Registry Tip : Determine NIC Address


A reliable method of obtaining the NIC address programmatically. If
NetworkAddressLocal=0, there is a NIC card installed. The contents of
NetworkAddress is a six-byte array that corresponds to the NIC address.

Hive: HKEY_LOCAL_MACHINE
Key: SOFTWARE\Description\Microsoft\Rpc\UuidTemporaryData
Name:
NetworkAddressLocal
Type: REG_DWORD
Value: 0=NIC
installed

Type: REG_DWORD
Value: 0=NIC
installed

Name: NetworkAddress=NIC
address

This address has been known to be incorrect when Ghosting
or other image duplication techniques have been used to install a set of PCs. A
series of PCs ghosted were found to have the same NIC address. If NetBios
protocols are installed, standard NetBios calls may be more reliable.

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