How To Fix CNV_IUUC_REPLICATION037 - Error during opening SQL connection &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPLICATION - IUUC replication messages (HANA)

• Message number: 037

• Message text: Error during opening SQL connection &1

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 CNV_IUUC_REPLICATION037 - Error during opening SQL connection &1 ?

  The SAP error message CNV_IUUC_REPLICATION037 typically indicates an issue with opening an SQL connection during the data replication process, often related to the SAP Landscape Transformation (SLT) replication server. This error can arise due to various reasons, including configuration issues, network problems, or database connectivity issues.
  Causes:
  
  Database Connectivity Issues: The database server may be down, or there may be network issues preventing the connection.
  Incorrect Connection Parameters: The connection parameters (like hostname, port, username, password) may be incorrect or not properly configured.
  Authorization Issues: The user account used for the connection may not have the necessary permissions to access the database.
  Configuration Errors: There may be issues in the SLT configuration or the replication setup.
  Firewall or Security Settings: Firewalls or security settings may be blocking the connection to the database.
  
  Solutions:
  
  Check Database Status: Ensure that the database server is up and running. You can try connecting to the database using a database client to verify connectivity.
  Verify Connection Parameters: Double-check the connection parameters in the SLT configuration. Ensure that the hostname, port, username, and password are correct.
  Check User Permissions: Ensure that the user account used for the connection has the necessary permissions to access the database and perform replication tasks.
  Review SLT Configuration: Go through the SLT configuration settings to ensure everything is set up correctly. This includes checking the replication settings and ensuring that the source and target systems are properly configured.
  Network and Firewall Settings: Check for any network issues or firewall settings that may be blocking the connection. Ensure that the necessary ports are open and accessible.
  Logs and Traces: Review the SLT logs and traces for more detailed error messages that can provide additional context on the issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation for SLT and database connectivity for more detailed guidance on configuration and troubleshooting.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the steps you have already taken to resolve it.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the CNV_IUUC_REPLICATION037 error.