Data served as a Web Feature Service (WFS) service in a Projected Coordinate System is read as a custom authority coordinate system when consumed in ArcMap through the Data Interoperability Connection. This leads to data offset when compared to the REST service or source data when the data is reprojected to match a basemap.
Last Published: February 12, 2016ArcGIS for Desktop
Bug ID Number
March 23, 2015
November 24, 2020
ArcGIS for Desktop
Will Not Be Addressed
The development team has considered the issue or request and concluded it will not be addressed. The issue's Additional Information section may contain further explanation.
FME/Data Interoperability does not natively support EPSG 3338.
1) Publish the original data in a Geographic Coordinate System rather than a Projected Coordinate system.
2) Do not overlay the WFS service on a basemap of a different.