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Reconciliation

 

In the IT context Reconciliation is a vital part of Acceptance Testing and Parallel Running whereby the output from both the 'old' and 'new' systems is compared to ensure that the new system is operating correctly. Clearly, if the old system claims that 2+2=4, while the new system differs - there is a problem.

Reconciliation goes beyond mere arithmetic and it is essential that all outputs be reconciled, to allow for known changes in the new system, and identify any unexpected results.

It is critical that this be completed before the new system is accepted.


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