Windows 2003 Server R2 Lesson Learnt
Was doing some testing today with the new DFS that comes with Windows 2003 server R2 and found out that if you are using this feature you need your domain controllers to be R2 as well, in fact. Microsoft recomend that before you deploy R2 anywhere you should first upgrade your DCs. Before you can do this you must do a schema update. The schema update is done by running
adprep /forestprep from the components folder on the R2 CD.
The only time I had actually worked with R2 before had been in a native R2 site, where the Domain Controllers had been built from R2 media so we didnt have this issue. It does actually give you this info in the help file on the R2 media but who reads them...... :p