Before you can send a BizTalk purchase order, you must make sure that you are connected to BizTalk Server. Furthermore, your BizTalk partner must be registered as a BizTalk partner in Microsoft Dynamics NAV and connected to BizTalk Server. Finally, you and your partner must have a valid agreement to exchange BizTalk purchase orders quotes.
Once the connection is established, you must create or open a Microsoft Dynamics NAV purchase order, in order to send a BizTalk purchase order.
To send a BizTalk purchase order, follow this procedure:
Create or open the Microsoft Dynamics NAV purchase order that you want to send as a BizTalk purchase order.
Click Functions, Send BizTalk Purchase Order.
Setting Up Your Own Organization on BizTalk Server from within Microsoft Dynamics NAV