Fields particular to Microsoft Dynamics NAV
In Dynamics NAV, posting groups are used in the master tables (customers, vendors, items, banks, fixed assets, and other such master tables) to identify which accounts must be used while posting entries related to them. This information may not be available in the old system or may need to be transformed. For instance, the company could be using a system that uses one single account for each customer. In Dynamics NAV, just a few accounts are necessary, so you may have to figure out which posting group fits all the master data the best.
You also need to know which fields are mandatory for each master table in order to use its registers. For instance, a customer needs to have the Customer Posting Group field filled, in order to create a new order; also, items need the Base Unit of Measure field. You may not find this information in the old system, but you need to define how to fill these fields during the migration process.
In general, find...
