For single sign on method, we will install {0}. For AD FS, you must have the following: A {1} server for the federation server ...

For single sign on method, we will install {0}.

For AD FS, you must have the following:
 • A {1} server for the federation server
 • A {1} server for the Web Application Proxy
 • An {2} for the federation service name you intend to use (example: {3})

{4} about AD FS requirements.