||This feature was removed completely in version 1.22.0.
||This functionality is still experimental.
$wgAutocreatePolicy controls account auto-creation behavior when external authentication is enabled (see $wgExternalAuthType and $wgExternalAuthConfig for details.)
$wgAutocreatePolicy can be set to one of three values:
never - do not automatically create new accounts.
login – create new accounts on user login. This is the default setting.
view - not currently implemented. Will require the external database to support cookies and implies '