Windows Management Instrumentation with Windows 7

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Hi everyone,

I'm working on a management application written in C# and using WMI.
This application allowed the user to change the computer name, autologin account, the IP address.
When I run it on Windows XP i can change the IP Adresse.
On windows 7 i always this result : 0x80041003.

Here an extract from the application :

C#

ManagementScope scope = new ManagementScope(@"\\localhost\root\cimv2");
scope.Connect();

ObjectQuery requete = new ObjectQuery("SELECT * FROM WIN32_NETWORKADAPTERCONFIGURATION");
ManagementObjectSearcher searcher = new ManagementObjectSearcher(scope, requete);
ManagementObjectCollection collection = searcher.Get();

if (adresse != "0.0.0.0" && adresse != string.Empty)
{
    foreach (ManagementObject element in collection)
    {
       if ((bool)element["IPENABLED"] == true)
       {
           ManagementBaseObject nouvelleadresseip = null;
           ManagementBaseObject result = null;
           ManagementBaseObject nouvellepasserrelle = null;
           ManagementBaseObject serveursDns = null;
           nouvelleadresseip = element.GetMethodParameters("ENABLESTATIC");
           nouvellepasserrelle = element.GetMethodParameters("SETGATEWAYS");
           serveursDns = element.GetMethodParameters("SETDNSSERVERSEARCHORDER");

           nouvelleadresseip["IPADDRESS"] = new string[] { adresse };
           nouvelleadresseip["SUBNETMASK"] = new string[] { masque };

           serveursDns["DNSSERVERSEARCHORDER"] = new string[]   { Properties.Resources.ServeurDnsPrefere, Properties.Resources.ServeurDnsAuxiliaire };

            result = element.InvokeMethod("ENABLESTATIC", nouvelleadresseip, null);
            resultat = Convert.ToInt64(result["RETURNVALUE"]);

On each computer I run the application with Administrator acount.

Thanks for your help

Posted 15-Aug-12 2:27am

clemhindie

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[no name] 15-Aug-12 8:28am

And your question/problem would be what?

clemhindie 15-Aug-12 8:52am

My problem is why i can't change the IP Address on Windows 7.
I didn't found the reason for the result 0x80041003 (Access denied).
I think i have trouble with the UAC

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ledtech3 · Accepted Answer · 2012-08-15T02:51:00

That error is a WMI Access Denied error code.
http://msdn.microsoft.com/en-us/library/windows/desktop/aa394603(v=vs.85).aspx[^]
Either right click and run as Administrator or try putting in the UAC Setting "requireAdministrator"
All Admin user account run in a lesser Privilege mode until elevated.
With the Exception of the "Real Admin Account" which is disabled by default.