ADFS Proxy Replacement on F5 BIG-IP
BIG-IP Access Policy Manager can now replace the need for Web Application Proxy servers providing security for your modern AD FS deployment with MS-ADFSPIP support released in BIG-IP v13.1. This arti...
Published Mar 13, 2018
Version 1.0
You'll implement changes to the logon page object similar to this: https://devcentral.f5.com/s/articles/office-365-logon-enhancement-username-capture-27497
 
That article is using APM as SAML IdP instead of ADFS, but in both SAML and WS-Fed (ADFS) cases the username is sent along and you can extract it to insert into the APM logon page.