How To Fix CNV_PE_CHECK392 - Connection error for RFC destination &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_CHECK - Check Framework messages for posting engine

• Message number: 392

• Message text: Connection error for RFC destination &1

Self-Explanatory Message

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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 CNV_PE_CHECK392 - Connection error for RFC destination &1 ?

  The SAP error message CNV_PE_CHECK392 indicates a connection error for a Remote Function Call (RFC) destination. This error typically arises when there is an issue with the configuration or connectivity of the RFC destination specified in the error message.
  Causes:
  
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system.
  Network Issues: There may be network connectivity issues between the SAP systems involved.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  Firewall Restrictions: Firewalls may be blocking the required ports for RFC communication.
  System Availability: The target system may be down or not reachable.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination mentioned in the error message.
  Verify that the configuration settings (such as the target host, system number, and client) are correct.
  
  
  
  Test the Connection:
  
  In transaction SM59, select the RFC destination and use the "Connection Test" option to check if the connection can be established successfully.
  
  
  
  Check Network Connectivity:
  
  Ensure that the network connection between the systems is stable and that there are no issues with DNS resolution.
  Use tools like ping or telnet to check connectivity to the target system.
  
  
  
  Review User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  
  
  
  Check SAP Gateway:
  
  Ensure that the SAP Gateway service is running on the target system. You can check this using transaction SMGW.
  
  
  
  Firewall Configuration:
  
  Verify that any firewalls between the systems are configured to allow traffic on the required ports for RFC communication (typically port 3200 for SAP).
  
  
  
  System Availability:
  
  Check if the target system is up and running. If it is down, you may need to contact your system administrator.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations (Display/Maintain)
  SMGW: Gateway Monitor
  SM21: System Log (to check for any related errors)
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to RFC connections.
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring and troubleshooting RFC connections.
  
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_PE_CHECK392 error. If the issue persists, consider reaching out to your SAP Basis team or SAP support for further assistance.