How To Fix QL_COMMUNICATION064 - Error during instantiation of the XI proxy

SAP Error Message - Details

• Message type: E = Error

• Message class: QL_COMMUNICATION - Messages for Communication

• Message number: 064

• Message text: Error during instantiation of the XI proxy

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 QL_COMMUNICATION064 - Error during instantiation of the XI proxy ?

  The SAP error message QL_COMMUNICATION064 typically indicates an issue with the communication between the SAP system and an external system, particularly when instantiating an XI (Exchange Infrastructure) proxy. This error can arise due to various reasons, including configuration issues, network problems, or incorrect settings in the SAP system.
  Causes:
  
  Network Issues: There may be connectivity problems between the SAP system and the external system.
  Configuration Errors: Incorrect settings in the XI configuration or in the communication channel can lead to this error.
  Proxy Settings: The proxy settings in the SAP system may not be correctly defined or may be missing.
  Authorization Issues: The user or service account may not have the necessary permissions to access the external system.
  Service Unavailability: The external service that the proxy is trying to communicate with may be down or not reachable.
  Incorrect Endpoint: The endpoint URL for the proxy may be incorrect or not properly configured.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can reach the external system. You can use tools like ping or telnet to test connectivity.
  Review Configuration: Go through the XI configuration settings in the SAP system. Ensure that all parameters are correctly set, including the communication channel settings.
  Validate Proxy Settings: Check the proxy settings in the SAP system. Make sure that the proxy is correctly defined and that the endpoint URL is accurate.
  Check Authorizations: Verify that the user or service account has the necessary authorizations to access the external system.
  Monitor External Service: Ensure that the external service is up and running. Check logs or monitoring tools to confirm its availability.
  Review Logs: Check the SAP application logs (transaction SLG1) for more detailed error messages that can provide additional context about the issue.
  Test Communication: Use transaction SXMB_MONI to monitor and test the communication between the SAP system and the external system. This can help identify where the failure is occurring.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for XI/PI (Process Integration) for best practices on configuration and troubleshooting.
  Community Forums: Consider searching or posting in SAP community forums or SAP support channels for additional insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage SAP support for further assistance.