Windows Server 2003 SP1 with an NTFS-formatted partition, with IIS (Microsoft Internet Information Server) and ASP.NET installed. Sentinel does not support Crystal XI R2 on Windows Server 2000.

.NET Framework 1.1 or 2.0 is installed by default on Windows Server 2003. However, you can also install .NET Framework 3.5 manually. To determine which version of .NET Framework is on your machine, go to %SystemRoot%\Microsoft.NET\Framework. The version is listed as shown in the figure below: