How To Fix /IWXBE/CORE190 - Connection test for channel '&1' failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWXBE/CORE -

• Message number: 190

• Message text: Connection test for channel '&1' failed

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 /IWXBE/CORE190 - Connection test for channel '&1' failed ?

  The SAP error message /IWXBE/CORE190 Connection test for channel '&1' failed typically indicates that there is an issue with the connection to a specific communication channel in the SAP system, often related to the SAP Process Integration (PI) or SAP Process Orchestration (PO) environment. This error can arise due to various reasons, including configuration issues, network problems, or service unavailability.
  Causes:
  
  Configuration Issues: The communication channel may not be configured correctly. This could include incorrect endpoint URLs, authentication issues, or missing parameters.
  Network Problems: There may be network connectivity issues between the SAP system and the target system or service.
  Service Unavailability: The target service or endpoint may be down or not reachable.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the target system.
  Authentication Failures: If the channel requires authentication, incorrect credentials can lead to connection failures.
  Protocol Mismatch: The communication protocol (e.g., HTTP, HTTPS, FTP) may not be supported or configured correctly.
  
  Solutions:
  
  Check Configuration: Review the configuration of the communication channel in the Integration Directory. Ensure that all parameters, including the endpoint URL, authentication details, and any required headers, are correctly set.
  Test Connectivity: Use tools like ping or telnet to check if the target system is reachable from the SAP server. This can help identify network issues.
  Check Service Status: Verify that the target service is up and running. If it is a web service, you can try accessing it via a web browser or a tool like Postman.
  Review Firewall Settings: Ensure that there are no firewall rules blocking the connection. Work with your network team to verify that the necessary ports are open.
  Validate Credentials: If the channel requires authentication, double-check the username and password. Ensure that the credentials have the necessary permissions.
  Check Logs: Review the logs in the SAP system for more detailed error messages that can provide additional context about the failure.
  Protocol Settings: Ensure that the correct communication protocol is being used and that the target system supports it.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message for any known issues or patches.
  Documentation: Refer to the official SAP documentation for guidance on configuring communication channels in PI/PO.
  Community Forums: Engage with the SAP Community or forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.