l have iMovie on a 10.6.8 client. I can't save movie clips to the server, but can save to the client. When I try to "File->Import from camera" (local iSight), then "capture", on the dialog that pops up I see "Save To:" with three shares:
1) "Mac HD" (local main partition),
2) "Data Store" (local data partition), and
3) "SERVER-USERDATA" (the main area on the server for network user data).
Share#1,2 show lots of gigs free, and I can save to these areas. (But I think I'll have a problem with network users if they log onto another machine, the clip won't be available.)
Share#3 shows 0gig free. But there is plenty of space on the server. If I try to save here, i get a dialog that says "... you may not have permissions to write to "/Network/Servers/rbserver.lan/SERVER-USERDATA/iMovieEvents.localized."
In server admin, File Sharing, I don't see "SERVER-USERDATA". I see: