How To Fix S1720 - Restore pages only possible at base of last data backup

SAP Error Message - Details

• Message type: E = Error

• Message class: S1 - Statistik / SAP-Monitor

• Message number: 720

• Message text: Restore pages only possible at base of last data backup

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message S1720 - Restore pages only possible at base of last data backup ?

  The SAP error message S1720, "Restore pages only possible at base of last data backup," typically occurs during a database restore operation when the system detects that the restore process is not aligned with the last successful data backup. This error indicates that the restore operation is attempting to restore data pages that are not consistent with the backup history.
  Cause:
  
  
  Inconsistent Backup State: The error usually arises when the database is trying to restore pages that were not part of the last complete backup. This can happen if:
  
  The backup was interrupted or incomplete.
  The restore operation is being attempted with a backup that is not the most recent one.
  There are missing logs or data pages that are required for a consistent restore.
  
  
  
  Incorrect Restore Sequence: If you are trying to restore a differential or incremental backup without first restoring the base full backup, this error can occur.
  
  
  Solution:
  To resolve the S1720 error, follow these steps:
  
  
  Verify Backup Consistency:
  
  Ensure that the last full backup is complete and valid. You can check the backup logs for any errors or interruptions.
  
  
  
  Restore the Correct Backup:
  
  If you are trying to restore a differential or incremental backup, first restore the last full backup before applying any subsequent backups.
  Make sure you are using the correct sequence of backups (full, then differential, then incremental).
  
  
  
  Check for Missing Logs:
  
  If your restore process requires transaction logs, ensure that all necessary logs are available and in the correct order.
  
  
  
  Use the SAP Database Tools:
  
  Utilize SAP database tools (like BR*Tools for Oracle) to manage backups and restores. These tools can help ensure that the correct procedures are followed.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation specific to your database (e.g., Oracle, SQL Server) for detailed instructions on backup and restore procedures.
  
  
  
  Contact SAP Support:
  
  If the issue persists after following the above steps, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Backup Types: Understand the difference between full, differential, and incremental backups, as well as how they relate to restore operations.
  Database Logs: Familiarize yourself with the importance of transaction logs in the context of database recovery.
  SAP Notes: Check SAP Notes for any specific patches or updates related to backup and restore operations for your version of SAP.
  
  By following these guidelines, you should be able to address the S1720 error effectively.