Has there been changes to ESRI hosted tiled basemaps this week? We're running Enterprise 10.8.1 and this week started having issues getting ESRI tiled basemaps to download as offline areas in Collector. All we get is an error "failed to download offline area". No errors in Server Manager log.
I changed my password in AGOL to make sure it was long enough, it was "grandfathered" and only 6 characters long. I then copied this URL from a tiled basemap: https://tiledbasemaps.arcgis.com/arcgis/rest/services/World_Imagery/MapServer
In Enterprise Portal 10.8.1 I Add Item from URL, enter that basemap URL, then store credentials. I then add that layer now listed as an item in Portal to a new blank map, set as basemap and share with Basemap group. The basemap then shows up in the Basemap gallery, just like the documentation here:
https://enterprise.arcgis.com/en/portal/latest/use/take-maps-offline.htm
When on Wifi we can download a webmap in Collector that uses the above basemap, no problem. But when on a cellular connection or Wifi network that is distant from our Enterprise deployment we get the error "failed to download offline area".
Here's where it gets interesting. If we open that same webmap, then Add/Layer from Web and enter the basemap URL, and set as basemap, then try to download in Collector we are prompted for AGOL credentials. We enter the AGOL credentials and the download proceeds without issue regardless of cell or wifi network.
What could have changed in the last week? Are stored credentials expiring or not working correctly when high latency connections are used?
