when I execute "await ExportTileCacheTask.CreateAsync(basemap.Source);" catch a Invalid response: Service does not support tile export. I use map in https://www.arcgis.com/home/group.html?owner=esri&title=Tiled%20Basemaps&start=11&q for export also catch this exception
Hi, Antti
I change the username and password to mine and run, it will also catch the "Token Required" exception.
Do you see credentials being created? If you check knownCredential does it have token assigned to it?
Do you have any proxies or similar in the middle?