ROBOTILL is a fast and robust point of sale system . It uses Microsoft SQL Server as the database server. Even with several POS Computers (tills) and back office computers connected at the same time it should still be fast. We have customers with years of sales history (huge databases) with no performance issues. If you experience performance issues or the system is unstable, then you could look at the following: Network Problems The most common problem is that the server computer (main PC where your database is) is fast, but that additional computers connecting to the server are slow at times. The fact that the ROBOTILL applications on the server computer is fast, but slow on the other computers, point to a network problem. It is the same applications and the same database. The only difference is that the other computers need to connect via your network. Try the following: Restart your router and all computers. Move your computers closer to the router or extend its range. Chan