How To Fix USMD6136 - RFC communication error

USMD6136 - Overview

• Message type: E = Error

• Message class: USMD6 - Messages for Data Transfer

• Message number: 136

• Message text: RFC communication 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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USMD6136 - Details

• The SAP error message USMD6136, which indicates an "RFC communication error," typically arises during Remote Function Call (RFC) communication between SAP systems or between an SAP system and an external system. This error can occur for various reasons, and understanding the cause is essential for troubleshooting.
  Causes of USMD6136 RFC Communication Error
  
  
  Network Issues: Problems with the network connection between the systems can lead to communication failures. This could be due to firewalls, routing issues, or network outages.
  
  
  Configuration Errors: Incorrect configuration of RFC destinations in the SAP system can lead to communication errors. This includes incorrect settings in transaction SM59.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to perform the requested operation.
  
  
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  
  
  Timeouts: If the RFC call takes too long to respond, it may time out, leading to this