How To Fix WT241 - Error while starting remote function call

SAP Error Message - Details

• Message type: E = Error

• Message class: WT - Retail: Replenishment

• Message number: 241

• Message text: Error while starting remote function call

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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Smart SAP Assistant

• What is the cause and solution for SAP error message WT241 - Error while starting remote function call ?

  Certainly! Here's a detailed explanation regarding the SAP error message WT241: Error while starting remote function call:
  
  Error Message:
  WT241 - Error while starting remote function call
  
  Cause:
  This error occurs when the SAP system tries to initiate a Remote Function Call (RFC) to another system or client, but the call fails to start properly. The reasons can include:
  
  
  Communication Issues:
  
  Network problems between the calling system and the target system.
  The target system is down or unreachable.
  Incorrect hostname or IP address in the RFC destination.
  
  
  
  Incorrect RFC Destination Configuration:
  
  The RFC destination is not properly maintained in transaction SM59.
  Wrong target system parameters (e.g., system number, client, user credentials).
  Missing or incorrect logon data.
  
  
  
  Authorization Problems:
  
  The user configured for the RFC destination lacks necessary authorizations.
  Missing authorizations for remote function execution.
  
  
  
  Gateway Issues:
  
  SAP Gateway is not running or incorrectly configured on the target system.
  Gateway host or service is not reachable.
  
  
  
  Version or Patch Level Mismatch:
  
  Incompatibility between the calling and target system versions or patches.
  
  
  
  Other Technical Issues:
  
  Buffer or memory problems.
  Incorrect or missing function module in the target system.
  
  
  
  
  Solution:
  To resolve the WT241 error, follow these steps:
  
  
  Check RFC Destination in SM59:
  
  Go to transaction SM59.
  Test the RFC destination that is causing the error.
  If the test fails, check the error message for more details.
  Verify hostname, system number, client, user, and password.
  Ensure the target system is up and running.
  
  
  
  Check Network Connectivity:
  
  Ping the target system from the source system server.
  Use telnet <hostname> <port> to check if the SAP gateway port is reachable.
  Verify firewall settings and network routes.
  
  
  
  Verify SAP Gateway Status:
  
  On the target system, check if the SAP Gateway is running (transaction SMGW).
  Restart the gateway if necessary.
  
  
  
  Check User Authorizations:
  
  Verify that the user used in the RFC destination has the required authorizations.
  Check roles and profiles assigned to the user.
  
  
  
  Check Logs and Traces:
  
  Review system logs in SM21.
  Check developer traces (dev_w0, dev_rfc) for detailed error information.
  Look for any gateway or RFC related errors.
  
  
  
  Check for Version Compatibility:
  
  Ensure that the function module being called exists and is compatible.
  Check OSS notes for any known issues related to your SAP versions.
  
  
  
  Restart SAP Services:
  
  Sometimes restarting the SAP system or the gateway service on the target system can resolve transient issues.
  
  
  
  
  Related Information:
  
  Transaction SM59: Used to maintain and test RFC destinations.
  Transaction SMGW: SAP Gateway monitor, check gateway status.
  Transaction SM21: System log for error analysis.
  SAP Notes: Search for specific OSS notes related to WT241 or RFC errors.
  RFC Types: Understand the type of RFC (synchronous, asynchronous, transactional) being used.
  SAP Gateway Ports: Default gateway port is usually 33 (e.g., 3300 for system number 00).
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WT241 - Error while starting remote function call
  
  
  Cause
  Network issues, incorrect RFC config, authorization problems, gateway not running, etc.
  
  
  Solution
  Check and test RFC destination (SM59), verify network and gateway status, check authorizations, review logs, restart services if needed.
  
  
  Related Transactions
  SM59, SMGW, SM21
  
  
  
  
  If you provide more context (e.g., the exact RFC destination name, system landscape, or logs), I can help you with more specific troubleshooting steps.