Changing Network Adapter link speed over Remote Desktop

devicenetworkingremote desktopwindows-server-2008

We have an Intel Pro 1000 PT Dual Port Server Adapter running on a WIN2K8 box housed in an offsite colo.

I recently learned that the auto-negotiated link speed is 100Mbps. When I run the diagnostic test provided by the Device Manager > [Card] > Properties window, it says that the Network Adapter is set to auto negotiate the link speed but that "…1000 Mbps has not been chosen as one of the possible speeds."

I don't see anywhere in the properties tabs that suggest any config setting like "Available link speeds."

So, this is kind of 2 questions:

  1. Is it possible that if I change the link speed from auto negotiate to 1000Mbps the network card will cease to work until I go onsite and change it back?
  2. Does anyone know how I can configure 1000Mbps to be one of the available link speeds for the auto negotiation?

Thanks in advance.

Best Answer

Step 1: Ensure that the switch you're plugged into is really gigabit.

Step 2: Be prepared to travel to the colo to fix this should it go dark.

My guess is that the switch port is not allowing gigabit.

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