How To Fix B1065 - Connection to other system could not be established

B1065 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 065

• Message text: Connection to other system could not be established

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

The possible causes are as follows:
There is a technical reason why the partner system cannot be accessed.
Note: you can test whether the communication is working technically in
the definition of an RFC destination.
The function module which was called does not exist on the other system.
This usually happens only if the partner system is an external system.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1065 - Connection to other system could not be established ?

  The SAP error message B1065, which states "Connection to other system could not be established," typically indicates that there is an issue with the communication between your SAP system and another system (which could be another SAP system or a non-SAP system). This error can arise due to various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the two systems. This could be due to firewalls, routing issues, or network outages.
  Configuration Errors: Incorrect configuration settings in the RFC (Remote Function Call) destination or in the SAP system settings can lead to this error.
  Authorization Issues: The user credentials used for the connection may not have the necessary authorizations to access the target system.
  Service Availability: The target system may be down or not available for connections.
  Incorrect Hostname or IP Address: The hostname or IP address specified in the RFC destination