How To Fix TN557 - SAP system must be restarted on all application servers

SAP Error Message - Details

• Message type: E = Error

• Message class: TN - Support Package Manager (SPAM) Messages

• Message number: 557

• Message text: SAP system must be restarted on all application servers

What causes this issue?

The system was brought up to a higher system release by importing the
OCS Queue. The SAP system must be restarted to make this change fully
operational.

System Response

The import process stops until the SAP system has been restarted on all
application servers.

How to fix this error?

Stop and start the SAP system on all related application servers, then
you can continue with and complete the import.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TN557 - SAP system must be restarted on all application servers ?

  The SAP error message TN557 indicates that the SAP system must be restarted on all application servers. This error typically arises due to issues related to the transport directory, inconsistencies in the system, or problems with the transport management system (TMS). Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Transport Directory Issues: Problems with the transport directory can lead to inconsistencies that require a system restart.
  TMS Configuration Problems: Misconfigurations in the Transport Management System can trigger this error.
  System Inconsistencies: If there are inconsistencies in the application servers or if one of the servers is not responding correctly, it may necessitate a restart.
  Database Issues: Sometimes, underlying database issues can cause the application servers to behave unexpectedly.
  Kernel or Patch Issues: If there are issues with the SAP kernel or if patches have not been applied correctly, it may lead to this error.
  
  Solutions:
  
  Restart the SAP System: The primary solution is to restart the SAP system on all application servers. This can often resolve temporary inconsistencies.
  
  Use the SAP Management Console (SAP MC) or the command line to perform the restart.
  
  
  Check Transport Directory: Verify the transport directory for any inconsistencies or issues. Ensure that the transport paths are correctly configured.
  Review TMS Configuration: Check the TMS configuration to ensure that all application servers are correctly set up and that there are no misconfigurations.
  Check System Logs: Review the system logs (transaction SM21) for any related error messages that could provide more context on the issue.
  Database Check: Perform a database check to ensure that there are no underlying issues affecting the application servers.
  Kernel and Patch Updates: Ensure that the SAP kernel and any relevant patches are up to date. If necessary, apply the latest patches and updates.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to TN557 for any specific guidance or updates from 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: Refer to the official SAP documentation for transport management and system administration for best practices and troubleshooting steps.
  
  Preventive Measures:
  
  Regularly monitor the transport directory and TMS configuration.
  Keep the SAP system and its components updated with the latest patches.
  Implement a robust backup and recovery strategy to minimize downtime in case of issues.
  
  If the problem persists after following these steps, it may be necessary to contact SAP support for further assistance.