How To Fix CMS032 - Error in RFC communication

SAP Error Message - Details

• Message type: E = Error

• Message class: CMS - KPro: Content Management Service

• Message number: 032

• Message text: Error in RFC communication

What causes this issue?

An unexpected exception was triggered when you called ARCHIV_REQUEST.
&v1&
&v2&

System Response

The function cannot be executed.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMS032 - Error in RFC communication ?

  The SAP error message CMS032, which indicates "Error in RFC communication," typically arises when there is a problem with the Remote Function Call (RFC) communication between SAP systems or between an SAP system and an external system. This error can occur in various scenarios, such as during data transfer, when calling remote functions, or when accessing remote systems.
  Causes of CMS032 Error
  
  Network Issues: Problems with the network connection between the systems can lead to communication failures.
  RFC Destination Configuration: Incorrect configuration of the RFC destination in the SAP system can cause this error. This includes incorrect connection parameters, such as the target system's IP address, port, or user credentials.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to perform the requested operation.
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls or security settings may block the communication between the systems.
  SAP Kernel or Software Bugs: Occasionally, bugs in the SAP kernel or related software can lead to RFC communication errors.
  
  Solutions to CMS032 Error
  
  Check Network Connectivity: Ensure that the network connection between the systems is stable and that there are no issues with the network infrastructure.
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination that is causing the error.
  Ensure that the connection parameters (such as the target system's hostname, service, and user credentials) are correct.
  Test the connection using the "Connection Test" option in SM59.
  
  
  Review User Authorizations: Ensure that the user credentials used for the RFC connection have the necessary authorizations to perform the required actions.
  Check System Status: Verify that the target system is up and running. You can do this by trying to log in to the target system or checking its status in the SAP system landscape.
  Firewall and Security Settings: Ensure that firewalls or security settings are not blocking the required ports for RFC communication. Consult with your network/security team if necessary.
  Review SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address known issues or bugs related to RFC communication.
  Check Logs: Review the system logs (transaction SM21) and the developer trace files (transaction ST11) for any additional error messages or clues that may help diagnose the issue.
  
  Related Information
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  ST11: Developer Traces
  
  
  SAP Notes: Search for specific SAP Notes related to RFC communication issues in the SAP Support Portal.
  Documentation: Refer to the official SAP documentation for detailed information on configuring and troubleshooting RFC connections.
  
  If the issue persists after following these steps, it may be necessary to engage SAP support or your internal IT team for further investigation.