An automated storage system including: a rack arrangement including two racks, which define a rack aisle between them, wherein the racks comprise multiple rack levels vertically on top of each other; energy-autonomous vehicles arranged in the rack aisle on the rack levels and being horizontally movable for automatically storing and retrieving storage goods, wherein each of the rack levels, where one of the vehicles is provided, is equipped with a charging station, wherein each of the vehicles is initial-configured and comprises a vehicle control, an energy storage, and a data storage; a system control communicating with each of the vehicle controls; and an assignment table, which is stored in a data storage of the system control and which includes initial-pairing data including mutually assigned location addresses and vehicle-specific identifiers; wherein each of the vehicle controls is configured: to cause the corresponding vehicle to switch into an autonomous rescue mode and to automatically move to an assigned charging station, if communication between the corresponding vehicle control and the system control has been interrupted for longer than a first predetermined time period T1; and to initiate a pairing process as soon as the communication with the system control is restored, wherein the pairing process is performed based on initial-pairing data including a location address and an identifier of the respective vehicle, which are fixedly and uniquely assigned to each other, and being stored in a permanent memory of the vehicle. a rack arrangement including two racks, which define a rack aisle between them, wherein the racks comprise multiple rack levels vertically on top of each other; energy-autonomous vehicles arranged in the rack aisle on the rack levels and being horizontally movable for automatically storing and retrieving storage goods, wherein each of the rack levels, where one of the vehicles is provided, is equipped with a charging station, wherein each of the vehicles is initial-configured and comprises a vehicle control, an energy storage, and a data storage; a system control communicating with each of the vehicle controls; and an assignment table, which is stored in a data storage of the system control and which includes initial-pairing data including mutually assigned location addresses and vehicle-specific identifiers; wherein each of the vehicle controls is configured: to cause the corresponding vehicle to switch into an autonomous rescue mode and to automatically move to an assigned charging station, if communication between the corresponding vehicle control and the system control has been interrupted for longer than a first predetermined time period T1; and to initiate a pairing process as soon as the communication with the system control is restored, wherein the pairing process is performed based on initial-pairing data including a location address and an identifier of the respective vehicle, which are fixedly and uniquely assigned to each other, and being stored in a permanent memory of the vehicle. to cause the corresponding vehicle to switch into an autonomous rescue mode and to automatically move to an assigned charging station, if communication between the corresponding vehicle control and the system control has been interrupted for longer than a first predetermined time period T1; and to initiate a pairing process as soon as the communication with the system control is restored, wherein the pairing process is performed based on initial-pairing data including a location address and an identifier of the respective vehicle, which are fixedly and uniquely assigned to each other, and being stored in a permanent memory of the vehicle.