How To Fix AD194 - Minimum DB extent cannot be greater than maximum DB extent

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 194

• Message text: Minimum DB extent cannot be greater than maximum DB extent

What causes this issue?

You have chosen a minimum extent that is larger than your maximum
extent.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Select a minimum extent that is either smaller than or the same size
as your maximum extent.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD194 - Minimum DB extent cannot be greater than maximum DB extent ?

  The SAP error message AD194, which states "Minimum DB extent cannot be greater than maximum DB extent," typically occurs in the context of database configuration settings within the SAP system. This error indicates that the minimum database extent (the minimum amount of space allocated for the database) is set to a value that exceeds the maximum database extent (the maximum amount of space that can be allocated).
  Cause:
  
  Configuration Error: The most common cause of this error is a misconfiguration in the database settings, where the minimum extent is incorrectly set to a value greater than the maximum extent.
  Database Parameters: This can happen if the database parameters are not properly defined or if there has been a manual change to the database configuration that led to this inconsistency.
  
  Solution:
  To resolve the AD194 error, you can follow these steps:
  
  
  Check Database Configuration:
  
  Access the database configuration settings in your SAP system.
  Look for the parameters related to database extents, specifically the minimum and maximum extent settings.
  
  
  
  Adjust the Values:
  
  Ensure that the minimum extent value is less than or equal to the maximum extent value.
  If the minimum extent is set higher than the maximum extent, adjust the minimum extent to a lower value.
  
  
  
  Database Administration Tools:
  
  Use database administration tools or SQL commands to check and modify the extent settings if necessary.
  For example, in Oracle, you might use commands to alter the tablespace settings.
  
  
  
  Restart the Database:
  
  After making changes, it may be necessary to restart the database or the SAP application server to apply the new settings.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation or your database vendor's documentation for specific instructions on configuring database extents.
  
  
  
  Contact Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support or your database administrator for further assistance.
  
  
  
  Related Information:
  
  Database Management: Understanding how your specific database (e.g., Oracle, SQL Server, HANA) manages extents and storage can help prevent similar issues in the future.
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  Monitoring Tools: Utilize monitoring tools to keep track of database performance and configuration settings to avoid misconfigurations.
  
  By following these steps, you should be able to resolve the AD194 error and ensure that your database configuration is correct.