In the first part of this blog series I went through the introduction and the prerequisites and in the second part I went through the installation and configuration of AD FS. This third part of the blog series will be all about configuring, configuring and configuring. First it's required to add the public domain name to the Microsoft Online Services, then I'll add the public domain name as a UPN to the users and then I'll enable active directory synchronization. Enable Active Directory Synchronization The first thing is that I have to enable Active Directory synchronization in the Microsoft