Plugin to promote users with no roles set (the orphans) to the role from other blog where they registered or to default if any found.
Users who have not been assigned any Roles or Capabilities are called 'orphans'. When using the shared users table trick to link up multiple WordPress installations, users who register on one of your blogs, are not given any privileges on the other blogs in the network. WP-Orphanage is a plugin that automatically adopts your orphan users by promoting them to the role of your choosing. By default it is the same as the default role set in the WP Options.
It does it in two ways:
By taking a just in time approach, this plugin will not add any noticeable overhead to your WordPress blogs, while providing a seamless experience for the users and administrators.
This plugin is a extended version of WP-Orphanage plugin written by Eric Marden