The following white papers provide comparisons to the available operating systems.

Comparing Sun Solaris 8 and Windows 2000 Server Technologies
This Microsoft white paper compares the differences between the Windows 2000 Server platform and Solaris 8 from Sun Microsystems. The paper concentrates on four main areas: hardware device support, Internet services, reliability, and manageability.

Comparing Windows 2000 Server and Windows NT Server with NetWare 6.0
This Microsoft white paper includes a detailed comparison of Microsoft Windows 2000 Server, Windows NT Server 4.0, and Novell NetWare 5.0. It compares the operating systems in the following deployment scenarios: file and print sharing services, networking and communication services, application services, Internet services, and management and infrastructure services.

Comparing Sun Solaris 9 and Windows Server 2003 Technologies
This Microsoft white paper provides a side-by-side comparison of the two operating systems, describing how each has implemented key features required for enterprise computing.

The Solaris 8 Operating System and Microsoft Windows 2000 - Race for Control of Web Infrastructures
This Sun white paper compares Solaris software functions related to reliability, scalability, and manageability between the Solaris 8 and Microsoft Windows 2000 operating systems

 Windows 2000 Versus Linux in Enterprise Computing
This IDC white paper sponsored by Microsoft compares the five-year total cost of ownership (TCO) of Microsoft Windows 2000 server environments with that of Linux server environments (from multiple Linux vendors).