USM Central supports up to 20 concurrent sessions per user, including both USM Central and USM Anywhere sessions. You can configure the length of time a session is inactive before the system automatically logs you out of USM Central. Concurrent API sessions are not limited.
Important: GovCloud users are limited to two concurrent sessions for each user, including USM Central, USM Anywhere, and API sessions.
To configure your web user interface (UI) session timeout