I can describe ADFS (Active Directory Federation Services) as the de-facto standard service to extend Active Directory as an Identity provider to inside or outside the organisation in order to achieve the Single-Sign-On (SSO) experience and Security that modern systems/users needs and expects.
The first version of ADFS was an additional download of Windows 2003 R2, but started to get popular and used as a service in Windows Server 2008/2008 R2.
Microsoft Azure AD Connect with Azure AD or products offered by Okta or Auth0 (just to name a few) started to make of ADFS federation redundant in the past 3-4 years, but a lot of functionalities have been added in the last version of ADFS with Windows Server 2019 which made it still relevant.
In my humble opinion, ADFS is not dead yet! Continue reading “Workaround ADFS errors when using certificates with CNG Keys”