How To Fix 0D641 - Posting transfer cannot be started: RFC is active

0D641 - Overview

• Message type: E = Error

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

• Message number: 641

• Message text: Posting transfer cannot be started: RFC is active

What causes this issue?

When the start prerequisites for posting data transfer were checked, an
RFC was found to be active.

System Response

Posting data transfer was not started.

How to fix this error?

Procedure for System Administrators

Restart the program as soon as the RFC finishes. If this does not work:
INCLUDE NA_SYSADMIN1 OBJECT DOKU ID TX LANGUAGE EN

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 0D641 - Posting transfer cannot be started: RFC is active ?

  The SAP error message 0D641 ("Posting transfer cannot be started: RFC is active") typically occurs in the context of the SAP system when there is an issue with the Remote Function Call (RFC) interface. This error indicates that the system is unable to initiate a posting transfer because the RFC connection is currently active, which may lead to conflicts or issues in processing.
  Causes:
  
  Active RFC Connections: The error often arises when there are existing active RFC connections that are preventing new posting transfers from being initiated.
  System Lock: The system may be locked due to ongoing processes or transactions that are using the RFC interface.
  
  Configuration Issues: There may be misconfigurations in the RFC settings or in the related modules that handle posting transfers.
  Network Issues: Network connectivity problems can also lead to issues with RFC connections, causing the system to be unable to process requests.
  
  Solutions:
  
  
  Check Active RFC Connections:
  
  Use transaction code SM58 to check