How To Fix S_UNIFIED_CON502 - Registry entry for HTTP Config name is missing

SAP Error Message - Details

• Message type: E = Error

• Message class: S_UNIFIED_CON - Message Class for Unified Connectivity

• Message number: 502

• Message text: Registry entry for HTTP Config name is missing

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message S_UNIFIED_CON502 - Registry entry for HTTP Config name is missing ?

  The SAP error message S_UNIFIED_CON502 indicates that there is a missing registry entry for the HTTP configuration name in the SAP system. This error typically occurs when the system is trying to access a specific HTTP configuration that has not been defined in the registry.
  Cause:
  
  Missing Registry Entry: The specific HTTP configuration name that the system is trying to access is not present in the Windows registry.
  Incorrect Configuration: The HTTP service may not be properly configured, or the configuration name may have been changed or deleted.
  Installation Issues: If the SAP system was not installed correctly or if there were issues during the setup, it could lead to missing registry entries.
  
  Solution:
  To resolve the S_UNIFIED_CON502 error, you can follow these steps:
  
  
  Check Registry Entries:
  
  Open the Windows Registry Editor (regedit).
  Navigate to the following path:
  HKEY_LOCAL_MACHINE\SOFTWARE\SAP\SAP NetWeaver\{Your_SAP_Instance}\HTTP
  
  Look for the HTTP configuration name that is missing. If it is not present, you may need to create it.
  
  
  
  Recreate the Missing Configuration:
  
  If you know the expected configuration settings, you can manually create the missing registry entry.
  Ensure that the values are set correctly according to your SAP system's requirements.
  
  
  
  Reconfigure HTTP Service:
  
  Use the SAP Management Console (SAP MC) or the SAP GUI to reconfigure the HTTP service.
  Ensure that the HTTP service is properly set up and that all necessary parameters are defined.
  
  
  
  Check SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates that can resolve the issue.
  
  
  
  Restart the SAP System:
  
  After making changes to the registry or configuration, restart the SAP system to ensure that the changes take effect.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for guidance on configuring HTTP services and troubleshooting related issues.
  
  
  
  Related Information:
  
  SAP Support: If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance.
  Backup Registry: Always back up the registry before making any changes to avoid potential system issues.
  System Logs: Check the system logs for any additional error messages that may provide more context about the issue.
  
  By following these steps, you should be able to resolve the S_UNIFIED_CON502 error and restore the proper functionality of the HTTP service in your SAP system.