WLAN: for Brilliant Database - not to be recommended because it makes problems.
LAN: bad network, high load at the network.
My "largest" Multiuser Database has concurrent 6 Users. No problems so far.
100 Mbit, only Switches, No Hubs,
Database Server is located on Windows XP Pro
Clients working with Windows XP, Windows Vista, Windows 7
Problem message means that the network connection is not stable or the server has a load problem. Check the Task manager if any task eat up your system. If Brilliantdatabase is the problem, reinstall with the latest 9.42 version. Before reinstallation delete all dead Brilliant Database folders.