How To Fix ICM046 - Reverse invoke not active in this service

SAP Error Message - Details

• Message type: E = Error

• Message class: ICM - Messages for ICM Monitor

• Message number: 046

• Message text: Reverse invoke not active in this service

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ICM046 - Reverse invoke not active in this service ?

  The SAP error message ICM046: Reverse invoke not active in this service typically occurs in the context of the Internet Communication Manager (ICM) when there is an issue with the configuration of reverse invocation for a service. This error indicates that the reverse invocation feature is not enabled for the specific service you are trying to access.
  Cause:
  
  Reverse Invocation Not Configured: The reverse invocation feature may not be enabled for the service you are trying to access.
  Service Configuration Issues: The service may not be properly configured to handle reverse invocation requests.
  ICM Settings: The ICM settings may not be correctly set up to allow reverse invocation.
  
  Solution:
  To resolve the ICM046 error, you can follow these steps:
  
  
  Check ICM Configuration:
  
  Go to transaction RZ10 to check the profile parameters.
  Ensure that the parameter icm/HTTP/enable_reverse_invocation is set to 1 (enabled).
  
  
  
  Service Configuration:
  
  Verify the configuration of the service in question. Ensure that it is set up to accept reverse invocation requests.
  Check the service definition in the relevant transaction (e.g., SICF for HTTP services) and ensure that reverse invocation is enabled.
  
  
  
  Restart ICM:
  
  After making changes to the configuration, restart the ICM to apply the new settings. You can do this by restarting the SAP instance.
  
  
  
  Check Logs:
  
  Review the ICM logs for any additional error messages or warnings that might provide more context about the issue. You can find the logs in transaction SMICM.
  
  
  
  Network Configuration:
  
  Ensure that the network configuration allows for reverse invocation. This may involve checking firewall settings or network routes.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for more detailed information on configuring reverse invocation and troubleshooting related issues.
  
  
  
  Related Information:
  
  ICM (Internet Communication Manager): This is a component of SAP that handles HTTP(S) requests and responses. It is crucial for web-based applications and services.
  Reverse Invocation: This is a method used in SAP to allow a server to invoke a service on a client system, which is useful in scenarios like load balancing or when the client is behind a firewall.
  Transaction Codes:
  
  RZ10: Profile parameter maintenance.
  SICF: Maintain HTTP services.
  SMICM: Monitor ICM.
  
  
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.