How To Fix DMC_RT_GEN011 - RFC connection error (destination &1, function module &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_GEN - DMC: Nachrichten der Generierungfunktionen

• Message number: 011

• Message text: RFC connection error (destination &1, function module &2)

What causes this issue?

Executing an RFC-call a communication error took place.
The called module is named &V2&<(>&<)>V2<(>&<)>.
It has been called by the RFC-destination &V1&<(>&<)>V1<(>&<)>.

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

System Response

How to fix this error?

Check the error message of the following line.

Procedure for System Administrators

None

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_GEN011 - RFC connection error (destination &1, function module &2) ?

  The SAP error message DMC_RT_GEN011 indicates an RFC (Remote Function Call) connection error. This error typically occurs when there is an issue with the connection to a remote system or when a specific function module cannot be accessed. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems.
  Incorrect RFC Destination: The RFC destination specified may be incorrect or not properly configured.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to execute the function module.
  Function Module Not Available: The specified function module may not exist in the target system or may not be activated.
  System Configuration: The target system may not be configured correctly to accept RFC calls.
  Firewall Restrictions: Firewalls or security settings may be blocking the RFC connection.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Verify the configuration of the RFC destination (check the connection type, target host, and service).
  Test the connection using the "Connection Test" button.
  
  
  
  Verify Network Connectivity:
  
  Ensure that the network connection between the systems is stable and operational.
  Use tools like ping or traceroute to check connectivity.
  
  
  
  Check Authorizations:
  
  Ensure that the user ID used for the RFC connection has the necessary authorizations to call the function module.
  Review the roles and profiles assigned to the user.
  
  
  
  Function Module Availability:
  
  Check if the function module exists in the target system by using transaction SE37 or SE80.
  Ensure that the function module is active and not in a transport state.
  
  
  
  Review System Configuration:
  
  Ensure that the target system is configured to accept RFC calls.
  Check the settings in transaction RZ10 for profile parameters related to RFC.
  
  
  
  Firewall and Security Settings:
  
  Check if there are any firewall rules that might be blocking the RFC connection.
  Consult with your network/security team to ensure that the necessary ports are open.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to RFC connection issues for any specific patches or updates that may resolve the issue.
  Logs: Review the system logs (transaction SM21) and the developer trace (transaction ST11) for more detailed error messages that can provide additional context.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the DMC_RT_GEN011 RFC connection error effectively.