How To Fix SCTC_SC181 - No application servers found for logon group &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SCTC_SC - CTC System Copy

• Message number: 181

• Message text: No application servers found for logon group &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SCTC_SC181 - No application servers found for logon group &1 ?

  The SAP error message SCTC_SC181, which states "No application servers found for logon group &1," typically indicates that the SAP system is unable to find any available application servers for the specified logon group. This can occur for several reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Logon Group Configuration: The logon group specified may not be correctly configured or may not have any active application servers assigned to it.
  Application Server Availability: All application servers in the logon group may be down or not available due to maintenance, network issues, or other reasons.
  Network Issues: There may be network connectivity issues preventing the client from reaching the application servers.
  System Configuration: The SAP system may not be properly configured to recognize the application servers or logon groups.
  Load Balancing Issues: If using a load balancer, it may not be correctly routing requests to the available application servers.
  
  Solutions:
  
  
  Check Logon Group Configuration:
  
  Go to transaction code SMLG to check the configuration of the logon group. Ensure that the logon group exists and has application servers assigned to it.
  Verify that the application servers in the logon group are active and available.
  
  
  
  Check Application Server Status:
  
  Use transaction code SM51 to view the list of application servers and their statuses. Ensure that the servers are up and running.
  If any servers are down, investigate the reason (e.g., system maintenance, crashes) and resolve the issue.
  
  
  
  Network Connectivity:
  
  Check network connectivity between the client and the application servers. Ensure that there are no firewall rules or network issues blocking access.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction code SM21) for any errors or warnings that might indicate issues with the application servers or logon groups.
  
  
  
  Load Balancer Configuration:
  
  If using a load balancer, verify its configuration to ensure it is correctly routing requests to the available application servers.
  
  
  
  Restart Services:
  
  If necessary, restart the affected application servers or the entire SAP system to resolve any transient issues.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to SCTC_SC181 for any specific patches or updates that may address this issue.
  Documentation: Review SAP documentation on logon groups and application server configuration for best practices.
  Support: If the issue persists, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the SCTC_SC181 error in your SAP environment.