MSDynamicsWorld.com has a great look at new offers For Lapsed Dynamics GP and NAV Customers. Microsoft is offering a New Promo to Get Back on Service Plans
For Lapsed Dynamics GP and NAV Customers, Microsoft Offers a New Promo to Get Back on Service Plans
Payables & ReceivablesMicrosoft & the GP Ecosystem
Archived post from 2010. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.