Many IT departments are still using part or all of Novell Fileserver. But Novell, now only a brand belonging to the company Micro Focus, has stopped the operation to a large extent. Support expires if it has not expired long ago. So why do companies still rely on the old systems? What speaks for switching to Microsoft, what is more critical to see? And: What will change with a migration from Novell to Microsoft? We address these questions in the context of access rights management.