Mobile Account Preferences greyed out

[Cooners]

Hi

I'm currently having an issue, In the school I work in the teachers all have laptops that they take home and use as there personal computers. The problem I'm having is this then all syncs back in the school and has filled up the 6TB NAS!
I would like to limit what is synced to just documents but when I go to mobile account preferences all the tick boxes are greyed out and I can't change a thing! The server is Snow Leopard as are all the machines, is it something I will need to do from the server? Sorry I know very little about Macs.

Kind Regards
Dan

[notruthie]

Dan -- You can change what's being synced by using Workgroup Manager. Under the Mobility preference, go to Rules, and you can choose which folders are synced.