Loading ...Once the design and development company has tested the system in the test harness, it will handover the system along with all source code and testing documentation.
At this point the company may have paid for help installing the new system. If this is the case then strategic planning of installation will be required. If not then the company will be responsible for installing the system and planning such an exercise.
Normally at this stage the company will continue to have warranty for bugs for a negotiated period of time ensuring that the system still works properly under release conditions.
An example of this type of failure is database access. A problem can occur whereby two customers go for the same record at the same time. This may never show up during testing but may show up under strained real-time conditions.