The physical file "C:/AA. MDF" cannot be opened ". Operating System Error 5: "5 (Access denied .)".

This error was reported when I used sql2005 to attach a database today...

Itle: Microsoft SQL Server Management studio Express
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An error occurred while appending the database. For more information, click the hyperlink in the message column.

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Buttons:

OK
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Title: Microsoft SQL Server Management studio Express
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An error occurred while attaching the database to the server "myhfut/sqlexpress. (Microsoft. sqlserver. Express. SMO)

For help, click: http://go.microsoft.com/fwlink? Prodname = Microsoft + SQL + server & prodver = 9.00.2047.00 & evtsrc = Microsoft. sqlserver. Management. SMO. exceptiontemplates. failedoperationexceptiontext & evtid = additional database + server & linkid = 20476

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Additional information:

An exception occurred when executing a Transact-SQL statement or batch processing. (Microsoft. sqlserver. Express. connectioninfo)

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The physical file "C/AA. MDF" cannot be opened ". Operating System Error 5: "5 (Access denied .) ". (Microsoft SQL Server, error: 5120)

For help, click: http://go.microsoft.com/fwlink? Prodname = Microsoft + SQL + server & prodver = 09.00.2047 & evtsrc = MSSQLServer & evtid = 5120 & linkid = 20476

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Buttons:

OK
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Solution:

Re-connect to the database without adding SA users. Select windows integration verification mode. OK