Upgrading to Moodle 2.2
From MoodleDocs
See Upgrading to Moodle 2.2 in the 2.2 docs wiki.
Note: You are currently viewing documentation for Moodle 3.3. Up-to-date documentation for the latest stable version of Moodle is probably available here: Upgrading to Moodle 2.2.
See Upgrading to Moodle 2.2 in the 2.2 docs wiki.