How To Fix TG179 - Starting database-specific preparations for restart operations

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 179

• Message text: Starting database-specific preparations for restart operations

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TG179 - Starting database-specific preparations for restart operations ?

  The SAP error message TG179, which indicates "Starting database-specific preparations for restart operations," typically occurs during the restart of an SAP system or when the database is being prepared for operations. This message is often part of a sequence of logs that can indicate issues with the database or the SAP system itself.
  Possible Causes:
  
  Database Connectivity Issues: The SAP system may be unable to connect to the database due to network issues, incorrect configuration, or database service not running.
  Database Locking: There may be locks on the database that prevent it from starting or being accessed properly.
  Configuration Errors: Incorrect parameters in the database configuration or SAP profile parameters can lead to this error.
  Resource Limitations: Insufficient system resources (CPU, memory, disk space) can prevent the database from starting correctly.
  Corrupted Database: If the database files are corrupted, it may lead to issues during the restart process.
  
  Solutions:
  
  Check Database Status: Ensure that the database service is running. You can do this by checking the database management system (DBMS) logs or using database administration tools.
  Review Logs: Look at the SAP and database logs for more detailed error messages that can provide insight into the specific issue.
  Check Configuration: Verify that the database connection parameters in the SAP profile are correct. This includes checking the instance profile and database profile.
  Resource Monitoring: Monitor system resources to ensure that there are enough CPU, memory, and disk space available for the database to start.
  Database Recovery: If you suspect database corruption, you may need to perform a recovery operation using the database's recovery tools.
  Restart Services: Sometimes, simply restarting the SAP application server and the database can resolve transient issues.
  Consult Documentation: Refer to the SAP Notes and documentation related to your specific version of SAP and the database you are using for any known issues or patches.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to your version of SAP and the database you are using.
  Database Documentation: Consult the documentation for your specific database (e.g., Oracle, SQL Server, HANA) for troubleshooting steps and best practices.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your database administrator or SAP support for further assistance.