How To Fix B1601 - RFC destination & for port & is not available

B1601 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 601

• Message text: RFC destination & for port & is not available

What causes this issue?

The port &v2& refers to the destination &v1& for the Remote Function
Call (RFC). This destination does not exist.

How to fix this error?

Either specify the missing destination using transaction SM59 or change
the destination in the port description.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1601 - RFC destination & for port & is not available ?

  The SAP error message B1601 indicates that there is an issue with the RFC (Remote Function Call) destination configuration. Specifically, the message states that the RFC destination is not available for the specified port. This can occur for several reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system.
  Network Issues: There may be network connectivity issues between the SAP system and the target system.
  Target System Down: The target system that the RFC destination points to may be down or not reachable.
  Firewall Restrictions: Firewalls may be blocking the required ports for RFC communication.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction code SM59 in the SAP GUI.
  Locate the RFC