Re: RegOpenKeyEx and QueryValueEx to get values from registry

Tech-Archive recommends: Fix windows errors by optimizing your registry

From: Tom Esh (tjeshGibberish_at_earthlink.net)
Date: 03/29/04 

Date: Mon, 29 Mar 2004 12:23:43 -0500

On Mon, 29 Mar 2004 05:26:51 -0800, "Rui Oliveira"
<anonymous@discussions.microsoft.com> wrote:

>I am using RegOpenKeyEx and QueryValueEx to get values
>from registry.
>
>The problem is that, this only works for users the local
>administrator rights. When I tried with an user with
>just 'Users group' or 'Power Users group' rights, the
>QueryValueEx functions returns an empty value.

>...
>lRetVal = RegOpenKeyEx(HKEY_LOCAL_MACHINE, sKeyName, 0,
>KEY_ALL_ACCESS, hKey)

The problem is KEY_ALL_ACCESS. User's don't have it and you don't need
it in this case. Best approach is to use the minimum permission that
works. KEY_READ should be sufficient.

-Tom
MVP - Visual Basic
(please post replies to the newsgroup)

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