How To Fix DNO221 - Communication error when sending to BC: & & &


DNO221 - Overview

  • Message type: E = Error

  • Message class: DNO - Messages for General Notifications

  • Message number: 221

  • Message text: Communication error when sending to BC: & & &

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  • 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.


DNO221 - Details

  • The SAP error message DNO221, which indicates a "Communication error when sending to BC," typically occurs in the context of SAP's Business Communication (BC) services. This error can arise due to various reasons, including network issues, configuration problems, or issues with the Business Communication service itself.
    Causes:
    
    Network Issues: There may be connectivity problems between the SAP system and the Business Communication service.
    Configuration Errors: Incorrect settings in the SAP system or the Business Communication service can lead to communication failures.
    Service Availability: The Business Communication service may be down or not reachable due to maintenance or other issues.
    Firewall or Security Settings: Firewalls or security settings may be blocking the communication between the systems.
    Incorrect Credentials: If authentication is required, incorrect credentials can lead to communication errors.
    
    Solutions:
    
    Check Network Connectivity: Ensure that the network connection between the SAP system and the Business Communication service is stable and operational. You can use tools like ping or traceroute

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