How To Fix TG797 - Number of application servers: &

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 797

• Message text: Number of application servers: &

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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Smart SAP Assistant

• What is the cause and solution for SAP error message TG797 - Number of application servers: & ?

  The SAP error message TG797 typically indicates an issue related to the number of application servers configured in your SAP system. This error can occur when the number of application servers exceeds the limit set in the system configuration or when there is a mismatch in the configuration.
  Cause:
  
  Configuration Limit: The number of application servers configured in the system exceeds the maximum allowed limit.
  Network Issues: There may be network connectivity issues that prevent the system from recognizing all application servers.
  System Parameters: Incorrect system parameters or settings in the instance profile may lead to this error.
  Load Balancing Issues: Problems with load balancing configurations can also trigger this error.
  
  Solution:
  
  
  Check Configuration: Review the configuration settings in the SAP system to ensure that the number of application servers is within the allowed limits. You can check this in the instance profile or through transaction codes like RZ10 or RZ11.
  
  
  Adjust Parameters: If necessary, adjust the parameters related to the number of application servers. For example, you may need to modify the rdisp/mshost and rdisp/msserv parameters to ensure proper configuration.
  
  
  Network Connectivity: Verify that all application servers are properly connected to the network and can communicate with each other. Check for any firewall or routing issues that may be affecting connectivity.
  
  
  Load Balancer Configuration: If you are using a load balancer, ensure that it is correctly configured to distribute the load among the application servers.
  
  
  Restart Services: Sometimes, simply restarting the SAP services or the application servers can resolve temporary issues.
  
  
  Check Logs: Review the system logs (transaction SM21) and developer traces (transaction ST22) for any additional error messages or warnings that may provide more context about the issue.
  
  
  Consult Documentation: Refer to SAP Notes or the official SAP documentation for any specific guidance related to the TG797 error message.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Monitoring: Use transaction codes like SM50 or SM66 to monitor the status of application servers and their workloads.
  
  If the issue persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.