How To Fix /IWFND/CM_MGW201 - Username &1 is invalid

/IWFND/CM_MGW201 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_MGW -

• Message number: 201

• Message text: Username &1 is invalid

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?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

/IWFND/CM_MGW201 - Details

• The SAP error message /IWFND/CM_MGW201 Username &1 is invalid typically occurs in the context of SAP Gateway services, particularly when there is an issue with the authentication of the user trying to access a service. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Invalid Username: The username provided in the request does not exist in the SAP system.
  User Lock: The user account may be locked or disabled.
  Incorrect Credentials: The username or password may have been entered incorrectly.
  Authorization Issues: The user may not have the necessary authorizations to access the requested service.
  System Configuration: There may be issues with the configuration of the SAP Gateway or the backend system.
  
  Solutions:
  
  Verify Username: Check if the username is correct and exists in the SAP system. You can do this by using transaction SU01 to look up the user.
  Check User Status: Ensure that the user account is not locked or disabled. If it is,