Disclosed are a system, a method, and article of manufacture to configure information storage and retrieval systems. A configuration loader receives configuration commands from a configuration loader user interface. Upon receipt of configuration commands, the configuration loader transfers storage controller configurations from information storage and retrieval system configuration sources to target information storage and retrieval systems. Threading technology is used to apply a thread manager for managing threads to accomplish the configuration transfers. Multiple physical and/or logical configurations may be transferred simultaneously using the threading technology.