Источник:
http://dynamicscare.com/blog/ax-2012...ious-versions/
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Upgrades from versions 4.0 or 2009 of AX to AX 2012 are handled in a different way than traditional ERP implementations or upgrades. AX 2012 handles upgrades using a “source-to-target” model using two computer systems running in parallel. This model helps minimize downtime and potential time crunch situations while taking the production system offline to [...]
Источник:
http://dynamicscare.com/blog/ax-2012...ious-versions/