In general the older the system the more likely there will be problems. Organizations with a mixture of old and new hardware and software have no choice but to look at each piece of equipment and program to determine if there are any Year 2000 problems. The best guarantee against Year 2000 software problems is to upgrade to the latest release available. The issues being several patches required to bring the software into compliance. Microsoft recommends that users of versions 3.51 and 4.0 upgrade to NT 5.0 although this program is not yet available.
Networks add an additional level of complexity.
Now at a time when one or both of these as well as numerous other systems on the network are going through major modifications, the interface might need to be modified as well. Since a healthcare organization might have dozens of interfaces, the scope of the problem is enormous. Looking outside your own organization you realize how dependent we have become. All of the organizations across the country and around the world who you depend on for information, services and supplies can be disrupted by faulty systems and potentially affect your ability to do your job. Many Southeast Asian countries are in the middle of serious financial crises and Europeans are undergoing major changes to adapt a common currency.