How To Fix 04201 - Attempt to set up connection to & failed

SAP Error Message - Details

• Message type: E = Error

• Message class: 04 -

• Message number: 201

• Message text: Attempt to set up connection to & failed

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 04201 - Attempt to set up connection to & failed ?

  The SAP error message "04201 Attempt to set up connection to & failed" typically indicates that there is an issue with establishing a connection to a specified system or database. This error can occur in various contexts, such as when trying to connect to a database, an external system, or during the execution of certain transactions.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system or database.
  Configuration Errors: Incorrect configuration settings in the SAP system or the target system can lead to connection failures.
  Database Availability: The target database may be down or not reachable due to maintenance or other issues.
  Authorization Issues: The user may not have the necessary permissions to establish a connection to the target system.
  Incorrect Connection Parameters: The connection parameters (like hostname, port, user credentials) may be incorrect or not properly set up.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the target system is active. You can use tools like ping or telnet to test connectivity.
  Review Configuration Settings: Verify the connection settings in the SAP system. This includes checking the RFC destination settings in transaction SM59 for any inconsistencies.
  Database Status: Check if the target database is up and running. If it is down, coordinate with the database administrator to resolve the issue.
  User Permissions: Ensure that the user account being used to establish the connection has the necessary permissions on the target system.
  Correct Connection Parameters: Double-check the connection parameters (hostname, port, user credentials) for accuracy. Make sure they match the configuration of the target system.
  Check Logs: Review the SAP system logs (transaction SM21) and the application logs for any additional error messages that might provide more context about the failure.
  
  Related Information:
  
  Transaction Codes: 
  
  SM59: To manage RFC destinations.
  SM21: To view system logs.
  ST22: To check for dumps that might provide more insight into the error.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address specific issues related to this error message.
  Documentation: Review SAP documentation for details on configuring connections and troubleshooting connectivity issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.