Enter 1127 or MicrosoftZune A/V or whatever, select 'No remote', the software will find a similar device of Microsoft Zune. Select this device and complete the process without making any other changes.
Go to the Devices screen and click Settings for this device. Click "Set up this device based on a similar device". Select No Remote. Again it will find a similar device of Microsoft Zune. Click the hyperlink 'View more similar devices' and select "Microsoft Zune Dock". This gives default buttons and available actions to control your Zune through the dock. "Microsoft Zune A/V Dock" does not provide any functions for some reason.