Summary: Only XDATA is retained when "Saving As AutoCAD Drawing" - Task Pane -] Maps -] Save As AutoCAD Drawing..
Description: Attaching FDO Based Vector data such as SDF, SHP, SQL Server and Oracle Spatial, the associated attributes can only be saved as XDATA.
The Save As AutoCAD Drawing should also have Object Data option.
Product and Feature: AutoCAD Civil 3D - Map 3D
Submitted By: Gordon LUCKETT on 02/11/2015