How To Fix MMPUR_CAT_EXTR_LGMSG149 - Unable to connect to connected system through the communication system

SAP Error Message - Details

• Message type: E = Error

• Message class: MMPUR_CAT_EXTR_LGMSG - Extractor Log Messages

• Message number: 149

• Message text: Unable to connect to connected system through the communication system

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 MMPUR_CAT_EXTR_LGMSG149 - Unable to connect to connected system through the communication system ?

  The SAP error message MMPUR_CAT_EXTR_LGMSG149 indicates that there is an issue with connecting to a connected system through the communication system. This error typically arises in scenarios involving the integration of SAP systems, such as when using SAP Supplier Relationship Management (SRM) or when trying to access external systems for procurement purposes.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the connected system.
  Configuration Errors: Incorrect configuration settings in the SAP system or the connected system can lead to communication failures.
  Authorization Issues: The user or system may not have the necessary authorizations to access the connected system.
  Service Availability: The connected system may be down or not available for communication.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication between the systems.
  Incorrect RFC Destination: The Remote Function Call (RFC) destination may be incorrectly configured or not set up.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that the network connection between the SAP system and the connected system is stable and operational.
  Use tools like ping or traceroute to verify connectivity.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings in both the SAP system and the connected system to ensure they are correct.
  Verify the settings in transaction SM59 for RFC destinations.
  
  
  
  Verify Authorizations:
  
  Ensure that the user or system has the necessary authorizations to access the connected system.
  Check user roles and permissions in both systems.
  
  
  
  Check System Availability:
  
  Confirm that the connected system is up and running. If it is down, coordinate with the relevant team to bring it back online.
  
  
  
  Firewall and Security Settings:
  
  Review firewall settings to ensure that they are not blocking the required ports for communication.
  Consult with your network/security team if necessary.
  
  
  
  Validate RFC Destination:
  
  In transaction SM59, check the configuration of the RFC destination for correctness.
  Test the connection from SM59 to see if it is successful.
  
  
  
  Check Logs:
  
  Review system logs (transaction SM21) and application logs (transaction SLG1) for any additional error messages that may provide more context.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to SAP documentation for details on configuring RFC connections and troubleshooting communication issues.
  Support: If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance.
  
  By systematically checking these areas, you should be able to identify and resolve the cause of the error message MMPUR_CAT_EXTR_LGMSG149.