How To Fix S1451 - Maintenance of database connections not possible (&1)

SAP Error Message - Details

• Message type: E = Error

• Message class: S1 - Statistik / SAP-Monitor

• Message number: 451

• Message text: Maintenance of database connections not possible (&1)

What causes this issue?

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

System Response

How to fix this error?

You can alternatively use the standard maintenance transaction, SM30,
for table DBCON.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message S1451 - Maintenance of database connections not possible (&1) ?

  The SAP error message S1451, which states "Maintenance of database connections not possible (&1)," typically indicates an issue with the database connection configuration in the SAP system. This error can arise due to various reasons, including misconfigurations, network issues, or problems with the database itself.
  Causes:
  
  Database Connection Configuration: Incorrect settings in the database connection parameters (e.g., hostname, port, database name).
  Database Availability: The database server may be down or unreachable due to network issues.
  User Permissions: The user account used for the database connection may not have the necessary permissions.
  Database Driver Issues: The database driver may not be installed correctly or may be incompatible with the SAP version.
  Resource Limitations: The database may be experiencing resource limitations (e.g., memory, connections).
  SAP System Configuration: Issues in the SAP system configuration that prevent it from establishing a connection to the database.
  
  Solutions:
  
  
  Check Database Connection Parameters:
  
  Verify the connection parameters in the SAP system (transaction DBACOCKPIT or DB02).
  Ensure that the hostname, port, and database name are correct.
  
  
  
  Test Database Connectivity:
  
  Use tools like ping or telnet to check if the database server is reachable from the SAP application server.
  Check if the database service is running.
  
  
  
  Review User Permissions:
  
  Ensure that the database user has the necessary permissions to connect to the database and perform required operations.
  
  
  
  Check Database Logs:
  
  Review the database logs for any errors or warnings that might indicate the cause of the connection issue.
  
  
  
  Update Database Drivers:
  
  Ensure that the correct and compatible database drivers are installed and configured in the SAP system.
  
  
  
  Monitor Resource Usage:
  
  Check the database server for resource usage (CPU, memory, connections) and resolve any bottlenecks.
  
  
  
  SAP Notes and Documentation:
  
  Check SAP Notes for any known issues related to this error message. SAP may have provided patches or workarounds.
  
  
  
  Restart Services:
  
  If applicable, restart the database service and the SAP application server to refresh the connections.
  
  
  
  Related Information:
  
  SAP Transaction Codes: 
  
  DBACOCKPIT: Database Administration Cockpit.
  DB02: Database Performance Analysis.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error.
  Documentation: Review the official SAP documentation for your specific database and SAP version for best practices on connection management.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your database administrator or SAP support for further investigation.