What Does Session Timeout Mean?

Session timeout represents the event occuring when a user does not perform any action on a web site during an interval (defined by a web server). ... “not used anymore”) and instructs the web server to destroy it (deleting all data contained in it).

What causes session timeout?

Possible reasons for seeing the session expired message

User has been inactive for more than the specified time and the session has timed out. User has been disconnected from the internet mid-session. User has logged in on a different machine while the initial session is still active.

How long is session timeout?

Typical session timeouts are 15- to 45-minute durations depending on the sensitivity of the data that may be exposed. As the session timeout is approaching, offer users a warning and give them an opportunity to stay logged in.