How To Fix RT477 - Inbound scheduler error: Client &1 name &2 status &3

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 477

• Message text: Inbound scheduler error: Client &1 name &2 status &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT477 - Inbound scheduler error: Client &1 name &2 status &3 ?

  The SAP error message RT477, which indicates an "Inbound scheduler error," typically arises in the context of SAP's inbound processing, particularly when dealing with data transfer or integration scenarios. The message provides specific details about the client, name, and status, which can help in diagnosing the issue.
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  Configuration Issues: Incorrect configuration settings in the inbound scheduler or related components.
  Network Problems: Connectivity issues between the SAP system and the source of the inbound data.
  Data Format Issues: The data being sent may not conform to the expected format or structure.
  System Performance: High load on the system or resource constraints may prevent the inbound scheduler from processing requests.
  Authorization Issues: The user or process attempting to execute the inbound operation may lack the necessary permissions.
  
  Solution:
  To resolve the RT477 error, you can follow these steps:
  
  
  Check Configuration: Review the configuration settings for the inbound scheduler and ensure they are set up correctly. This includes checking the RFC destinations and any related settings.
  
  
  Network Connectivity: Verify that there are no network issues preventing communication between systems. You can use tools like ping or telnet to check connectivity.
  
  
  Data Validation: Ensure that the data being sent to the SAP system is in the correct format and adheres to the expected structure. Validate the data against the schema or requirements defined in the SAP system.
  
  
  Monitor System Performance: Check the system performance metrics to see if there are any resource constraints. If the system is under heavy load, consider optimizing performance or scheduling the inbound processing during off-peak hours.
  
  
  Review Authorizations: Ensure that the user or process executing the inbound operation has the necessary authorizations. You can check user roles and permissions in the SAP system.
  
  
  Check Logs: Review the application logs and system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  Restart Services: In some cases, restarting the inbound scheduler or related services may help resolve transient issues.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the RT477 error. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), SLG1 (Application Log), and SM21 (System Log) to help diagnose the issue.
  Documentation: Refer to SAP documentation for the specific module or component you are working with, as it may provide additional insights into the error and its resolution.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.