How To Fix CNV_10100104 - RFC connection to control system not available; return code(SY-SUBRC)= &1

CNV_10100104 - Overview

• Message type: E = Error

• Message class: CNV_10100 - Messages from package 10100

• Message number: 104

• Message text: RFC connection to control system not available; return code(SY-SUBRC)= &1

What causes this issue?

The system requires an RFC connection to the control system.

System Response

The program aborts due to the RFC error.

How to fix this error?

Check your RFC settings.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

CNV_10100104 - Details

• The SAP error message CNV_10100104 indicates that there is an issue with the Remote Function Call (RFC) connection to the control system. The return code (SY-SUBRC) provides additional information about the nature of the problem. 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 system and the control system.
  RFC Destination Configuration: The RFC destination may not be correctly configured in the SAP system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Control System Down: The control system may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls may be blocking the connection between the two systems.
  Incorrect Parameters: The parameters set in the RFC destination may be incorrect or incomplete.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the control system is reachable from