How To Fix ICM059 - Handler is already activated

SAP Error Message - Details

• Message type: E = Error

• Message class: ICM - Messages for ICM Monitor

• Message number: 059

• Message text: Handler is already activated

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ICM059 - Handler is already activated ?

  The SAP error message ICM059: Handler is already activated typically occurs in the context of the Internet Communication Manager (ICM) when there is an attempt to activate a handler that is already active. This can happen in various scenarios, such as when configuring HTTP or HTTPS services, or when trying to register a new handler in the ICM.
  Causes:
  
  Duplicate Activation: The most common cause is that the handler you are trying to activate is already registered and active in the ICM.
  Configuration Issues: There may be misconfigurations in the ICM settings or in the service definitions that lead to this error.
  System State: The system might be in a state where it is trying to reinitialize or reconfigure handlers that are already set up.
  
  Solutions:
  
  
  Check Active Handlers: Use transaction code SMICM to check the currently active handlers. You can view the active handlers and their statuses to confirm if the handler you are trying to activate is already listed.
  
  
  Remove Duplicate Configuration: If you find that the handler is indeed active, review your configuration settings (e.g., in the ICM configuration or the relevant service definitions) to ensure that you are not trying to activate the same handler multiple times.
  
  
  Restart ICM: Sometimes, simply restarting the ICM can resolve transient issues. You can do this from transaction SMICM by selecting the "Restart" option.
  
  
  Review ICM Logs: Check the ICM logs for any additional error messages or warnings that might provide more context about why the handler is being activated multiple times.
  
  
  SAP Notes: Search for relevant SAP Notes that might address this specific error. SAP frequently updates its knowledge base with solutions for common issues.
  
  
  Consult Documentation: Review the official SAP documentation for ICM and handler configuration to ensure that you are following the correct procedures.
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SMICM: Internet Communication Manager monitoring and configuration.
  SICF: Service Hierarchy Maintenance, where you can manage HTTP services.
  
  
  
  ICM Configuration: Familiarize yourself with the ICM parameters in the instance profile, especially those related to HTTP and HTTPS handling.
  
  
  SAP Community: Engage with the SAP Community forums or support channels for additional insights or similar cases.
  
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed logs and the context of the error.