Known Enhancement Request referenced by Tracking ID VFOG-12525
This issue has been fixed in Xen Desktop cartridge ver 184.108.40.206
Please review the release notes to understand Requirements for upgrading the cartridge and agent/s to this version.
If for some reason upgrading the cartridge is not possible then sue below Workaround:
Reconfigure Store/s on StoreFront Server/s to use FQDN/s of Delivery Controller/s instead of IP/s.