How To Fix TQ354 - Unable to start the system, rc=&

SAP Error Message - Details

• Message type: E = Error

• Message class: TQ - SAPup Messages

• Message number: 354

• Message text: Unable to start the system, rc=&

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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 TQ354 - Unable to start the system, rc=& ?

  The SAP error message TQ354 "Unable to start the system, rc=&" typically indicates that there is an issue preventing the SAP system from starting up properly. The "rc=&" part of the message usually refers to a return code that can provide more specific information about the nature of the problem.
  Possible Causes:
  
  Configuration Issues: Incorrect configuration settings in the instance profile or other configuration files can prevent the system from starting.
  Missing or Corrupted Files: Essential files required for the SAP system to start may be missing or corrupted.
  Database Issues: Problems with the database, such as it being down or not accessible, can lead to this error.
  Insufficient Resources: Lack of system resources (CPU, memory, disk space) can cause the startup process to fail.
  Network Issues: Problems with network connectivity can prevent the SAP system from communicating with necessary services or databases.
  Authorization Issues: The user trying to start the system may not have the necessary permissions.
  
  Solutions:
  
  Check the SAP System Logs: Review the logs in the dev_* files (e.g., dev_w0, dev_r0) located in the work directory of the instance. These logs can provide more detailed information about what went wrong.
  Review the Instance Profile: Ensure that the instance profile is correctly configured and that all necessary parameters are set.
  Database Status: Verify that the database is up and running. Check the database logs for any errors.
  Resource Availability: Check the server's resource usage (CPU, memory, disk space) to ensure that there are sufficient resources available for the SAP system to start.
  Network Configuration: Ensure that the network settings are correct and that the SAP system can communicate with the database and other required services.
  Permissions: Make sure that the user account used to start the SAP system has the necessary permissions.
  
  Related Information:
  
  
  Return Codes: The specific return code (rc) can provide additional context. Common return codes include:
  
  0: Success
  1: General error
  2: Configuration error
  3: Database connection error
  Check SAP documentation or support for specific meanings of return codes.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  If the problem persists after checking these areas, consider reaching out to SAP support for further assistance.