When MDLSITE-4780 is completed Test 1 Use ngrok to make the site available from internet Register the site Modify table mdl_registration_hubs in the db and replace token with random string go to site administration>registration and update the site, it should request new token silently modify token again in the db run "Site registration" scheduled task: php admin/tool/task/cli/schedule_task.php --execute="\core\task\registration_cron_task" Confirm that it displays an error that the token was not found check that your site now thinks that it is not registered register again unregister the site Test 2. Register the site Change site url (restart ngrok) Update your registration Confirm that you are redirect to the page that asks what do you want to do with your site choose "Update registration url for an existing site", and complete registration Change site url again Click on "Unregister" and submit the form Confirm that an error was displayed to inform you that the url does not match but your token was deleted (note, site initial registration was not deleted from moodle.net, this is done on purpose as a solution for copied sites). Register the site again Confirm that you are redirect to the page that asks what do you want to do with the existing registration Choose "Update registration url for an existing site" Unregister the site