When a secure ArcGIS GIS Server web service is added as an item in ArcGIS Online with stored credentials, the proxy (utility.arcgis.com) does not appear to maintain the cookies of the server site’s third-party load balancer.
Last Published: June 19, 2018ArcGIS for Server
Bug ID Number
January 27, 2016
January 9, 2021
ArcGIS for Server
The bug has been fixed. See the Version Fixed and Additional Information, if applicable, for more information.