How To Fix SR445 - MQTT password not allowed if MQTT user is not specified

SR445 - Overview

• Message type: E = Error

• Message class: SR - RFC utilities

• Message number: 445

• Message text: MQTT password not allowed if MQTT user is not specified

What causes this issue?

The user used for the MQTT logon was changed. The password used for MQTT
logons was initialized, for security reasons.

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?

Enter the password for the current MQTT user again, if required.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SR445 - MQTT password not allowed if MQTT user is not specified ?

  The SAP error message SR445, which states "MQTT password not allowed if MQTT user is not specified," typically occurs in the context of configuring MQTT (Message Queuing Telemetry Transport) connections in SAP systems. This error indicates that there is an issue with the configuration of the MQTT connection, specifically related to the user credentials.
  
  Cause:
  The error arises when the MQTT connection configuration includes a password, but no MQTT user (username) has been specified. In MQTT, if you are using authentication, both a username and a password must be provided. If the username is missing, the system does not allow the password to be set, leading to this error.
  
  Solution:
  To resolve the SR445 error, you should ensure that both the MQTT username and password are correctly specified in the configuration. Here are the steps to do this:
  
  
  Access the MQTT Configuration:
  
  Go to the relevant configuration settings in your SAP system where the MQTT connection