KB13177: ‘UnexpectedError: Automation error the server threw an exception’ error occurs when starting the Execution Engine inside MicroStrategy Narrowcast Server 9.x Administrator

SYMPTOM:
When a user starts the Execution Engine inside the Strategy Narrowcast Server 9.x Administrator, the following error occurs:
 

 
UnexpectedError: Automation error
The server threw an exception.
CAUSE:
This error is caused by an incorrect user name or password supplied to the Strategy Execution Engine Service inside the Windows Service Manager.
 
ACTION:
Follow the steps below to resolve this issue:
 

• Open Windows Service Manager and locate the Strategy Execution Engine Service, as shown below:
  

• Double-click on the service to open the service properties window, and navigates to the 'Log On' tab. Re-enter the user name and password used to start the service. Then apply and save the setting, as shown below:
  

• Restart the Strategy Execution Engine Service. Now if the user opens Strategy Narrowcast Server 9.x Administrator, the Execution Engine should be started, as shown below:
  

13177