1,318 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(284.8, 46%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJJ%3C/text%3E%3C/svg%3E)
Check the AD account that is running the ADFS service. We noticed that ours was in the "protected Users" group. As soon as we removed it from this group, and restarted the ADFS service we were able to logon.
AD FS Tracing/Debug Event 153 - None of the UPNs were successful for S4U Logon call
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(0, 61%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVD%3C/text%3E%3C/svg%3E)
Vaman D
5
Reputation points
While trying to login on ADFS page login page, page get refresh and ask for login again (ADFS login loop). When I checked event log in AD FS Tracing/Debug I am getting event 153 with message "None of the UPNs were successful for S4U Logon call" for 2 of secondary ADFS server in our ADFS farm. Please help.
Microsoft Security | Active Directory Federation Services
Windows for business | Windows Server | User experience | Other
20,219 questions