How To Fix SHTTP242 - Virtual host &1 and Admin host &1 do not match

SAP Error Message - Details

• Message type: E = Error

• Message class: SHTTP - Messages for Development Class SHTTP

• Message number: 242

• Message text: Virtual host &1 and Admin host &1 do not match

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 SHTTP242 - Virtual host &1 and Admin host &1 do not match ?

  The SAP error message SHTTP242 indicates a mismatch between the virtual host and the admin host in the SAP Web Dispatcher or SAP Internet Communication Manager (ICM) configuration. This error typically arises when the system is trying to access a service or resource, but the hostnames or IP addresses configured do not align correctly.
  Cause:
  
  Configuration Mismatch: The virtual host (the hostname used to access the service) does not match the admin host (the hostname configured in the system settings).
  DNS Issues: There may be a problem with DNS resolution, where the hostname cannot be resolved correctly.
  Incorrect URL: The URL being accessed may be incorrect or not properly configured in the SAP system.
  Network Configuration: Network settings may not be correctly set up, leading to mismatches in hostnames.
  
  Solution:
  
  
  Check Configuration:
  
  Verify the configuration settings in the SAP Web Dispatcher or ICM. Ensure that the virtual host and admin host settings are correctly defined and match each other.
  You can check the configuration in transaction SICF (SAP Internet Communication Framework) or in the Web Dispatcher configuration file.
  
  
  
  Update Hostnames:
  
  If there is a mismatch, update the configuration to ensure that both the virtual host and admin host are the same. This may involve changing the hostname in the SAP system or updating the DNS records.
  
  
  
  DNS Resolution:
  
  Ensure that the DNS settings are correct and that the hostname can be resolved to the correct IP address. You can use commands like ping or nslookup to verify DNS resolution.
  
  
  
  Check URL:
  
  Make sure that the URL being used to access the SAP service is correct and matches the expected hostname.
  
  
  
  Restart Services:
  
  After making changes to the configuration, restart the relevant services (like the SAP Web Dispatcher or ICM) to apply the changes.
  
  
  
  Review Logs:
  
  Check the logs for any additional error messages or warnings that might provide more context about the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation for the Web Dispatcher or ICM for detailed configuration guidelines.
  Network Configuration: Ensure that firewall settings or network policies are not blocking access to the required hosts.
  
  By following these steps, you should be able to resolve the SHTTP242 error and ensure that the virtual host and admin host configurations are aligned correctly.