Forum Discussion
ADFS - Unable to log on with UPN
Hi All, In our development environment we have ADFS 3.0 servers authenticating federated users. Recently, users have been unable to log on using their UPN. SamAaccountName works without issue. Fo...
Can you elaborate a little Vasil? The authentication fails completely and claims are not released. The ADFS forms authentication page just rejects the password unless you use the samaccountname format. our production environment is essentially the same and we dont have a similar issue so its quite puzzling.
Hi David
DId you come right here? I saw something similar many years ago.. You might need to alter the claims to support the multiple UPN suffixes. Did you set up the ADFS with the AADConnect wizard? I'm assuming the new UPN name space is federated and you are using it for Azure/O365
