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Nic's configuration in Registry

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5 replies

by supyee

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How do I change the network card's media speed & duplex mode with regedit? Since I have more than 100 PCs which need to set the NIC speed from atuosense to 10 with half duplex, I would like to write a script and dispatch the setting to the PCs, anyone could help to reslove the probelm. I was encountered an abnormal behaviour with the autosese network setting when working with a particular application.

5 replies

by skitzizzy

Hi,

You would need to use the regchg command. It's uage is

regchg Path EntryName Type Value

My PC is currently set to 10 Half Duplex and has a Compex RE100 PCI NIC in it. Upon searching the word Duplex, I found 3 network reg keys. They are:-

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\RE100ND41\Parameters

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\RE100ND41\Parameters

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RE100ND41\Parameters

The name of the actual key is DUPLEXMODE and they all appear to have a value of:-

0x00000002 (2).

Good luck and I hope this helps you some,

Andy

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