Zune HD: How to Locate the Device’s MAC Address
Contributed by shamanstears 
September 24, 2009 
Tagged: Zune
If your wireless router uses MAC filtering, you will need to know the MAC address of your device so that it may connect to the internet.
1. Select settings.
2. Select WIRELESS.
3. Select INFORMATION.
The MAC address for the device will be located on the first line of the resulting screen.