The file exists…. no, but really the Restore failed

If you try to restore an SSAS 2008 .abf backup file to an SSAS 2005 instance, you will get the error

TITLE: Microsoft SQL Server Management Studio

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The following system error occurred:  The file exists. . (Microsoft SQL Server 2005 Analysis Services)

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BUTTONS:

OK

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The solution:

1. Restore to SSAS 2008 instead. You’ve probably got the wrong version