How To Fix IU426 - >>>Checking database system restrictions

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 426

• Message text: >>>Checking database system restrictions

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 IU426 - >>>Checking database system restrictions ?

  The SAP error message IU426, which states "Checking database system restrictions," typically occurs during operations that involve database interactions, such as data uploads, migrations, or system upgrades. This error indicates that there are certain restrictions or limitations imposed by the database system that are being violated.
  Causes of Error IU426
  
  
  Database Version Compatibility: The version of the database you are using may not be compatible with the version of SAP you are running. This can lead to restrictions being enforced.
  
  
  Database Configuration: Certain configurations or settings in the database may not meet the requirements set by SAP. This could include memory settings, connection limits, or other parameters.
  
  
  Data Type Restrictions: The data types being used in your operations may not be supported by the database system, leading to restrictions.
  
  
  Database Size Limitations: If the database has reached its maximum size or if there are limitations on the number of records, this could trigger the error.
  
  
  User Permissions: Insufficient permissions for the user executing the operation can also lead to this error.
  
  
  Solutions to Error IU426
  
  
  Check Compatibility: Ensure that your database version is compatible with your SAP version. Refer to the SAP Product Availability Matrix (PAM) for compatibility information.
  
  
  Review Database Configuration: Check the database configuration settings to ensure they meet SAP's requirements. This may involve adjusting memory settings, connection limits, or other parameters.
  
  
  Data Type Validation: Review the data types being used in your operations. Ensure that they are supported by the database system.
  
  
  Monitor Database Size: Check the size of your database and ensure it is within the limits set by the database system. If necessary, consider archiving old data or increasing the database size.
  
  
  User Permissions: Verify that the user executing the operation has the necessary permissions to perform the action. Adjust user roles and permissions as needed.
  
  
  Consult Documentation: Refer to the SAP documentation for any specific restrictions related to your database system. This may provide insights into any additional configurations or settings that need to be adjusted.
  
  
  Related Information
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP Notes often provide solutions or workarounds for known issues.
  
  
  Database Documentation: Review the documentation for your specific database system (e.g., Oracle, SQL Server, HANA) for any known restrictions or limitations.
  
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  
  Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide more detailed troubleshooting based on your specific environment.
  
  
  By following these steps, you should be able to identify the cause of the IU426 error and implement a suitable solution.