How To Fix 0D646 - RFC not started due to system error &1

0D646 - Overview

• Message type: E = Error

• Message class: 0D - FS-CD General Messages

• Message number: 646

• Message text: RFC not started due to system error &1

What causes this issue?

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?

INCLUDE NA_SYSADMIN1 OBJECT DOKU ID TX LANGUAGE EN

Error message extract from SAP system. Copyright SAP SE.

0D646 - Details

• The SAP error message "0D646 RFC not started due to system error &1" typically indicates that there is an issue with the Remote Function Call (RFC) connection in the SAP system. This error can arise due to various reasons, including configuration issues, system resource problems, or network issues.
  Causes:
  
  
  Configuration Issues: Incorrect settings in the RFC destination or in the SAP system configuration can lead to this error.
  System Resource Problems: Insufficient memory, CPU, or other system resources can prevent the RFC from starting.
  Network Issues: Problems with network connectivity between the SAP systems can also cause this error.
  Authorization Issues: The user or service account may not have the necessary permissions to establish the RFC connection.
  Background Jobs: If there are background jobs that are consuming too many resources, it may prevent the RFC from starting.
  System Errors: General system errors or inconsistencies in the SAP environment can also lead to this issue.
  
  Solutions:
  
  
  Check RFC Configuration:
  
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