Error: "Cannot Add Account" While Configuring StoreFront Beacons

Using discovery document fails with error"cannot add account"...

January 21, 2021—KB4598298 (OS Build 18363.1350) Preview

January 21, 2021—KB4598298 OS Build 18363.1350 Preview Release Date: 1/21/2021 Version: OS Build 18363.1350 Important:12/8/20 Adobe Flash Player went out of support on December 31, 2020. For more information, see Adobe Flash end of support on December 31, 2020. Adobe started blocking Flash conten...