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Civil 3D 2016 Service Pack 2: Feature Line Errors and Issues

By April 27, 2016April 12th, 2019No Comments


After installing Service Pack 2 for AutoCAD Civil 3D 2016, you receive errors during an audit or a fatal error when you move feature lines between sites.

Examples include:

  • Feature line elevation points are deleted after running audit.
  • Create Feature Line always defaults to No Site (should use the last-used site).
  • Feature line style fails to be modified in Feature Line tab, Corridor Properties.


  1. Close AutoCAD Civil 3D 2016.
  2. Using Windows Explorer go toC:\Program Files\Autodesk\AutoCAD 2016
  3. Rename AeccLand.dbx to AeccLand.dbx.OLD.
  4. Rename AeccRoadway.dbx to AeccRoadway.dbx.OLD.
  5. Download attached AeccLand.dbx and AeccRoadway.dbx and copy them intoC:\Program Files\Autodesk\AutoCAD 2016\
  6. In C:\Program Files\Autodesk\AutoCAD 2016\C3D:
    • Rename:  AeccUiLand.arx to AeccUiLand.arx.OLD
    • Rename:  AeccUiRoadway.arx to AeccUiRoadway.arx.OLD
  7. Download attached AeccUiLand.arx  and AeccUiRoadway.arx and copy them intoC:\Program Files\Autodesk\AutoCAD 2016\C3D
  8. Restart AutoCAD Civil 3D 2016.