You can compare registry entries and values between and among computers or between two different keys on the same system. Performing registry comparisons is useful in the following situations:
When you are trying to troubleshoot service and application configuration issues.
At such times, it is useful to compare the registry configurations between two different systems. Ideally, these systems include one registry that appears to be configured properly and one that you suspect is misconfigured. You can then perform a comparison of the configuration areas that you suspect are causing problems.
When you want to ensure that an application or service is configured the same way on multiple systems.
Here you use one system as the ...