A system comprises a first computer on which a software program is executed. The software program causes an operation to be performed. The system also comprises a second computer coupled to the first computer and executes a different version of the software program. The second computer automatically duplicates the operation on the different version of the software program. An activity server is also coupled to the first and second computers to analyze a result of the operation on the first computer against a result of the operation on the second computer and to generate a notification when the result of the operation on the second computer is different.