A user may only be linked to one group at a time. Once a user is linked to a user group, that user cannot be linked to another.
- Unlink the user from their current user group.
For instructions on how to do this, see How do I link or unlink a user from an existing user group? - Link the user to the new user group.
For instructions on how to do this, see How do I link or unlink a user from an existing user group?