How To Fix OT525 - Update of PAT file number in backup system failed

SAP Error Message - Details

• Message type: E = Error

• Message class: OT - SAP Online Correction Support (SOCS)

• Message number: 525

• Message text: Update of PAT file number in backup system failed

What causes this issue?

Internal error &v4& occurred while updating PAT file number
&v1& &v2& in backup system &v3&.

System Response

The current PAT file number is not available in the backup system.

How to fix this error?

Create an IT direct message and assign in to component
IMFIT_AGS_SPE_SSDA, stating the number of the internal error.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OT525 - Update of PAT file number in backup system failed ?

  The SAP error message OT525, which states "Update of PAT file number in backup system failed," typically relates to issues with the backup system's ability to update the PAT (Persistent Application Table) file number. This can occur in various scenarios, particularly during system backups or when trying to access certain functionalities that require the PAT file.
  Causes:
  
  Network Issues: There may be connectivity problems between the primary system and the backup system.
  Configuration Errors: Incorrect configuration settings in the backup system or the primary system can lead to this error.
  File System Issues: The backup system may have file system issues, such as insufficient disk space or file permission problems.
  Database Locking: If the database is locked or if there are ongoing transactions that prevent updates, this error may occur.
  System Resource Limitations: High load on the backup system or insufficient resources (CPU, memory) can lead to failures in processing updates.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is stable connectivity between the primary and backup systems. You can use tools like ping or traceroute to diagnose network issues.
  Review Configuration Settings: Verify the configuration settings for both the primary and backup systems. Ensure that they are correctly set up to communicate with each other.
  Check Disk Space: Ensure that there is sufficient disk space on the backup system. If the disk is full, free up space or increase the disk capacity.
  File Permissions: Check the file permissions on the backup system to ensure that the SAP user has the necessary rights to update the PAT file.
  Monitor System Load: Check the load on the backup system. If it is under heavy load, consider scheduling backups during off-peak hours or scaling resources.
  Database Health Check: Perform a health check on the database to ensure that it is functioning correctly and that there are no locks or issues preventing updates.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the OT525 error for any specific patches or updates that may address this issue.
  System Logs: Review system logs (such as the developer trace files) for more detailed error messages that can provide additional context.
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the OT525 error in your SAP environment.