Forum Discussion
ADFS - Service Unavaible over WAP
Hi, We have a simple ADFS enviroment with a WAP in a DMZ and an internal ADFS server. Problem is that we are not able to access the Test-Signon-Page (https://fqdn.domain.com/adfs/ls/IdpInitiatedSign...
The “Service Unavailable (HTTP 503)” error encountered when accessing Active Directory Federation Services (ADFS) endpoints through the Web Application Proxy (WAP) typically signifies a disruption in the proxy trust relationship or a misconfiguration of certificates between the WAP and the internal ADFS server. According to Microsoft’s official guidance, administrators should validate the integrity of the proxy trust, confirm accurate time synchronization across servers, and ensure that TLS/SSL certificates are correctly configured and up to date.