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The following board is showing only 409 seconds (or 3,272 Kb/3.272 Mb) of storage remaining, when in fact almost 5 Mb of storage is taken up by redundant files.
Redundant files are files on the boards that are not configured to an Announcement extension and are therefore not being used.
By deleting the redundant files, the customer can remove the need to purchase additional hardware.
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In fact, there is only 403 Kb difference, indicating that the audio group configuration is close, but not quite perfect.
The Audio Group report, found under Configuration Management, will confirm if audio group configuration is indeed the issue.