/IWFND/CM_MGW201 - Username &1 is invalid

SAP Error Message - Details

• 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.

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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.

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AnswerBot

• What is the cause and solution for SAP error message /IWFND/CM_MGW201 - Username &1 is invalid ?

  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, unlock or enable the account.
  Correct Credentials: Make sure that the username and password are entered correctly. If necessary, reset the password.
  Authorization Check: Verify that the user has the necessary authorizations to access the service. You can check this using transaction SU53 after the error occurs to see if there are any authorization issues.
  Review Gateway Configuration: Check the configuration of the SAP Gateway and ensure that it is set up correctly. This includes checking the service registration and the connection to the backend system.
  Check Logs: Review the SAP Gateway logs for more detailed error messages. You can use transaction SLG1 to view application logs related to the Gateway.
  Network Issues: Ensure that there are no network issues preventing the user from connecting to the SAP system.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the SAP Gateway documentation for more information on authentication and authorization.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify and resolve the issue related to the /IWFND/CM_MGW201 error message.