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I wish to enable Network Discovery on my network (For various reasons) I need to apply this via GPO due to the nature of our setup. This is on a Windows 2008 R2 Domain with Windows 7/XP Clients.

I have tried to enable this in the GPO and it shows the below;

> Network/Link-Layer Topology Discovery Policy  Setting Comment Turn on
> Mapper I/O (LLTDIO) driver Enabled     Allow operation while in
> domain    Enabled Allow operation while in public network Disabled
> Prohibit operation while in private network   Disabled
> 
> Policy    Setting Comment Turn on Responder (RSPNDR) driver Enabled   
> Allow operation while in domain   Enabled Allow operation while in
> public network    Disabled Prohibit operation while in private
> network   Disabled

But when logging onto the clients this isn’t applying. I have Run RSOP and the output isn’t showing that this has applied as well. Any comments would be appreciated

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Have you allowed enough time to pass for group policy to refresh or have you forced a refresh using gpupdate /force? –  MDMarra Jan 3 '12 at 16:48
    
I have run Gpupdate /force and allow it to do the logoff. But this still hasnt applied the Policy. Also I have done a reboot of the machine I am using to test. Other parts of the GPO that i have just added in are applying fine. –  t1nt1n Jan 3 '12 at 16:48
    
Looks like your settings should work. Appears from your question that the clients just aren't receiving the GPO. Can you run a GP Result within GPMC? The summary tab should show you the disposition of the GPO (if it was applied/denied and why)... –  newmanth Jan 3 '12 at 17:49
    
Ive just looked at this microsoft.com/download/en/details.aspx?id=21895 And it says it for WinXp/Server2003 (Tryied it but wont install) Any Suggestions. –  t1nt1n Jan 4 '12 at 8:28

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