Service Portal ($sp.do) is loaded in navpage frameIssue The issue is related to the Service Portal loaded inside a frame after the login (/nav_to.do?uri=$sp.do). ReleaseAllCauseThe behavior is caused by the $sp Public Page [sys_public] being NOT Active.ResolutionThe $sp Public Page must be Active as per the following docs: https://docs.servicenow.com/csh?topicname=c_SPSSOLoginAndRedirects.html&version=latest Solution Activate the $sp Public Page on the affected instance.