1. A method comprising: receiving, by an administrator computer system, a plurality of input parameters including a first parameter specifying a plurality of target computer systems and a second parameter specifying a command to be executed against the plurality of target computer systems; validating, by the administrator computer system, the plurality of input parameters; subsequently to the validating, causing, by the administrator computer system, the command to be automatically executed in parallel against the plurality of target computer systems; storing, by the administrator computer system, output information and first error information generated as a result of the command execution; and storing, by the administrator computer system, second error information generated as a result of the receiving, processing, and causing, the second error information being distinct from the first error information.