Re: IoGetDeviceObjectPointer function returns Access denied in XP

From: “Peter Viscarola”

>Reply-To: “Windows System Software Developers Interest List”
>To: “Windows System Software Developers Interest List”
>Subject: [ntdev] Re: IoGetDeviceObjectPointer function returns Access denied in XP
>Date: Mon, 21 Jul 2003 10:38:26 -0400
>
>“Hems” wrote in message news:xxxxx@ntdev…
> >
> > Am trying to get Device Object using IoGetDeviceObjectPointer function,
> > its returning Access denied in XP but same code is working fine with
> > Win2K.
> >
>
>Remember: All IoGetDeviceObjectPointer does is issue an “open”
>(IRP_MJ_CREATE) to the device object you specify.
>
>Lots of security was tightened up in XP, XP SP1, and Win2K3. Check the
>protection on the device object using a utility such as OSR’s GUI Obj Dir
>(which you can download for free at
>http://www.osronline.com/article.cfm?id=42) .
>
>Peter
>OSR
>
>
>
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