How To Fix MSGSERVER040 - No logon data changed

SAP Error Message - Details

• Message type: E = Error

• Message class: MSGSERVER - Messages for Message Server

• Message number: 040

• Message text: No logon data changed

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message MSGSERVER040 - No logon data changed ?

  The SAP error message MSGSERVER040 ("No logon data changed") typically occurs when there is an issue with the logon data being processed in the SAP system. This message is often related to the SAP GUI or the logon process, and it indicates that the system did not detect any changes in the logon credentials or parameters.
  Causes:
  
  No Changes Made: The most straightforward cause is that the user attempted to log in without changing any of the logon parameters (like username, password, or client).
  Session Issues: There may be issues with the current session or the way the SAP GUI is handling the logon data.
  Configuration Issues: There could be configuration issues in the SAP system or the SAP GUI settings that prevent the logon data from being recognized as changed.
  Network Issues: Connectivity problems between the SAP GUI and the SAP server can sometimes lead to this error.
  
  Solutions:
  
  Re-enter Logon Data: Ensure that you are entering the correct logon credentials. Try changing the password or re-entering the username and password to see if that resolves the issue.
  Restart SAP GUI: Close the SAP GUI and restart it. This can help clear any session-related issues.
  Check Network Connection: Ensure that your network connection to the SAP server is stable and functioning properly.
  Clear Cache: Sometimes, clearing the cache of the SAP GUI can help resolve issues related to logon data.
  Update SAP GUI: Ensure that you are using the latest version of the SAP GUI. An outdated version may have bugs that could lead to this error.
  Check SAP Notes: Look for any relevant SAP Notes or patches that may address this specific error. SAP frequently updates its systems, and there may be a known issue with a documented solution.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to your SAP support team or consulting the SAP Community for further assistance.
  Log Files: Check the log files for more detailed error messages that may provide additional context for the issue.
  Documentation: Review the SAP documentation related to logon procedures and error handling for more insights.
  
  By following these steps, you should be able to troubleshoot and resolve the MSGSERVER040 error in SAP.