How To Fix MDG_HDB_SEARCH032 - Error opening SQL connection; check database connections

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_HDB_SEARCH -

• Message number: 032

• Message text: Error opening SQL connection; check database connections

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

Error opening SQL connection; check database connections

How to fix this error?

Perform following checks:
1. Check the secondary database connection status in transaction HDBC
2. Check the credentials used for database connection in transaction
DBCO
3. Enter the SAP HANA connection data in the customizing activity
"Define MDG Landscape Profile" under MDGIMG --> General Settings -->
Technical Settings for Master Data --> Define MDG Landscape Profile.

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 MDG_HDB_SEARCH032 - Error opening SQL connection; check database connections ?

  The SAP error message MDG_HDB_SEARCH032 indicates that there is an issue with opening a SQL connection to the database. This can occur in the context of SAP Master Data Governance (MDG) when the system is unable to connect to the underlying database, which is essential for executing queries and retrieving data.
  Causes
  
  Database Connection Configuration: The database connection settings in the SAP system may be incorrect or misconfigured.
  Database Server Issues: The database server may be down, unreachable, or experiencing performance issues.
  Network Issues: There could be network connectivity problems between the SAP application server and the database server.
  User Credentials: The credentials used to connect to the database may be incorrect or have insufficient permissions.
  Database Instance: The specific database instance may not be running or may have been stopped.
  Resource Limitations: The database may be hitting resource limits (e.g., maximum connections, memory, etc.).
  
  Solutions
  
  
  Check Database Connection Configuration:
  
  Go to transaction DBACOCKPIT or SM59 in SAP to verify the database connection settings.
  Ensure that the connection parameters (host, port, database name, user, password) are correct.
  
  
  
  Test Database Connectivity:
  
  Use the DBACOCKPIT or SM59 transaction to test the connection to the database.
  If the connection fails, check the error messages for more details.
  
  
  
  Check Database Server Status:
  
  Ensure that the database server is up and running.
  Check the database logs for any errors or issues that may indicate why the connection cannot be established.
  
  
  
  Review User Credentials:
  
  Verify that the user credentials used for the database connection are correct and have the necessary permissions to access the database.
  
  
  
  Network Troubleshooting:
  
  Check for any network issues that may be preventing the SAP system from reaching the database server.
  Use tools like ping or telnet to test connectivity to the database server.
  
  
  
  Monitor Resource Usage:
  
  Check the database for resource usage and limits. If the database is hitting maximum connections or other resource limits, consider increasing those limits or optimizing the database.
  
  
  
  Consult Documentation and Support:
  
  Refer to SAP Notes and documentation related to the specific error message for additional troubleshooting steps.
  If the issue persists, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  System Logs: Check the system logs (transaction SM21) for any related error messages that could provide more context about the issue.
  Database Logs: Review the logs of the database system for any errors or warnings that could indicate the cause of the connection failure.
  
  By following these steps, you should be able to identify and resolve the underlying issue causing the MDG_HDB_SEARCH032 error.