How To Fix DNO153 - Notification cannot be sent using RFC connection &1 and S user &2

DNO153 - Overview

• Message type: E = Error

• Message class: DNO - Messages for General Notifications

• Message number: 153

• Message text: Notification cannot be sent using RFC connection &1 and S user &2

What causes this issue?

The notification for installed base <(>&<)>3 cannot be sent to SAP via
RFC connection <(>&<)>1 with S-User (partner) <(>&<)>2.

System Response

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

How to fix this error?

Check your settings for installed base, customer, and processor.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

DNO153 - Details

• The SAP error message DNO153 indicates that there is an issue with sending notifications via an RFC (Remote Function Call) connection. This error typically arises when the system is unable to establish a proper connection to the specified RFC destination or when there are authorization issues related to the user specified in the error message.
  
  Cause:
  
  RFC Connection Issues: The specified RFC destination may not be configured correctly, or the connection to the target system may be down.
  Authorization Problems: The user specified in the error message (S user &2) may not have the necessary authorizations to send notifications or access the required resources.
  Network Issues: There could be network-related problems preventing the connection from being established.
  Configuration Errors: The settings in the SAP system for sending notifications may not be properly configured.
  
  
  Solution:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 and verify the configuration of the RFC destination mentioned in the error message (&1).
  Test the connection to