How To Fix RT155 - Startup method error: &1 (method dispatcher: &2, Time: &3, Status: &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 155

• Message text: Startup method error: &1 (method dispatcher: &2, Time: &3, Status: &4)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT155 - Startup method error: &1 (method dispatcher: &2, Time: &3, Status: &4) ?

  The SAP error message RT155, which indicates a "Startup method error," typically arises during the startup of an SAP system or instance. This error can be related to various issues, including configuration problems, resource availability, or issues with the method dispatcher.
  Causes:
  
  Configuration Issues: Incorrect configuration settings in the instance profile or the system parameters can lead to startup errors.
  Resource Availability: Insufficient system resources (CPU, memory, disk space) can prevent the instance from starting properly.
  Method Dispatcher Issues: The method dispatcher may not be functioning correctly, which can be due to a bug, misconfiguration, or corruption.
  Network Issues: Problems with network connectivity or DNS resolution can also lead to startup failures.
  Database Issues: If the database is not accessible or has issues, it can prevent the SAP instance from starting.
  
  Solutions:
  
  Check Logs: Review the developer trace files (dev_* files) and the system logs (SM21) for more detailed error messages that can provide insights into the root cause.
  Verify Configuration: Ensure that the instance profile and other configuration settings are correct. You can use transaction RZ10 to check and modify instance profiles.
  Resource Check: Monitor system resources to ensure that there is enough CPU, memory, and disk space available. Use tools like OS monitoring or transaction ST06.
  Restart Method Dispatcher: If the method dispatcher is not functioning, try restarting it. You can do this through the SAP Management Console (SAP MC) or by using command line tools.
  Database Connectivity: Check the database connection settings and ensure that the database is up and running. Use transaction DBACOCKPIT to monitor database status.
  Network Configuration: Verify network settings, including hostname resolution and firewall settings, to ensure that the SAP instance can communicate with necessary services.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the RT155 error. You can search the SAP Support Portal for notes related to your specific version of SAP.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation for your version to understand the startup process and any specific requirements or configurations.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.