Updating information in a client-server based gaming system comprising a client gaming machine, a game application server and a central database, by: storing in said central database login information for gaming system units that are logged in to the gaming system; storing updated information in the central database; storing an information update control command comprising an indication of the updated information and an indication of a receiver gaming system unit in the central database; generating an update command message comprising an update command for execution of an update operation in the receiver gaming system unit; determining the communication route to the receiver gaming system unit dependent on the stored login information; communicating the update command message to the receiver gaming system unit dependent on the determined communication route; executing the update command comprised in the update command message in the receiver gaming system unit.