How To Fix CNV657 - Watchdog was not switched off

CNV657 - Overview

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 657

• Message text: Watchdog was not switched off

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.

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CNV657 - Details

• The SAP error message "CNV657 Watchdog was not switched off" typically occurs during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that a watchdog timer, which is a mechanism to monitor the execution of a process, has not been properly deactivated, leading to potential issues in the migration process.
  
  Cause:
  
  Long-running Processes: The migration process may take longer than expected, causing the watchdog to trigger an alert.
  
  Configuration Issues: There may be misconfigurations in the migration settings or parameters that prevent the watchdog from being switched off.
  System Performance: If the system is under heavy load or experiencing performance issues, it may not be able to complete the migration tasks in a timely manner.
  Errors in Data: Issues with the data being migrated, such as inconsistencies or errors, can lead to prolonged processing times.
  
  
  Solution:
  
  Check Migration Logs: Review the migration logs for any errors or