Prerequisites Moodle 4.2 site. Moodle 4.3 site. Test As an admin login on the Moodle 4.2 site. Create a course. In the course create an External tool activity, configure it as follows and then save the changes: (make sure to expand all settings under the General section) Activity name: External tool - manual Consumer key: key Shared secret: secret Tool URL: _ http://example.com_ Create a backup of the course using the default backup settings. Log in as an admin on the Moodle 4.3 site. Restore the backup of the 4.2 course as a new course on the 4.3 site. Go to the external tool activity in the restored course. Go to the settings page of the external tool instance. confirm the 'Consumer key' and 'Shared secret' fields are empty and enabled . Enter the same values for 'Consumer key' and 'Shared secret' as previously (key/secret) and save. Go back to the settings page of the external tool instance. confirm you can see the same configuration from earlier (step 9) still stored for the 'Consumer key' and 'Shared secret' settings.