To deploy personal virtual desktops, your schema for the Active Directory forest must be at least Windows Server 2008. To use the added functionality provided by the
Personal Virtual Desktop
tab in the
User Account Properties
dialog box in Active Directory Users and Computers, you must run Active Directory Users and Computers from a computer running Windows Server 2008 R2 or from a computer running Windows 7 that has Remote Server Administration Tools (RSAT) installed. There are no Active Directory schema requirements for virtual desktop pools.
You must use a domain functional level of at least Windows 2000 Server native mode. The functional levels Windows 2000 Server mixed mode and Windows Server 2003 interim mode are not supported.
Windows Server 2012 and later Microsoft VDI:
There are no Active Directory schema requirements.
You must use a domain functional level of at least Windows 2003.