Size the window large, to ensure that visitors can not get to the login or invest in button, only whenever they simply click "I accept". and be certain the window can ot be shut only if you push "far more details". Edited Oct 28, 2019 by Huberticus (see edit history) https://socialbuzzfeed.com/story4000284/detailed-notes-on-disable-maintenance-mode-magento-2