FIX: Zw Calls Fail If KeyFullInformation Is a Parameter

• Microsoft Win32 Device Driver Kit (DDK) for Windows NT, version 3.1

SYMPTOMS

A return code of an invalid parameter is the result if you call any of the Zw calls from a kernel-mode driver using KeyFullInformation as the IN KEY_INFORMATION_CLASS parameter.

The Zw calls are responsible for registry manipulation and include:

• ZwEnumerateKey



• ZwEnumerateValueKey



• ZwQueryKey

STATUS

Microsoft has confirmed this to be a bug in the Microsoft product listed at the beginning of this article. This problem was corrected in the DDK for Windows NT version 3.50.

Additional query words: 3.10 DDK registry kernel-mode buglist3.10 fixlist3.50

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Last Reviewed: March 1, 1999