How To Fix CNVMBTRFC135 - Next message refers to connection from &1 to &2 with destination &3

CNVMBTRFC135 - Overview

• Message type: E = Error

• Message class: CNVMBTRFC - Messages used in RFC Management and its objects

• Message number: 135

• Message text: Next message refers to connection from &1 to &2 with destination &3

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.

What else can you do?

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CNVMBTRFC135 - Details

• The SAP error message CNVMBTRFC135 typically indicates an issue with the Remote Function Call (RFC) connection between two systems. This error is often encountered during data migration or when using the SAP Landscape Transformation (SLT) tool, particularly in scenarios involving data transfer between different SAP systems.
  
  Cause:
  The error message CNVMBTRFC135 suggests that there is a problem with the RFC connection from one system (source) to another (target). The specific causes can include:
  
  Network Issues: There may be network connectivity problems between the two systems.
  RFC Destination Configuration: The RFC destination might not be correctly configured in the SAP system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  System Availability: The target system may be down or not reachable.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection.
  Incorrect Parameters: The parameters set in the RFC destination might be incorrect.
  
  
  Solution:
  To resolve the CNVMBTRFC135 error, you can follow these