How To Fix DMC_RT_MSG174 - Error creating web service proxy to target system; migration object &4

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 174

• Message text: Error creating web service proxy to target system; migration object &4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_MSG174 - Error creating web service proxy to target system; migration object &4 ?

  The SAP error message DMC_RT_MSG174 indicates an issue with creating a web service proxy to a target system during a migration process. This error typically arises in the context of SAP Data Migration Cockpit (DMC) or when using SAP S/4HANA Migration tools.
  Cause:
  The error can be caused by several factors, including:
  
  Network Issues: There may be connectivity problems between the source and target systems.
  Configuration Errors: The target system may not be properly configured to accept web service calls.
  Authorization Issues: The user may not have the necessary permissions to create a web service proxy.
  Incorrect URL: The URL for the web service might be incorrect or not reachable.
  Service Not Active: The required web service might not be activated in the target system.
  Missing Dependencies: There may be missing components or dependencies required for the web service to function.
  
  Solution:
  To resolve the DMC_RT_MSG174 error, you can follow these steps:
  
  
  Check Network Connectivity:
  
  Ensure that there is proper network connectivity between the source and target systems. You can use tools like ping or telnet to test connectivity.
  
  
  
  Verify Configuration:
  
  Check the configuration settings in the target system to ensure that it is set up to accept web service calls. This includes checking the relevant RFC destinations and ensuring they are correctly configured.
  
  
  
  Check Authorizations:
  
  Ensure that the user account being used has the necessary authorizations to create web service proxies. You may need to consult with your SAP security team to verify this.
  
  
  
  Validate Web Service URL:
  
  Confirm that the URL for the web service is correct and accessible. You can test the URL in a web browser or use tools like Postman to check if the service is reachable.
  
  
  
  Activate Required Services:
  
  In the target system, check if the required web service is activated. You can do this in transaction SOAMANAGER. Look for the specific service and ensure it is active.
  
  
  
  Check for Missing Dependencies:
  
  Ensure that all necessary components and dependencies for the web service are installed and configured in the target system.
  
  
  
  Review Logs:
  
  Check the application logs (transaction SLG1) for more detailed error messages that might provide additional context on the failure.
  
  
  
  Consult SAP Notes:
  
  Look for any relevant SAP Notes that might address this specific error. SAP Notes can provide patches or additional guidance for known issues.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SOAMANAGER: For managing web service configurations.
  SLG1: For viewing application logs.
  
  
  Documentation: Refer to the official SAP documentation for the Data Migration Cockpit and web service configuration.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to SAP Support for further assistance.