Magento Commerce, 2.2.x

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Admin Session Lifetime

As a security measure, the AdminThe password-protected back office of your store where orders, catalog, content, and configurations are managed. is initially set to time out after 900 seconds, or fifteen minutes of keyboard inactivity. However, you can adjust the lifetime of the session to fit your work style.

To set the session lifetime:

1. On the Admin sidebar, choose Stores. Then under Settings, choose Configuration.
2. In the panel on the left under Advanced, choose Admin.
3. Expand the Security section.
4. In the Admin Session Lifetime (seconds) field, enter the number of seconds that a session remains active before it times out.
5. When complete, tap Save Config.