How To Fix SRT_WSP732 - Invalid alternative host name "&1" for reverse proxy "&2"

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 732

• Message text: Invalid alternative host name "&1" for reverse proxy "&2"

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP732 - Invalid alternative host name "&1" for reverse proxy "&2" ?

  The SAP error message SRT_WSP732 indicates that there is an issue with the configuration of a reverse proxy in the context of SAP Web Services. Specifically, the error message states that the alternative host name provided is invalid for the specified reverse proxy.
  Cause:
  The error can occur due to several reasons:
  
  Incorrect Configuration: The alternative host name specified in the configuration does not match any valid host names that are recognized by the reverse proxy.
  DNS Issues: The DNS resolution for the alternative host name may not be set up correctly, leading to the inability to resolve the host.
  Network Issues: There may be network connectivity issues preventing the reverse proxy from reaching the specified alternative host.
  Typographical Errors: There could be a typo in the alternative host name or the reverse proxy configuration.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Configuration:
  
  Verify the configuration settings for the reverse proxy in the SAP system. Ensure that the alternative host name is correctly specified and matches the expected format.
  
  
  
  DNS Resolution:
  
  Check if the alternative host name can be resolved using DNS. You can use command-line tools like nslookup or ping to verify that the host name resolves to the correct IP address.
  
  
  
  Network Connectivity:
  
  Ensure that there are no network issues preventing the reverse proxy from accessing the alternative host. Check firewall settings, routing, and any other network configurations that might block access.
  
  
  
  Review Logs:
  
  Look at the SAP application logs and the reverse proxy logs for any additional error messages or warnings that might provide more context about the issue.
  
  
  
  Correct Typographical Errors:
  
  Double-check for any typographical errors in the configuration settings for both the alternative host name and the reverse proxy.
  
  
  
  Update Configuration:
  
  If necessary, update the configuration to use a valid alternative host name that is recognized by the reverse proxy.
  
  
  
  Restart Services:
  
  After making changes to the configuration, restart the relevant services to ensure that the changes take effect.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to reverse proxy configurations and web services for any specific guidance or known issues.
  Documentation: Refer to the official SAP documentation for configuring reverse proxies and web services to ensure compliance with best practices.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the SRT_WSP732 error message in your SAP environment.