How To Fix DNO162 - Notification blocked in external system

SAP Error Message - Details

• Message type: E = Error

• Message class: DNO - Messages for General Notifications

• Message number: 162

• Message text: Notification blocked in external 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?

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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.

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 DNO162 - Notification blocked in external system ?

  The SAP error message DNO162, which states "Notification blocked in external system," typically occurs when there is an issue with the integration between SAP and an external system that is supposed to handle notifications. This can happen in various scenarios, such as when using SAP's integration with third-party applications or when notifications are being sent to an external service for processing.
  Causes:
  
  Integration Issues: There may be a problem with the connection between SAP and the external system, such as network issues, incorrect configuration, or authentication problems.
  Data Validation Errors: The data being sent to the external system may not meet the required format or validation rules, causing the external system to reject the notification.
  External System Errors: The external system itself may be down, misconfigured, or experiencing its own issues that prevent it from processing notifications.
  Authorization Issues: The user or system account used to send notifications may not have the necessary permissions in the external system.
  Blocking Rules: There may be specific rules or settings in the external system that block certain types of notifications from being processed.
  
  Solutions:
  
  Check Integration Configuration: Verify the configuration settings for the integration between SAP and the external system. Ensure that all connection parameters, such as URLs, ports, and authentication credentials, are correct.
  Review Error Logs: Check the error logs in both SAP and the external system to identify any specific error messages or codes that can provide more insight into the issue.
  Validate Data: Ensure that the data being sent in the notification meets the requirements of the external system. This may involve checking data formats, required fields, and any business rules that apply.
  Test Connectivity: Perform connectivity tests to ensure that SAP can communicate with the external system without issues. This may involve using tools like ping or telnet to check network connectivity.
  Check External System Status: Verify that the external system is operational and not experiencing downtime or maintenance that could affect its ability to process notifications.
  Review Authorization Settings: Ensure that the user or system account used for the integration has the necessary permissions in the external system to send and process notifications.
  Consult Documentation: Refer to the documentation for both SAP and the external system for any specific requirements or troubleshooting steps related to notifications.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the DNO162 error message. SAP frequently updates its knowledge base with solutions to common problems.
  Integration Tools: If you are using specific integration tools (like SAP PI/PO, SAP CPI, etc.), consult their documentation for troubleshooting integration issues.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support or the support team for the external system for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the DNO162 error message in your SAP system.