Version

Requirements

To successfully configure a Kerberos based single sign-on, you need Windows Identity Foundation installed on the Web server.

Validation

If you want to validate that WIF is installed on the server, you can search for this key in the registry:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsIdentityFoundation\setup\v3.5\

Installation

In case you don’t have it installed then you can download an installer from here: