The basemaps from Ordnance Survey cannot be added to ArcMap when HTTPS is enabled for an ArcGIS Online organization.
Last Published: October 16, 2015ArcGIS for Desktop
Bug ID Number
October 13, 2015
April 16, 2021
ArcGIS for Desktop
Operating System Version
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.
This is not reproducible in ArcGIS for Desktop 10.8.1.