For modern business, the IT network is the drive belt in the engine of the entire operation. It cannot snap while driving on the highway, no matter what.
Secom Technology recommends that every company should set up a preventative maintenance schedule. This will allow most potential problems and major problems to be avoided long before they occur, much like getting your car serviced by a mechanic.
In fact, this is a core principle of our entire philosophy: proactive, not reactive.