laptop and a wrench


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, 2015 ArcGIS Web AppBuilder for Developers
Bug ID Number BUG-000088914
SubmittedJuly 8, 2015
Last ModifiedAugust 21, 2020
Applies toArcGIS Web AppBuilder for Developers
Version found1.1
Operating SystemWindows
Operating System Version2012 64 Bit

Additional Information

Must set proxyUrl in config.json file to make Internet Explorer 8 or 9 work with CORS post request.

Steps to Reproduce

Bug ID: BUG-000088914


  • ArcGIS Web AppBuilder for Developers

Get help from ArcGIS experts

Contact technical support

Download the Esri Support App

Go to download options

Discover more on this topic