How To Fix /SAPTRX/ASC104 - Communication failure to RFC destination &1

/SAPTRX/ASC104 - Overview

• Message type: E = Error

• Message class: /SAPTRX/ASC -

• Message number: 104

• Message text: Communication failure to RFC destination &1

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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/SAPTRX/ASC104 - Details

• The SAP error message /SAPTRX/ASC104 Communication failure to RFC destination &1 indicates that there is a communication issue with the specified RFC (Remote Function Call) destination in your SAP system. This error can occur for various reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system defined in the RFC destination.
  Incorrect RFC Destination Configuration: The RFC destination may be incorrectly configured, including wrong hostnames, IP addresses, or ports.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  Target System Down: The target system may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls may be blocking the communication between the two systems.
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like