How To Fix WT230 - System failure while starting remote function call &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WT - Retail: Replenishment

• Message number: 230

• Message text: System failure while starting remote function call &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WT230 - System failure while starting remote function call &1 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WT230 - System failure while starting remote function call &1
  
  Cause:
  The error WT230 occurs when the SAP system attempts to start a Remote Function Call (RFC) to another system or client, but the call fails due to a system-level problem. The placeholder &1 typically contains the name of the target system or the RFC destination.
  Common causes include:
  
  Network issues: The target system is unreachable due to network problems (e.g., no connectivity, firewall blocking, DNS issues).
  Incorrect RFC destination configuration: The RFC destination in SM59 is incorrectly configured (wrong target host, system number, or protocol).
  Target system down or not responding: The remote SAP system or external system is not running or is busy.
  Authorization problems: The user or system does not have the required authorizations to execute the RFC.
  SAP Gateway issues: The SAP Gateway on the target system is not running or misconfigured.
  Version incompatibility: The calling system and the target system have incompatible SAP kernel or protocol versions.
  Load or resource problems: The target system is overloaded or has resource constraints.
  
  
  Solution:
  To resolve the WT230 error, follow these steps:
  
  
  Check RFC Destination (SM59):  
  
  Go to transaction SM59 and test the RFC destination mentioned in the error message.  
  Use the "Test Connection" and "Remote Logon" options to verify connectivity and logon capability.  
  Correct any incorrect parameters such as target host, system number, client, user, or password.
  
  
  
  Verify Network Connectivity:  
  
  Ping the target host from the source system's OS level.  
  Check firewall settings and ensure that the required ports (usually 32 for SAP Gateway) are open.
  
  
  
  Check Target System Status:  
  
  Ensure the target SAP system is up and running.  
  Check if the SAP Gateway is active (transaction SMGW on the target system).  
  Restart the SAP Gateway if necessary.
  
  
  
  Check Authorizations:  
  
  Verify that the user used for the RFC has the necessary authorizations on the target system.
  
  
  
  Review System Logs:  
  
  Check system logs (transaction SM21) and developer traces (e.g., dev_w0) on both source and target systems for more detailed error messages.
  
  
  
  Check SAP Kernel and Patch Levels:  
  
  Ensure that both systems have compatible kernel versions and patches applied.
  
  
  
  Restart SAP Systems or Services:  
  
  If the problem persists, consider restarting the SAP Gateway or the entire SAP system on the target side.
  
  
  
  
  Related Information:
  
  Transaction SM59: Used to configure and test RFC destinations.
  Transaction SMGW: SAP Gateway monitor, to check gateway status.
  Transaction SM21: System log for error analysis.
  SAP Note Search: Look for SAP Notes related to WT230 or RFC connection issues.
  SAP OSS Notes: Sometimes specific kernel patches or SAP Notes address known RFC issues.
  
  
  Summary:
  WT230 indicates a failure in starting an RFC call due to system-level issues such as network problems, incorrect RFC configuration, or target system unavailability. The resolution involves checking and correcting the RFC destination, ensuring network connectivity, verifying the target system status, and reviewing authorizations and system logs.
  
  If you provide the exact system name or additional log details, I can help you with more specific troubleshooting steps.