How To Fix SRT_WSP733 - Invalid host name "&1"

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 733

• Message text: Invalid host name "&1"

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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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 SRT_WSP733 - Invalid host name "&1" ?

  The SAP error message SRT_WSP733 "Invalid host name '&1'" typically occurs in the context of SAP Web Services or when using the SAP Process Integration (PI) or Process Orchestration (PO) systems. This error indicates that the system is unable to resolve the specified host name, which can lead to issues in communication between systems.
  Causes:
  
  Incorrect Host Name: The host name specified in the configuration is incorrect or misspelled.
  DNS Issues: The DNS server may not be able to resolve the host name to an IP address.
  Network Configuration: There may be network issues preventing access to the specified host.
  Firewall Restrictions: Firewalls may be blocking access to the host.
  Configuration Errors: The configuration in the SAP system for the web service or communication channel may be incorrect.
  
  Solutions:
  
  Verify Host Name: Check the host name specified in the configuration. Ensure it is spelled correctly and matches the actual server name.
  Check DNS Resolution: Use command-line tools (like ping or nslookup) to verify that the host name can be resolved to an IP address. If it cannot, you may need to update your DNS settings or hosts file.
  Network Connectivity: Ensure that there is network connectivity between the SAP system and the target host. You can use tools like ping or traceroute to diagnose connectivity issues.
  Firewall Settings: Check if there are any firewall rules that might be blocking access to the host. Ensure that the necessary ports are open for communication.
  Review Configuration: Go through the configuration settings in the SAP system (like SOAMANAGER for web services) to ensure that all parameters are set correctly.
  Check SAP Notes: Look for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SOAMANAGER to manage web service configurations.
  Logs and Traces: Check the application logs (using transaction SLG1) and traces for more detailed error messages that can provide additional context.
  SAP Community: Consider searching or posting in the SAP Community forums for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify and resolve the cause of the SRT_WSP733 error in your SAP environment.