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Legacy Tech


Techie term for hardware and/or software which is basically obsolete, but cannot yet be disposed of, either because of the size of investment expended to obtain it in the first place, or because the cost of replacement by upgrade or migration is beyond the resources of the organisation. The continued use of such technology often means that the organisation cannot take advantage of advances in software capabilities, since new programs will not run with their old hardware or operating systems.

There are large numbers of Legacy systems still in use at all levels, from old IBM installations down to networks running applications, written in a now-defunct programming language. Some, such as PCs still running DOS or Windows® 3.1 systems, can be dealt with on a piecemeal basis, while others will require a complete and simultaneous cutover. Organisation management would do well to identify all such systems, and establish a prioritised programme for replacement, as resources permit.

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