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Editorial Team
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Asked: 2026-05-27T11:41:18+00:00

We have an MFC application that handles data with either MS-Access, Oracle or SQL-Server.

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We have an MFC application that handles data with either MS-Access, Oracle or SQL-Server.
For a specific treatment, we have to use database transactions.

On Oracle or SQL-Server, everything is ok, but in MS-Access, we get the “File sharing lock count exceeded. Increase MaxLocksPerFile registry entry.” message, as described here http://support.microsoft.com/kb/815281

The question is what is the maximum coherent value that I can put there?
I was thinking about setting this value programatically at the appplication statup…

Thanks

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1 Answer

  1. Editorial Team

    After doing some research, I didn’t see any article mentioning a maximum value.
    Theoretically, the value being a DWORD, we could put up to FFFFFFFF (hex) or 4294967295 (decimal), but I’m not sure if it’s a coherent value.

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