Wyse 5070 Windows 10 IoT and VMware Horizon 8 – SLL connection was shut down while reading

Wyse 5070 Windows 10 IoT and VMware Horizon 8 – SLL connection was shut down while reading

When user is connected to the virtual desktop via VMware Horizon client, the session is randomly disconnected with error message – SSL connection was shutdown while reading

The infrastructure of VDI

  • WYSE 5070 with Win 10 Enterprise LTSC 10.04.06.05.22.00
  • 44 thin clients
  • latest WDA – 14.6.9.21
  • VMware Horizon Client – 8.5.0.26981 (delivered with Windows IMAGE) 
  • Wyse Management Suite 3.9 latest hotfix 
  • VMware Horizon Connection server – 8.10.0 build – 21972440
  • VMware vSphere on the latest 8.0.1 
  • Windows 10 22H2 with latest VMtools and Horizon Agent same version like connection server. 
  • Horizon connection certificate and domain CA deployed via WMS console to all 44 wyse clients. 
  • Im using VMware KIOS mode 

The VMware Horizon Client log: 

CdkTunnelClient_DisconnectCb: TUNNEL INTERRUPTED: SSL connection was shut down while reading

Tunnel disconnected with reason: SSL connection was shut down while reading

Cdk::ErrorCallback:869: The task 'CdkTunnelTask' failed with error: SSL connection was shut down while reading (domain=54, code=6).

TunnelNetwworkInterrupted:948 Encountered tunnel error: SSL connection was shut down while reading

 

My working solution: 

  • Download latest VMware Horizon Client to fileshare, which is accessible from WYSE
  • login as administrator to Windows on WYSE
  • disable Unified Write Filter and reboot WYSE
  • login as administrator to Windows on WYSE 
  • copy latest Horizon Client from fileshare to some folder – for example Downloads
  • run Horizon Client upgrade from 8.5.0 > 8.10 > restart later 
  • enable Unified Write Filter and reboot WYSE 
  • in the WMS go to the Groups and Config > select the policy, where is your WYSE 
  • in wyse easy setup > Applications (because we upgraded the client, the KIOS is blank, we have to specify the application manually.  
    • Application Name – VMware Horizon
    • Application Location – „C:\Program Files\VMware\VMware Horizon View Client\vmware-view.exe“
    • Application Arguments – „-file C:\Users\User\Documents\VMware\Config.txt
  • Save and Publish policy 

 

After this steps, the connection to VDI is stable and working more than 24h

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