BUG: VDDInstallMemoryHook Fails on Non-x86 Platforms

Last reviewed: August 21, 1995
Article ID: Q135305

The information in this article applies to:

Microsoft Win32 Device Driver Kit (DDK) version 3.51

SYMPTOMS

When you use a Virtual Device Driver (VDD) on non-x86 platforms (Alpha, MIPS, and so on), the call to VDDInstallMemoryHook always returns FALSE and indicates the status of ERROR_ACCESS_DENIED.

RESOLUTION

VDDs using this API will not work correctly on non-x86 platforms. The only option is to eliminate the VDD and 16-bit application by creating a Win32 application and kernel-mode driver pair.

STATUS

Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

Additional reference words: 3.50 ntddk vdd
KBCategory: kbprg kbbuglist
KBSubcategory: ntddkvdd

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Last reviewed: August 21, 1995
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