A method for historically synchronizing configuration data of a computer network is provided. A network management server collects from a first database a first plurality of configuration tables corresponding to a plurality of entities in the computer network according to a hierarchy of the entities when an entity in the computer network has changed. The network management server identifies the entity that has changed. The network management server adds a history identifier to an entity configuration table of the first plurality of configuration tables. The entity configuration table corresponds to the entity that has changed. The network management server updates a second plurality of configuration tables in a second database with the first plurality of configuration tables.