
They say knowledge is power, but in this case it is also money, effort and your time.
Knowledge comes with sharing, which means simply, that each installation of each level of hardware coupled with each application addition is fully documented for posterity. Every fix and update is listed per application (and if exists) per separate Windows NT Build and must be accessible at all times to support staff.
It is also useful in practice to empower the end-user by giving them as much information about their own particular set-up as possible – this enables a remote functionality, such as a Helpdesk, to glean valuable information in the shortest possible time. This can also work the other way around, where the Helpdesk or Support Team can generate the same information, easily, from any location.