As indicated above, the crux of the Y2K problem is the interchange of date information between programs. Determining whether the problem has been fixed is a major technical challenge. All major computer systems are partitioned to provide testing capacity for new software. Companies with large conversion programs are buying new mainframes solely to provide capacity for testing. Furthermore, Y2K testing involves such fundamental system changes as resetting the system clock, which is difficult to do within a single system while continuing normal processing.
Some software is licensed for a limited time and automatically locks up after a certain date.
At least one major software company has taken the position that such use requires an additional full license. All Rights Reserved.