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Blocking error during installation: "The Transaction Manager is not available."

  • Feb 16, 2021 10:59 AM UTC
  • Nov 20, 2025 12:29 PM UTC
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  • Nintex Employee

Issue

 

The following error is logged when trying to install K2:

 

RegisterServicedComponent.Execute: Logged Error: EventBus register failed, please register assemblies manually: C:Program FilesK2Host ServerBinSourceCode.EventBus.EventAdmin.dll: The Transaction Manager is not available.

 

RegisterServicedComponent.Execute: Logged Error: EventBus register failed, please register assemblies manually: C:Program FilesK2Host ServerBinSourceCode.EventBus.Scheduler.ScheduleAdmin.dll: The Transaction Manager is not available.

 

Resolution

 

Ensure the windows service "Distributed Transaction Coordinator" in K2 App and K2 Database servers are running.

 

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