Note: This article pertains to ArcGIS versions 9.x. Later versions of ArcGIS may contain different functionality, as well as different names and locations for menus, commands and geoprocessing tools.
A new feature is not created when using the Auto Complete Polygon task to create a new feature adjacent to existing polygons.
The Auto Complete Polygon task uses only the features in the current visible extent.
Pan or zoom in the map so that all polygons adjacent to the intended polygon are visible.