Microsoft KB Archive/242309

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CreateFile Does Not Function Correctly with Certain Flags and Nwredir

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Q242309

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The information in this article applies to:


 * Microsoft Windows 95
 * Microsoft Windows 98
 * Microsoft Windows 98 Second Edition

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SYMPTOMS
Creating a file on a NetWare server with Read/Write access may return a handle to a read-only file. The caller is unaware that the file is read-only because GENERIC_READ and GENERIC_WRITE were specified in the CreateFile call.

CAUSE
When CreateFile is called, a read-only file can be opened even thought the GENERIC_READ and GENERIC_WRITE flags were specified by the caller. The problem occurs when you create a file with a long file name on a NetWare server by using Nwredir. The problem occurs in the bindery client as well as Services for NetWare Directory Services.

WORKAROUND
If you call CreateFile(..., GENERIC_READ, ...), this issue is likely to occur. If it succeeds, you can then close the returned handle and call CreateFile(..., GENERIC_READ | GENERIC_WRITE, ...) as normal.

STATUS
Microsoft has confirmed this to be a problem in the Microsoft products that are listed at the beginning of this article.

Additional query words:

Keywords : kbprogramming osr2 win95 win98 win98se

Issue type : kbprb

Technology : kbWin95search kbWin98search kbWin98SEsearch kbWin95 kbWin98 kbWin98SE