Microsoft KB Archive/141538

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PRB: ERROR_VOLUME_EXISTS Defined Incorrectly in DDK Error.h

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Q141538

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The information in this article applies to:


 * Microsoft Win32 Device Driver Kit (DDK) Windows 95

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SUMMARY
ERROR_VOLUME_EXISTS as defined in the Error.h file shipped with the Windows 95 DDK is defined as 606h. The value of ERROR_VOLUME_EXISTS used internally by Windows 95 (IFSMGR and the FSDs shipped with the product) is 284h. As a result, IFSMGR will reject the remount request and force a new mount if FSDs for removeable media return ERROR_VOLUME_EXISTS.

RESOLUTION
There is an alternative in Ifs.h called IFSERR_VOLUME_EXISTS, which has the value 284h. This alternative correctly matches the value of ERROR_VOLUME_EXISTS used by the Windows 95 retail binaries, so you can use it instead of ERROR_VOLUME_EXISTS.

Additional query words: 4.00

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Technology : kbAudDeveloper kbWin95search kbWinDDKSearch kbWin32sSearch kbWin32DDK95 kbWin32DDKSearch