How To Fix DMC_GENERAL345 - Database connection &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 345

• Message text: Database connection &1 does not exist

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL345 - Database connection &1 does not exist ?

  The SAP error message DMC_GENERAL345 indicates that there is an issue with a database connection that is expected to exist but is not found. This error typically arises in the context of SAP Data Management and can occur for various reasons. Below are the potential causes, solutions, and related information for this error:
  Causes:
  
  Incorrect Database Connection Configuration: The database connection might not be properly configured in the SAP system.
  Database Connection Not Created: The specified database connection may not have been created in the SAP system.
  Connection Name Typo: There could be a typo in the connection name being referenced in the application or configuration.
  Database Server Issues: The database server might be down or unreachable due to network issues.
  Authorization Issues: The user may not have the necessary authorizations to access the specified database connection.
  Changes in Database Configuration: Changes in the database configuration or migration might have led to the connection being lost or renamed.
  
  Solutions:
  
  
  Check Database Connection Configuration:
  
  Go to the SAP HANA Studio or the relevant transaction (like DBACOCKPIT) to verify the database connection settings.
  Ensure that the connection parameters (host, port, database name) are correct.
  
  
  
  Create or Recreate the Database Connection:
  
  If the connection does not exist, create it using the appropriate tools or transactions in SAP.
  If it exists but is not functioning, consider deleting and recreating it.
  
  
  
  Verify Connection Name:
  
  Double-check the connection name in your application or configuration to ensure there are no typos.
  
  
  
  Check Database Server Status:
  
  Ensure that the database server is up and running and that there are no network issues preventing access.
  
  
  
  Review User Authorizations:
  
  Check the user roles and authorizations to ensure that the user has access to the database connection.
  
  
  
  Consult Logs for More Information:
  
  Review the application logs or system logs for any additional error messages that might provide more context about the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to the official SAP documentation for guidance on configuring database connections.
  Community Forums: Engage with the SAP Community for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the DMC_GENERAL345 error in your SAP environment.