00176 - Logon refused (license data improperly modified)

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 176

• Message text: Logon refused (license data improperly modified)

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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Smart SAP Assistant

• What is the cause and solution for SAP error message 00176 - Logon refused (license data improperly modified) ?

  The SAP error message "00176 Logon refused (license data improperly modified)" typically indicates that there is an issue with the license data in your SAP system. This error occurs when the system detects that the license information has been altered or is not in compliance with the licensing agreements set by SAP.
  Causes:
  
  Manual Modification: The license data may have been manually modified or corrupted, either intentionally or accidentally.
  License Expiration: The license may have expired, and the system is refusing access until a valid license is provided.
  System Copy or Migration: If the system was copied or migrated from another instance, the license data may not have been properly transferred or updated.
  Incorrect License Key: The license key entered may not match the system's configuration or may be invalid.
  
  Solutions:
  
  Check License Data: Verify the license data in the system. You can do this by using transaction code SLICENSE to check the current license status and details.
  Reapply License: If the license data is corrupted or incorrect, you may need to reapply the correct license key. Obtain the correct license from SAP and use the SLICENSE transaction to upload it.
  Contact SAP Support: If you are unable to resolve the issue, it may be necessary to contact SAP support for assistance. They can help you verify the license and provide guidance on how to correct any issues.
  System Check: Ensure that the system has not been modified in a way that would affect the license data. This includes checking for unauthorized changes or system copies that may not have been properly licensed.
  
  Related Information:
  
  
  Transaction Codes: 
  
  SLICENSE: To manage and check license information.
  SLICENSE can also be used to upload a new license file.
  
  
  
  Documentation: Refer to SAP's official documentation regarding licensing and compliance for detailed guidelines on managing licenses.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to licensing and error 00176.
  
  
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the "Logon refused (license data improperly modified)" error in your SAP system.