DFS and FQDN Referrals

On the Microsoft Newsgroups, someone asked for using FQDN (Full Qualified Domain Name) with DFS-R Referrals.

While first of all that doesn't sound accurate, you must set the key as DFS:

How to configure DFS to use fully qualified domain names in referrals
http://support.microsoft.com/kb/244380/en-us

You must set this key before creating the DFS.