A computer system hardware or software upgrade can be a daunting challenge. Multiple industries both regulated (nuclear, biotech, pharma, food, medical device, etc.) and unregulated are facing aging hardware and software which is no longer maintainable or supported by vendors.
In most cases there is an entering project requirement to make the upgrade with minimal down time. Down time is affected by two critical phases of the project: Equipment and software installation sometimes referred to cutover and system testing including validation.