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Auto Negotiation PC NIC Remotely

I have some Windows XP PC's and need to check whether the NIC is set to auto negotiate the speed with the switch or not. How can I do this remotely ?

I cannot view the advanced tab of the NIC remotely through Device Manager, I can see everything else but not that.

I don't want to disturb the users or travel to the site which is 20 miles away.

Any ideas please ?

Thanks
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Simples
Asked:
Simples
2 Solutions
 
Ernie BeekExpertCommented:
If you can use a remote registry editor you could find it somewhere in:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002BE10318}\
In here you can find the network adapters. The value you are looking for is SpeedDuplex, when it is zero that would mean auto-negotiate.
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SimplesAuthor Commented:
Thanks but I cannot find anything that refers to SpeedDuplex on the XP PC's. I can on Windows 7 but not XP ??
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giltjrCommented:
Double check.  I just looked at my XPSP3 system and its is there.  You may want to go to the reg entry erniebeek posted and then do a find for SpeedDuplex.

Of course this is based on the assumption that the NIC driver gives you the ability to set the speed and duplex.
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cantorisCommented:
Under WinXP you may find it is a value called "RequestedMediaType".

I would recommend you experiment on the same model of PC whilst running Process Monitor to see what the value and data are.
You want to watch for rundll32.exe doing a RegSetValue when you change from Auto to 100Full, click OK, then go back in and change it back.
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SimplesAuthor Commented:
Thanks both. Sorted.
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