XenDesktop Controller prerequisites
- Windows 2008 SP2 or R2 Server, Standard or Enterprise Edition
- .NET Framework 3.5 SP1
- IIS 7.0 or 7.5 with ASP.NET 2. (Web Interface, License server, and/or Desktop Director)
- Microsoft Visual J# 2.0 Redistributable, Second Edition (Web Interface)
- Microsoft Visual C++ 2008 w SP1 Redistributable
- PowerShell 2.0
- IE 7.0 or later

Database requirements
- SQL Server 2008 R2 Express Edition
- SQL Server 2008 R2
- SQL Server 2008 SP1 (or later)