How To Fix S_UNIFIED_CON111 - No virtual host specified

SAP Error Message - Details

• Message type: E = Error

• Message class: S_UNIFIED_CON - Message Class for Unified Connectivity

• Message number: 111

• Message text: No virtual host specified

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 S_UNIFIED_CON111 - No virtual host specified ?

  The SAP error message S_UNIFIED_CON111: No virtual host specified typically occurs in the context of SAP systems when there is an issue with the configuration of the SAP Web Dispatcher or the SAP Gateway. This error indicates that the system is unable to determine the virtual host to which it should connect, which can prevent users from accessing the SAP system properly.
  Causes:
  
  Missing Configuration: The virtual host settings may not be configured correctly in the SAP Web Dispatcher or the SAP Gateway.
  Incorrect URL: The URL used to access the SAP system may not specify a valid virtual host.
  Network Issues: There may be network-related issues that prevent the system from resolving the virtual host.
  SAP Profile Parameters: The necessary profile parameters for the virtual host may not be set in the instance profile.
  
  Solutions:
  
  
  Check Web Dispatcher Configuration:
  
  Ensure that the SAP Web Dispatcher is configured correctly with the appropriate virtual host settings. This includes checking the sapwebdisp.pfl file for the correct entries.
  Verify that the icm/HTTP/port and icm/HTTP/host parameters are set correctly.
  
  
  
  Review URL:
  
  Make sure that the URL used to access the SAP system includes the correct virtual host. The URL should match the configuration in the Web Dispatcher.
  
  
  
  Check Network Configuration:
  
  Ensure that the DNS settings are correct and that the virtual host can be resolved. You can use tools like ping or nslookup to verify this.
  
  
  
  Profile Parameters:
  
  Check the instance profile parameters in the SAP system. Look for parameters related to the virtual host and ensure they are set correctly.
  You can use transaction RZ10 to view and modify profile parameters.
  
  
  
  Restart Services:
  
  After making changes to the configuration, restart the SAP Web Dispatcher and any relevant services to ensure that the changes take effect.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Web Dispatcher: This is a tool that acts as a reverse proxy and load balancer for SAP applications. Proper configuration is crucial for its operation.
  SAP Gateway: This component allows communication between SAP systems and external applications. Issues with the Gateway can also lead to this error.
  Documentation: Refer to the official SAP documentation for detailed configuration steps and best practices for setting up the Web Dispatcher and Gateway.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.