Multiple login sessions are seen in stdlog when the user logs in via IIS and has URL rewrite enabled.
-> When users login via tomcat, a single login session is logged.
-> Same user when login via IIS, 2 login sessions are seen.
-> This is when SSO is enabled and has URL rewrite in IIS.
-> When disabled below settings single session is seen via IIS:
-> Noted the same behavior with IE and chrome.
Release : 17.3
This is addressed via Defect DE64455 and is solved after Changing the IIS rule condition pattern from "^/favicon\.ico/" to "^/favicon\.ico"