HostedDiscovery: Lookup for Discovery service failed: Hosted Discovery error: HTTP Unauthorized

I'm unable to connect to my Windows 11 host.  Everything ticked green on host.  Firewall disabled.

The following entries are in the log file, showing "HostedDiscovery: Lookup for Discovery service failed: Hosted Discovery error: HTTP Unauthorized"..

VNC(R) Server 6.11.0 (r47988) x64 (Sep 15 2022 19:08:03)
Copyright (C) RealVNC Ltd.
RealVNC and VNC are trademarks of RealVNC Ltd and are protected by trademark
registrations and/or pending trademark applications in the European Union,
United States of America and other jurisdictions.
Protected by UK patent 2481870; US patent 8760366; EU patent 2652951.
See https://www.realvnc.com for information on VNC.
For third party acknowledgements see:
https://www.realvnc.com/docs/6/foss.html
OS: Microsoft Windows 11, version 22H2, x64
<14> 2023-01-31T17:57:47.903Z DESKTOP-V2UC4IG vncserver[4300]: LogDestMem: Start replaying stored messages
<14> 2023-01-31T17:57:47.903Z DESKTOP-V2UC4IG vncserver[4300]: Localize: Locales en_GB:en_US
<14> 2023-01-31T17:57:47.903Z DESKTOP-V2UC4IG vncserver[4300]: PlanMgr: Getting CloudConfig.pkg from built-in resource
<14> 2023-01-31T17:57:47.903Z DESKTOP-V2UC4IG vncserver[4300]: PlanMgr: Using business identifier 123456789
<14> 2023-01-31T17:57:47.903Z DESKTOP-V2UC4IG vncserver[4300]: PlanKeys: Setting no license key
<14> 2023-01-31T17:57:47.903Z DESKTOP-V2UC4IG vncserver[4300]: FeaturePlans: Using Home plan
<14> 2023-01-31T17:57:47.903Z DESKTOP-V2UC4IG vncserver[4300]: LogDestMem: Finished replaying stored messages
<14> 2023-01-31T17:57:47.903Z DESKTOP-V2UC4IG vncserver[4300]: main: Running service-mode server
<14> 2023-01-31T17:57:47.903Z DESKTOP-V2UC4IG vncserver[4300]: Service: Service dispatcher starting
<14> 2023-01-31T17:57:47.906Z DESKTOP-V2UC4IG vncserver[4300]: Service: set status to START_PENDING(2) [seq# 1]
<14> 2023-01-31T17:57:47.906Z DESKTOP-V2UC4IG vncserver[4300]: Service: set status to RUNNING(4) [seq# 2]
<13> 2023-01-31T17:57:47.907Z DESKTOP-V2UC4IG vncserver[4300]: ServerManager: Server started
<14> 2023-01-31T17:57:47.907Z DESKTOP-V2UC4IG vncserver[4300]: FeaturePlans: Using Home plan
<14> 2023-01-31T17:57:47.909Z DESKTOP-V2UC4IG vncserver[4300]: Configuration: AllowIpListenRfb=0 (Preference)
<14> 2023-01-31T17:57:47.909Z DESKTOP-V2UC4IG vncserver[4300]: Configuration: Authentication=VncAuth (Preference)
<14> 2023-01-31T17:57:47.909Z DESKTOP-V2UC4IG vncserver[4300]: Configuration: ConnNotifyTimeout=0 (Preference)
<14> 2023-01-31T17:57:47.909Z DESKTOP-V2UC4IG vncserver[4300]: Configuration: EnableAnalytics=1 (Preference)
<14> 2023-01-31T17:57:47.909Z DESKTOP-V2UC4IG vncserver[4300]: Configuration: IdleTimeout=0 (Preference)
<14> 2023-01-31T17:57:47.909Z DESKTOP-V2UC4IG vncserver[4300]: Configuration: Password=<binary> (Preference)
<14> 2023-01-31T17:57:47.914Z DESKTOP-V2UC4IG vncserver[4300]: AgentMgrService: sessionChange: 1 1
<14> 2023-01-31T17:57:47.920Z DESKTOP-V2UC4IG vncserver[4300]: SModuleCloudAccess: Beginning listening as [**********]
<14> 2023-01-31T17:57:47.920Z DESKTOP-V2UC4IG vncserver[4300]: HostedRegion: Using region USWest
<14> 2023-01-31T17:57:47.921Z DESKTOP-V2UC4IG vncserver[4300]: SModuleRsaKey: Using new key: *******
<14> 2023-01-31T17:57:47.930Z DESKTOP-V2UC4IG vncserver[4300]: SModuleCtrlCommsListen: listening on RealVNC.vncservice.vncserver.CtrlComms
<14> 2023-01-31T17:57:48.049Z DESKTOP-V2UC4IG vncserver[4300]: HostedDiscovery: Lookup for Discovery service failed: Hosted Discovery error: HTTP Unauthorized
<14> 2023-01-31T17:57:48.049Z DESKTOP-V2UC4IG vncserver[4300]: SModuleCloudAccess: Failed listening as [**********]: Hosted Discovery error: HTTP Unauthorized
<14> 2023-01-31T17:57:48.049Z DESKTOP-V2UC4IG vncserver[4300]: SModuleCloudAccess: Attempting refresh of stale credentials for **********

Lots of Googling has yielded nothing.

Can anybody help?

Thanks!