Forum Discussion
new Exchange Installation Autodiscover
Hi I have had a lab environment and suspended this to get experience with a new setup. Old setup had a ADFS server in place. New lab setup is based on Windows Server 2025, 1 DC, 1 Exchange server S...
Hi,
As per my understanding, Your Domain Is Still Federated.
Go to Entra ID → Custom Domain Names and check your domain.
It will likely show:
Authentication Type: Federated
instead of:
Authentication Type: Managed
This happens because: Old lab used ADFS
You created a new lab but synced the same domain name, Entra ID stored the old federation configuration, including metadata, Sign-in URL, and IssuerURI
How to Fix the Issue: Convert Domain from Federated → Managed (recommended)
Once you convert:
Outlook autodiscover will stop redirecting to ADFS