How To Fix 00179 - Logon not possible (error in license check)

00179 - Overview

• Message type: E = Error

• Message class: 00 -

• Message number: 179

• Message text: Logon not possible (error in license check)

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.

00179 - Details

• The SAP error message "00179 Logon not possible (error in license check)" typically indicates that there is an issue with the SAP system's license. This error can occur for several reasons, and understanding the cause is essential for resolving the issue. Here are some common causes, solutions, and related information:
  Causes:
  
  
  Expired License: The most common reason for this error is that the SAP license has expired. Each SAP system requires a valid license to operate, and if the license is not renewed, the system will prevent logon.
  
  
  License Key Issues: There may be issues with the license key itself, such as incorrect installation or configuration.
  
  
  System Configuration Changes: Changes in the system configuration or updates may lead to discrepancies in the license check.
  
  
  Multiple Instances: If there are multiple instances of SAP running on the same server, there may be conflicts with the license checks.
  
  
  Technical Issues: There could be underlying technical issues with the