Customize the Home Realm Discovery page to ask for UPN right away

DISCLAIMER: This post is a POC written for ADFS on Windows Server 2012 R2 When you have more than one Claim Provider Trust, this is the default user experience: The Piaudonn Yoga is in fact my local Active Directory. The other one, Cabane, is another ADFS deployment that I am trusting. If you don’t want to…

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