How To Fix ICM050 - Unable to read the state of the HTTP access protocol

SAP Error Message - Details

• Message type: E = Error

• Message class: ICM - Messages for ICM Monitor

• Message number: 050

• Message text: Unable to read the state of the HTTP access protocol

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ICM050 - Unable to read the state of the HTTP access protocol ?

  The SAP error message ICM050 ("Unable to read the state of the HTTP access protocol") typically indicates an issue with the Internet Communication Manager (ICM) in the SAP system. This error can arise due to various reasons, including configuration issues, network problems, or resource limitations.
  Causes:
  
  Configuration Issues: Incorrect settings in the ICM configuration can lead to this error. This includes issues with the HTTP or HTTPS settings.
  Network Problems: Connectivity issues between the SAP system and the client or between the SAP system and external services can cause this error.
  Resource Limitations: Insufficient system resources (like memory or CPU) can prevent the ICM from functioning properly.
  Service Unavailability: The HTTP service might not be running or could be misconfigured.
  Firewall or Security Settings: Firewalls or security settings may block HTTP requests, leading to this error.
  
  Solutions:
  
  
  Check ICM Configuration:
  
  Verify the ICM settings in the SAP profile parameters. Ensure that the HTTP and HTTPS ports are correctly configured.
  Use transaction RZ10 to check and modify the profile parameters related to ICM.
  
  
  
  Restart ICM:
  
  Sometimes, simply restarting the ICM can resolve transient issues. You can do this through transaction SMICM by selecting "Restart" from the menu.
  
  
  
  Check System Resources:
  
  Monitor system resources (CPU, memory, etc.) using transaction SM50 or SM66. If resources are low, consider optimizing or increasing them.
  
  
  
  Network Connectivity:
  
  Test the network connectivity to ensure that there are no issues with the network. You can use tools like ping or telnet to check connectivity to the relevant ports.
  
  
  
  Check Logs:
  
  Review the ICM logs for more detailed error messages. You can find these logs in transaction SMICM under the "Log File" option.
  Look for any specific error messages that might provide more context about the issue.
  
  
  
  Firewall and Security Settings:
  
  Ensure that any firewalls or security settings are not blocking the HTTP traffic. Check with your network/security team if necessary.
  
  
  
  Update SAP Kernel:
  
  If the issue persists, consider updating the SAP kernel to the latest version, as there may be bug fixes related to ICM.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SMICM: Internet Communication Manager monitoring and configuration.
  RZ10: Profile parameter maintenance.
  SM50/SM66: Monitor work processes and system performance.
  
  
  
  SAP Notes: Check SAP Notes related to ICM and HTTP issues for any known bugs or patches that may address the problem.
  
  
  Documentation: Refer to the official SAP documentation for ICM for detailed configuration and troubleshooting steps.
  
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.