Yes, Microsoft supports multiple ADFS farms in one domain in different sites. If the environment matches the below conditions then only it will work in multiple ADFS farm scenario: The service names for ADFS farms should be different for each site (location) i.e. Test.adfs.name.com , Prod.adfs.name.com. You cannot federate same application with two farms inContinue reading “Multiple ADFS farms in one AD Domain”