Adding attachments fail on feature services when the feature service capability in the URL is referenced in a non-default case.
Last Published: June 10, 2019ArcGIS for Server
Bug ID Number
November 20, 2014
March 30, 2022
ArcGIS for Server
Operating System Version
After review by the development team, it has been determined that this issue is related to a known limitation with the software that lies outside of Esri's control. The issue's Additional Information section may contain further explanation.
The URL is case sensitive for certain operations. Ensure that the REST URL endpoint is referenced using the proper case.
Ensure to reference the feature server using the default case: FeatureServer.