public void SetNetworkInterface(WqlConnectionManager connection,
								string siteCode,
								string serverName,
								string macAddress)
{
	try
	{
		//Connect to distribution point instance.			
		IResultObject siteRole = connection.GetInstance("SMS_SCI_SysResUse.FileType=2,ItemName=\"[\\\"Display=\\\\\\\\" + serverName + "\\\\\\\"]MSWNET:[\\\"SMS_SITE=" + siteCode + "\\\"]\\\\\\\\" + serverName + "\\\\,SMS Distribution Point\",ItemType=\"System Resource Usage\",SiteCode=" + "\"" + siteCode + "\"");

		// Create temporary copy of the embedded properties.
		Dictionary<string, IResultObject> embeddedPropertyLists = siteRole.EmbeddedPropertyLists;

		// Get current mac addresses.
		string[] macAddresses = embeddedPropertyLists["BindExcept"]["Values"].StringArrayValue;

		//Convert to list.
		List<string> addressList = new List<string>();
		foreach (string address in macAddresses)
		{
			addressList.Add(address);
	}
		// Add the new mac address to the list.
		addressList.Add(macAddress);

		// Add the new mac address to the list.
		embeddedPropertyLists["BindExcept"]["Values"].StringArrayValue = addressList.ToArray();
		siteRole.EmbeddedPropertyLists = embeddedPropertyLists;

		// Save the settings. 
		siteRole.Put();
}
	catch (SmsException ex)
	{
		Console.WriteLine();
		Console.WriteLine("Failed. Error: " + ex.InnerException.Message);
}
}