1. A method comprising: checking case sensitivity information associated with at least one node of a device management structure, said case sensitivity information defining whether to distinguish between upper-case letters and lower-case letters in data associated with one or more nodes of the device management structure, and defining at least one node of the device management structure according to the case sensitivity information, wherein the device management structure comprises information, associated with a managed device, managed with a device management protocol between a device management client and a device management server.