Fusion service not loading, started and then stopped, 1920 or 1053 error; Certificate corruption

Potential Symptoms

  • When launching Venus 1500, it goes right to Username/Password prompt, and it never did before.
  • Could see when launching Venus 1500, it will show Starting Fusion Service...but it just hangs there without generating an error or UN/PW prompt.
  • The Daktronics Fusion Service will not start and keep receiving the following error:
    • The Daktronics Fusion service on Local Computer started and then stopped. Some services stop automatically if they are not in use by other services or programs4-23-2013 1-59-35 PM.jpg
  • Fusion service event log show following Certificate error in the event logs:
    • InvalidOperationException: No matching SSL Certificate found4-25-2013 1-15-48 PM.jpg
  • When following the article that the Daktronics Fusion Service is not installed, DD2504782, you may receive the following error:
    • Error 1920. Service Daktronics Fusion (Daktronics.Fusion) failed to start. Verify that you have sufficient privileges to start system services.

4-23-2013 2-09-36 PM.jpg 

    • May also receive Error: 1053: The service did not respond to the start or the control request in a timely fashion.
  • Could also get error 'The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.
  • Venus getting stuck on "Nucleus Service Loading".


  • Product Family: Software
  • Product:
  • Component:
  • Control System: Venus 1500 v4.18.1 and greater, Daktronics Fusion


  • There is an issue in Fusion that if you have any type of certificates in the Personal folder that match the computer name it will cause corruption.
Additional way to confirm if the issue is present:
  1. Go to following folder location:
    • Windows 32-bit System: C:\Program Files\Daktronics\Fusion
    • Windows 64-bit System: C:\Program Files (x86)\Daktronics\Fusion
  2. Right-click on FusionServiceHost.exe and click Run as Administrator.
  3. You will see the following error within the FusionServiceHost.exe:
    • Found multiple SSL certificates issue for 'Computer Name'FusionCertHostexe.png


  1. Go to Windows Start Menu:
    • Windows XP - Click Run, type MMC and hit [Enter].
    • Windows Vista or 7 - In the Search Programs and Files, type MMC, select MMC from filtered Start Menu.
    • Windows 8 - Hover to bottom right of desktop, click Magnify Glass, type MMC and hit [Enter].
    • Windows 10 - Click the start button, type MMC and hit enter
  2. From the MMC Console, click File -> Add/Remove Snap-in.
  3. Under Available snap-ins menu, select Certificates and click Add > to push to Selected snap-ins menu.
  4. From the Pop-up window, select Computer Account and click Next.
  5. Leave on or select Local Computer and click Finish.
  6. Click Ok.
  7. In the Left side panel, under Console Root, double-click on Certificates (Local Computer).
  8. Double-click on Personal -> Certificates.
  9. Do you see any certificates by any publisher (other than Daktronics Fusion) listed that show the computer name?
  10. Yes - Drag and drop any/all certificates from Personal down to an empty folder such as Trusted People or Other People. (Double click the other folders to make sure they are empty before dropping other certificates in there.

6-20-2018 11-24-31 AM.png

  • No - Run a repair on Fusion and check if certificate is showing after repair.
  1. Once Certificates are dragged to a different folder, go to Services, locate and restart or start Daktronics Fusion service.
  2. Follow How do I manually start/restart or stop the Daktronics Fusion and Nucleus Server and SQL Server? DD2236444
  3. Check in the Personal/Certificates folder to make sure the Daktronics Fusion CA certificate generated.
  4. You will need to click the refresh button to refresh the view in the MMC ConsoleDD2535149 3.jpg
  5. If the Daktronics Fusion CA appears in the folder, drag the other certificates that you moved, back into the Personal/Certificates folder.
  6. If the Certificate does not generate after starting/restarting Fusion service, attempt to run a repair on Fusion.
  7. Once certificates are all in place, close MMC and try and launching Venus 1500 v4.

KB ID: DD2535149

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