Word processing or database files don't convert completely or require substantial editing after they are converted. Many essential documents have to be recreated or substantially revised. The firm grossly underestimates training needs and costs. Staff spends as much as 20 perrcent of their time trying to learn functions and tasks as needed. Performance, accuracy, productivity and responsiveness worsen temporarily as people learn how to use new hardware or software.
Some people give up and return to the old system.
Lawyers and staff resist or try to circumvent new security or data management procedures. Clients and lawyers are concerned about security and confidentiality and won't use the new system. As a result, the firm has to keep the old system in operation, as well as the new one. Bills don't go out on time, creating a cash-flow crisis the next month. Frustration grows and morale sinks.