How To Fix CNV_NCE_BAS206 - Could not connect to the target system

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 206

• Message text: Could not connect to the target system

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_NCE_BAS206 - Could not connect to the target system ?

  The SAP error message CNV_NCE_BAS206: Could not connect to the target system typically occurs during data migration or system conversion processes, particularly when using SAP's tools for data transfer, such as the SAP S/4HANA Migration Cockpit or other data migration tools.
  Causes:
  
  Network Issues: There may be network connectivity problems between the source and target systems.
  Incorrect Configuration: The target system's connection parameters (like hostname, port, or instance number) may be incorrectly configured.
  Authorization Issues: The user credentials used to connect to the target system may lack the necessary permissions.
  Target System Down: The target system may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the target system.
  SAP Gateway Issues: The SAP Gateway service on the target system may not be running or properly configured.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the source system can reach the target system. You can use tools like ping or telnet to test connectivity.
  Verify Connection Parameters: Double-check the connection settings in the configuration. Ensure that the hostname, port, and instance number are correct.
  Review User Permissions: Ensure that the user account being used has the necessary permissions to access the target system.
  Check Target System Status: Verify that the target system is up and running. If it is down, coordinate with your system administrator to bring it back online.
  Inspect Firewall Settings: Check if there are any firewall rules that might be blocking the connection. Adjust the settings as necessary.
  Restart SAP Gateway: If the SAP Gateway service is not running, restart it on the target system.
  Review Logs: Check the logs in both the source and target systems for any additional error messages that might provide more context.
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that might address this specific error. SAP frequently updates its knowledge base with solutions to common issues.
  Documentation: Review the official SAP documentation for the specific migration tool you are using, as it may provide additional troubleshooting steps.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.