How To Fix /TMF/TDS012 - RFC connection error. & & & &

/TMF/TDS012 - Overview

• Message type: E = Error

• Message class: /TMF/TDS -

• Message number: 012

• Message text: RFC connection error. & & & &

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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/TMF/TDS012 - Details

• The SAP error message /TMF/TDS012 RFC connection error typically indicates an issue with the Remote Function Call (RFC) connection between SAP systems or between an SAP system and an external system. This error can arise due to various reasons, including network issues, configuration problems, or authorization issues.
  Causes:
  
  
  Network Issues: Problems with the network connection between the systems can lead to RFC connection errors. This could be due to firewalls, routing issues, or network outages.
  
  
  Configuration Errors: Incorrect configuration of the RFC destination in the SAP system can cause connection failures. This includes incorrect settings in transaction SM59.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  
  
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  
  
  SAP Gateway Issues: Problems with the SAP Gateway service on either the source or target system can lead to connection