How To Fix CNV_DMC_HC018 - Error when connecting to &1 DB connection &2 for mass transfer ID &3

CNV_DMC_HC018 - Overview

• Message type: E = Error

• Message class: CNV_DMC_HC -

• Message number: 018

• Message text: Error when connecting to &1 DB connection &2 for mass transfer ID &3

What causes this issue?

The SAP Landscape Transformation Replication Server system is not able
to reach a source or target system which is connected by means of a
database connection.

System Response

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

How to fix this error?

In the SAP Landscape Transformation Replication Server system, go to
transaction SE38 and run report ADBC_TEST_CONNECTION using the
connection name, and ensure that the connection is working correctly.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_DMC_HC018 - Details

• The SAP error message CNV_DMC_HC018 typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that there is an issue with the database connection specified in the migration process.
  
  Cause:
  The error can be caused by several factors, including:
  
  Incorrect Database Connection Parameters: The connection details (like hostname, port, username, password) for the database might be incorrect.
  Database Unavailability: The target database might be down or not reachable due to network issues.
  Insufficient Permissions: The user account used for the database connection may not have the necessary permissions to access the database or perform the required operations.
  
  Configuration Issues: There may be misconfigurations in the SAP system or the database settings that prevent a successful connection.
  Firewall or Security Settings: Firewalls or security settings may be blocking the connection to the database.
  
  
  Solution:
  To resolve the CNV_DMC_HC018 error, you can follow these steps:
  
  
  Verify Connection Parameters:
  
  Check the database connection