This is a most welcome update to ADFS that comes packaged with the Update for Windows 2012R2 servers: KB 2927690 – Update enables an alternative logon ID in AD FS in Windows Server 2012 R2.

A big challenge for many companies in their on-prem AD is that the UPN suffix doesn’t have a publicly routable domain name which is a requirement for e.g. O365, AAD and is preferred/recommended when using any cloud services. Continue reading →