The Web AppBuilder for ArcGIS (Developer Edition) application returns the error, "Unable to access Authentication Service" when attempting to sign in to access an ArcGIS Online secured web map item on Internet Explorer 9 (IE9).
Last Published: August 6, 2015ArcGIS Web AppBuilder for Developers
Bug ID Number
July 8, 2015
August 21, 2020
ArcGIS Web AppBuilder for Developers
Operating System Version
2012 64 Bit
This issue was not reproducible when tested by the development team. Issues may be given this status when they cannot be reproduced or are no longer relevant in a development version of the software, but a specific fix was not installed to address the issue. The issue's Additional Information section may contain further explanation.
Must set proxyUrl in config.json file to make Internet Explorer 8 or 9 work with CORS post request.