Methods and apparatus for monitoring wagering game machines in a network are described herein. In one embodiment, a method for monitoring wagering game machines in a network includes receiving, in a wagering game machine, a wager associated with a wagering game. The method can also include receiving status information associated with a peripheral device or other component of the wagering game machine and transmitting diagnostic information indicating whether the peripheral device or other component needs service, wherein the diagnostic information is based at least in part on the status information.