Hi!
Pl. see the message from Cisco site.
Supported Operating System
Cisco Secure ACS for Windows Servers 3.2.2 only supports two versions of the Windows 2000 operating system, as listed below. Both the operating system and the service pack must be English-language versions.
Windows 2000 Server, with Service Pack 3 or Service Pack 4 installed
Windows 2000 Advanced Server, with the following conditions:
with Service Pack 3 or Service Pack 4 installed
without Microsoft clustering service installed
without other features specific to Windows 2000 Advanced Server enabled
--------------------------------------------------------------------------------
Note The following two limitations apply to support for Windows 2000:
We have not tested and cannot support the multi-processor feature of Windows 2000 Advanced Server.
Windows 2000 Datacenter Server is not a supported operating system.
--------------------------------------------------------------------------------
Windows 2003 Server is not a supported operating system; however, we do support authenticating users with Windows 2003 Active Directory. For more information,
The webpage for your reference.
http://www.cisco.com/en/US/products/sw/secursw/ps2086/prod_release_note09186a00801f0b30.html#wp1039706
HTT
Rgds
Vimal