How To Fix GW761 - Communication system error; receive failed; check partner

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 761

• Message text: Communication system error; receive failed; check partner

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 GW761 - Communication system error; receive failed; check partner ?

  The SAP error message GW761 indicates a communication system error, specifically that the system failed to receive a response from a partner system. This error can occur in various scenarios, such as when using SAP Gateway, RFC (Remote Function Call), or when integrating with external systems.
  Causes of GW761 Error
  
  
  Network Issues: There may be network connectivity problems between the SAP system and the partner system. This could be due to firewalls, routing issues, or network outages.
  
  
  Configuration Errors: Incorrect configuration settings in the SAP system or the partner system can lead to communication failures. This includes incorrect RFC destination settings, gateway settings, or service configurations.
  
  
  Partner System Down: The partner system may be down or not responding due to maintenance, crashes, or other issues.
  
  
  Timeouts: If the response from the partner system takes too long, it may exceed the timeout settings configured in the SAP system.
  
  
  Authorization Issues: The user or service account used for the communication may not have the necessary authorizations to access the partner system.
  
  
  Protocol Mismatch: There may be a mismatch in the communication protocols being used (e.g., HTTP, HTTPS, RFC).
  
  
  Solutions to GW761 Error
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify connectivity to the partner system.
  Ensure that firewalls are not blocking the required ports.
  
  
  
  Review Configuration Settings:
  
  Check the RFC destination settings in transaction SM59 to ensure they are correctly configured.
  Verify the settings in the SAP Gateway (transaction SMGW) and ensure that the service is active.
  
  
  
  Monitor Partner System:
  
  Check if the partner system is up and running. If it is down, coordinate with the relevant team to resolve the issue.
  
  
  
  Adjust Timeout Settings:
  
  If timeouts are an issue, consider increasing the timeout settings in the relevant configuration (e.g., in the RFC destination).
  
  
  
  Check Authorizations:
  
  Ensure that the user or service account has the necessary authorizations to perform the required operations.
  
  
  
  Protocol Verification:
  
  Verify that both systems are using compatible communication protocols and that any required certificates (for HTTPS) are correctly installed.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM59: To check and configure RFC destinations.
  SMGW: To monitor the SAP Gateway and check for any issues.
  SICF: To manage HTTP services and check their status.
  
  
  
  Logs and Traces:
  
  Check the system logs (transaction SM21) for any related error messages.
  Use transaction ST22 to check for dumps that may provide more context on the error.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the GW761 error.
  
  
  By following these steps, you should be able to diagnose and resolve the GW761 communication system error in your SAP environment.