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Article - CS326950

Unable to register an instance on ThingWorx Solution Central even though the pre-registration was successful

Modified: 28-Aug-2025   


Applies To

  • ThingWorx Solution Central 8.5
  • ThingWorx Platform 8.5 to 9.3

Description

  • Unable to register server on Solution Central
  • Getting an error when trying to connect to solution central
    • ERROR] [O: c.t.w.Subsystems] [I: ] [U: <username>] [S: ] [P: ] [T: https-jsse-nio-8443-exec-2] 
Unable to Invoke Service RegisterOrUpdateInstance on SolutionCentralSubsystem : Unable to fetch Access Token, check logs for details
  • Pre-registration is successful
  • Attempts to register ThingWorx instance on Solution Central returns error in browser: 
    • Registration failed: Preregister the instance ID of this ThingWorx instance before attempting to register it with Solution Central
  • \ThingworxStorage\logs\ApplicationLog.log shows errors: 
    • [L: ERROR] [O: c.t.s.s.s.SolutionCentralSubsystem] [I: ] [U: <User>] [S: ] [P: ] [T: https-jsse-nio-8443-exec-4] Unable to fetch Access Token - Reason : com.microsoft.aad.adal4j.AuthenticationException: {"error_description":"AADSTS700016: Application with identifier '<ID>' was not found in the directory 'PTC Cloud Solution Central'. This can happen if the application has not been installed by the administrator of the tenant or consented to by any user in the tenant. You may have sent your authentication request to the wrong tenant.\r\nTrace ID: <ID>\r\nCorrelation ID: <ID>\r\nTimestamp: <Time>","error":"unauthorized_client","error_uri":"https:\/\/login.microsoftonline.com\/error?code=700016"}
[L: ERROR] [O: c.t.s.s.s.SolutionCentralSubsystem] [I: ] [U: <User>] [S: ] [P: ] [T: https-jsse-nio-8443-exec-4] Unable to verify Thingworx instance in Azure Active Directory, max retries = 3
[L: ERROR] [O: c.t.s.s.s.SolutionCentralSubsystem] [I: ] [U: <User>] [S: ] [P: ] [T: https-jsse-nio-8443-exec-4] Setting isEnabled to false due to exception encountered while trying to register with SolutionCentral : Registration is not completed successfully. Try "Update Registration" functionality after some time.
  
  • Registration failed - Reason : Preregister the instance ID of this ThingWorx instance before attempting to register it with Solution Central, StatusCode: 403

 
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