A system for configuring a bridge in a wireless lighting system which has been commissioned in a bridgeless mode, said wireless lighting system comprising a plurality of lighting devices (14-19), said system comprising: at least one input interface ; at least one configuration interface ; and at least one processor configured to: - use said at least one input interface to determine that a bridge has been added to said wireless lighting system , - use said at least one input interface to obtain information relating to said plurality of lighting devices (14-19), - analyze said information, - determine one or more groups of lighting devices based on said analysis, at least one of said one or more groups comprising multiple of said plurality of lighting devices (14-19), and, characterised in that upon determining that said bridge has been added to said wireless lighting system, the at least one processor is configured to - migrate said wireless lighting system from the bridgeless mode to a bridge mode by configuring, using said at least one configuration interface , said bridge with said determined one or more groups , such that lighting devices of the plurality of lighting devices (14-19) that were controlled simultaneously in said bridgeless mode continue to be controlled simultaneously as a group of said one or more groups in said bridge mode. at least one input interface ; at least one configuration interface ; and at least one processor configured to: - use said at least one input interface to determine that a bridge has been added to said wireless lighting system , - use said at least one input interface to obtain information relating to said plurality of lighting devices (14-19), - analyze said information, - determine one or more groups of lighting devices based on said analysis, at least one of said one or more groups comprising multiple of said plurality of lighting devices (14-19), and, characterised in that upon determining that said bridge has been added to said wireless lighting system, the at least one processor is configured to - migrate said wireless lighting system from the bridgeless mode to a bridge mode by configuring, using said at least one configuration interface , said bridge with said determined one or more groups , such that lighting devices of the plurality of lighting devices (14-19) that were controlled simultaneously in said bridgeless mode continue to be controlled simultaneously as a group of said one or more groups in said bridge mode. - use said at least one input interface to determine that a bridge has been added to said wireless lighting system , - use said at least one input interface to obtain information relating to said plurality of lighting devices (14-19), - analyze said information, - determine one or more groups of lighting devices based on said analysis, at least one of said one or more groups comprising multiple of said plurality of lighting devices (14-19), and, characterised in that upon determining that said bridge has been added to said wireless lighting system, the at least one processor is configured to - migrate said wireless lighting system from the bridgeless mode to a bridge mode by configuring, using said at least one configuration interface , said bridge with said determined one or more groups , such that lighting devices of the plurality of lighting devices (14-19) that were controlled simultaneously in said bridgeless mode continue to be controlled simultaneously as a group of said one or more groups in said bridge mode. <EOS>