https://community.esri.com/t5/arcgis-web-appbuilder-questions/problem-when-authenticating-arcgis-web-appbuilder/m-p/1058563#M20847 <P>It's a pain and won't work until you get the "Redirect URI" setting correct. In my notes I say "https://localhost:3344/" and at some point I added "you must use HTTPS not HTTP". I know you can put many entries in there, if one does not work keep adding more <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span> For example if you are accessing it from a different machine (using your machines IP address of course) you could put 4 lines in like this just to be sure something works. Good luck, I struggled with connections too.</P><P><A href="http://192.168.1.1:3344" target="_blank">http://192.168.1.1:3344/</A></P><P><A href="https://192.168.1.1:3344/" target="_blank">https://192.168.1.1:3344/</A></P><P><A href="http://localhost:3344/" target="_blank">http://localhost:3344/</A></P><P><A href="https://localhost:3344/" target="_blank">https://localhost:3344/</A></P><P>&nbsp;</P> Mon, 17 May 2021 15:24:49 GMT BrianWilson 2021-05-17T15:24:49Z https://community.esri.com/t5/arcgis-web-appbuilder-questions/problem-when-authenticating-arcgis-web-appbuilder/m-p/1058414#M20844 <P>Hello, I am here today to ask for help, I have a problem when installing the arcgis web appbuilder for the first time, I cannot authenticate myself. I cannot access the web app builder as soon as I confirm the authentication, it returns to the main page ...<BR />anyone have any ideas how to solve the problem ?.</P> Mon, 17 May 2021 07:39:20 GMT https://community.esri.com/t5/arcgis-web-appbuilder-questions/problem-when-authenticating-arcgis-web-appbuilder/m-p/1058414#M20844 hamidmechouet 2021-05-17T07:39:20Z https://community.esri.com/t5/arcgis-web-appbuilder-questions/problem-when-authenticating-arcgis-web-appbuilder/m-p/1058563#M20847 <P>It's a pain and won't work until you get the "Redirect URI" setting correct. In my notes I say "https://localhost:3344/" and at some point I added "you must use HTTPS not HTTP". I know you can put many entries in there, if one does not work keep adding more <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span> For example if you are accessing it from a different machine (using your machines IP address of course) you could put 4 lines in like this just to be sure something works. Good luck, I struggled with connections too.</P><P><A href="http://192.168.1.1:3344" target="_blank">http://192.168.1.1:3344/</A></P><P><A href="https://192.168.1.1:3344/" target="_blank">https://192.168.1.1:3344/</A></P><P><A href="http://localhost:3344/" target="_blank">http://localhost:3344/</A></P><P><A href="https://localhost:3344/" target="_blank">https://localhost:3344/</A></P><P>&nbsp;</P> Mon, 17 May 2021 15:24:49 GMT https://community.esri.com/t5/arcgis-web-appbuilder-questions/problem-when-authenticating-arcgis-web-appbuilder/m-p/1058563#M20847 BrianWilson 2021-05-17T15:24:49Z