Hyper-V Program Manager
Windows Server 2003 does not include drivers for the Sound Blaster 16 emulated by Virtual PC (nor is this card officially supported in Windows Server 2003). It is - however - possible to get sound working by loading the Windows XP drivers under Windows Server 2003. To do this you will need to:
Other requested files can be selected from the Windows Server 2003 product CD.
wdma_ctl.inf - from C:\Windows\Inf
ctlsb16.sys - from CD\I386\driver.cab
This steps worked for me.
Thanks from Russia!
Your advice helped me very much.