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Unidentified network on Dual Port HP NIC

Last Modified: 2012-05-12

I have a W2008 R2 server with the onboard dual port NIC bridged to our LAN and a PCIe HP NIC in unbridged mode to our Backup LAN.

Lan subnet is on the bridge
Backup Lan is on one port of the dual port, other is disabled.

Both static IP, no DHCP.

Normal LAN is all fine, Backup LAN shows "Unidentified network".

Configuration of Backup card is OK so are drivers, if you connect the Backup card to the LAN all bursts into life.

The Network is pure IP without NetBIOS. No strange protocols installed, same config works on every other server, although they are 2003, this is the only 2008 server in the network.

Any ideas why the Backup NIC fails to connect?

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