backup or a full backup every day?
Do you run a weekly/monthly backup that is stored for a length of time then deleted or over written?
At present are you being prompted for a new tape as the limit has been exceeded?


keystonetechAuthor Commented:
Trying to do Full Backup
No we always want it over written every week saturday.
No tape - this is on a USB hdd.

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