Hi Masa,

Ya you are correct, issue is not related to system date. The problem is when i change the front end server system date i couldn't log in the system. So i restart the front end server, after that i can access both front end and back end, But the fiori launchpad couldn't open.....Showing the error

This webpage is not available

Error code: ERR_CONNECTION_REFUSED

Thanks and Regards

Visakh M K