RDP Authentication Error 0x800706be

#windows #rdp

Error shown when attempting an RDP connection to affected server running Remote Desktop Services Connection Broker role. The error code 0x800706be is shown.

The only way to log in is with a local account (Azure Bastion with a local account works, or VMware console). I was also able to log in from a Server 2012 server, weirdly enough.

To fix, access the affected RDS server, open gpedit.msc, and locate:
Computer Configuration -> Administrative Templates -> Windows Components -> Remote Desktop Services -> Remote Desktop Session Host -> RD Connection Broker

Edit "Configure RD Connection Broker server name" with the FQDN of the server.

No reboot required, change works straight away.

With thanks to this question on Server Fault.

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