How to save up to 40% when migrating to Dynamics 365 Business Central Considering a cloud migration? There’s a 40% licensing discount available for existing Dynamics NAV and Dynamics GP customers. Here’s what you need to know. Your organization needs to be currently using the on-premises version of Dynamics NAV or Dynamics GP and must have a current Enhancement Plan in place to qualify. 40% discount on your replacement Dynamics 365 Business Central cloud licenses.