**ExtremeWireless Controller Guestportal redirect works but certificate warning message appears even certificate was configured correctly** **Title:** ExtremeWireless Controller Guestportal redirect works but certificate warning message appears even certificate was configured correctly **Symptoms:** Guestportal redirect works but certificate error message comes up even using the correct certificate on the controller After accepting the warning the captive portal login page showed up. The browser URL included the right FQDN. The redirection ports of the login page certificate was for http only **Environment:** V2110 10.41.12.0006 Guestportal using certificates in order avaoid certificate errors for wireless users csr file was not used and created on the controller Only generated the cert on the official CA **Cause:** After redirect happens the Controller used the default cert instead of the configured cert from the CA Resolution Toggling this setting under Guest WLAN Service - auth&acct “ Use HTTPS for User Connections “ was disabled - enable it save ( redirect doesn't work anymore) and then disable it back The configured cert was issued now instead of the defaut cert - no cert error message anymore after redirect Further debugging was not possible at that time **Additional notes:** wns0021466 This solved the issue by the customer but tzhe customer was not willing do further anlyze of the issue. Closed