It is a RPC limitation not NFS. Check this site for details: http://nfsworld.blogspot.com/2005/03/whats-deal-on-16-group-id-limitation.html
-- Permission denied when user belongs to group that owns group writable or setgid directories mounted via nfs https://bugs.launchpad.net/bugs/110132 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs