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by dksg 1 view

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Our shop is implementing a MS based ERP to cover 5 manufacturing plants - all of which queue their production within a sixth plant where all products are finished.

The system being replaced is a Mapics system running on an AS400.

The debate centers around - "how do we switch from the old to the new?" I know that lots of you have engaged in these kinds of switch overs and I'm curious about what methods succeeded.

Our group is currently discussing bringing up one plant at a time or bringing all plants up simultaneously. The old and new systems are quite different and we're really concerned about affecting production and business during the switch over process.

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by sr10

At face value, I'm inclined to think you should implement one facility at a time and the finishing plant should be third or fourth. This gives you the learning experience of implementing whole plants without putting you completely out of business when something goes wrong.

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