How To Fix /IWBEP/CM_EQ001 - RFC call was not successful because of communication failure '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_EQ -

• Message number: 001

• Message text: RFC call was not successful because of communication failure '&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.

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 /IWBEP/CM_EQ001 - RFC call was not successful because of communication failure '&1' ?

  The SAP error message /IWBEP/CM_EQ001 RFC call was not successful because of communication failure '&1' typically indicates that there was a problem with the Remote Function Call (RFC) communication between the SAP system and another system or service. This can occur in various scenarios, such as when using SAP Gateway or when trying to access external services.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system (e.g., incorrect IP address, port, or credentials).
  Service Unavailability: The target service or system may be down or not reachable.
  Firewall Restrictions: Firewalls may be blocking the communication between the systems.
  Timeouts: The request may be timing out due to long processing times or network latency.
  Authorization Issues: The user or service account may not have the necessary permissions to perform the RFC call.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the SAP system can reach the target system.
  Ensure that there are no network outages or issues.
  
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination.
  Test the connection from SM59 to ensure it is working correctly.
  
  
  
  Check Service Availability:
  
  Ensure that the target service or system is up and running.
  If applicable, check the logs of the target system for any errors.
  
  
  
  Review Firewall Settings:
  
  Ensure that the necessary ports are open and that there are no firewall rules blocking the communication.
  
  
  
  Increase Timeout Settings:
  
  If timeouts are an issue, consider increasing the timeout settings in the RFC destination configuration.
  
  
  
  Check User Authorizations:
  
  Ensure that the user or service account used for the RFC call has the necessary authorizations to access the target system.
  
  
  
  Review SAP Gateway Logs:
  
  Check the SAP Gateway logs for more detailed error messages that may provide additional context about the failure.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destination Configuration
  SLG1: Application Log for troubleshooting
  SICF: Check the status of HTTP services
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC communication failures.
  Documentation: Review SAP documentation related to RFC and Gateway configurations for best practices and troubleshooting steps.
  
  If the issue persists after following these steps, it may be beneficial to engage with your SAP Basis team or SAP support for further assistance.