What about Windows server2008 64-bit without audio installed?

1. Installed server2008 found in the lower right corner of the audio display Fork Fork

2. Two services for opening audio first

2.1 Open Services, management tools-services

2.2 Find these two service items and start all

2.3 When you start these two services you will find that it is still useless, still a straight red fork, don't worry, please see the next step

2.4 Open Group Policy, enter Gpedit.msc in run, and determine

2.5 Find Admin Templates >windows build > Remote Desktop Services > Remote Desktop Session Host > device and resource redirection

2.6 Find allow audio and video redirection, double-click Open, point enabled, OK, and then reboot the system

3. See if it's OK.