When you install WaterGEMS CONNECT after you install ArcGIS, integration between the two is automatically configured when you install WaterGEMS CONNECT.

If you install ArcGIS after you install WaterGEMS CONNECT, you must manually integrate the two by selecting Run > All Programs > Bentley > WaterGEMS CONNECT > Integrate WaterGEMS CONNECT with AutoCAD-ArcGIS. The integration utility runs automatically. You can then run WaterGEMS CONNECT in ArcGIS mode.