How To Fix BGRFC450 - Cannot create connection to destination &1: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: BGRFC - qRFC - New Background RFC

• Message number: 450

• Message text: Cannot create connection to destination &1: &2

What causes this issue?

The system cannot create a connection to the specified destination.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Use transaction SM59 to check whether the RFC destination data is
correct and whether the target system is running.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BGRFC450 - Cannot create connection to destination &1: &2 ?

  The SAP error message BGRFC450 indicates that there is an issue with creating a connection to a specified destination in the SAP system. This error typically occurs in the context of the Background Remote Function Call (BGRFC) framework, which is used for asynchronous communication between different SAP systems or between different instances of the same system.
  Cause
  The error message BGRFC450 can be caused by several factors, including:
  
  
  Destination Configuration Issues: The destination specified in the error message may not be correctly configured in the SAP system. This could include incorrect parameters, such as the hostname, service, or system ID.
  
  
  Network Issues: There may be network connectivity problems between the SAP system and the target destination. This could be due to firewall settings, network outages, or incorrect routing.
  
  
  Authorization Issues: The user or service account attempting to establish the connection may not have the necessary authorizations to access the destination.
  
  
  Service Availability: The target system or service may be down or not available, leading to connection failures.
  
  
  SAP Gateway Issues: Problems with the SAP Gateway configuration or the gateway service itself can also lead to this error.
  
  
  Solution
  To resolve the BGRFC450 error, you can follow these steps:
  
  
  Check Destination Configuration:
  
  Go to transaction SM59 (RFC Destinations).
  Verify that the destination specified in the error message is correctly configured. Check the connection parameters, including the target host, service, and any required logon credentials.
  
  
  
  Test the Connection:
  
  In transaction SM59, select the destination and use the "Connection Test" option to check if the connection can be established successfully.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues preventing access to the target destination. You can use tools like ping or telnet to test connectivity to the target host and port.
  
  
  
  Review Authorization:
  
  Ensure that the user or service account has the necessary authorizations to access the destination. Check the roles and profiles assigned to the user.
  
  
  
  Check Service Availability:
  
  Verify that the target system or service is up and running. If it is down, you may need to restart it or contact the system administrator.
  
  
  
  Review SAP Gateway Configuration:
  
  Check the SAP Gateway settings and ensure that the gateway service is running properly. You can use transaction SMGW to monitor the gateway.
  
  
  
  Check Logs:
  
  Review the system logs (transaction SM21) and the BGRFC logs (transaction SLG1) for any additional error messages or information that may provide more context about the issue.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SMGW: SAP Gateway Monitor
  SLG1: Application Log
  SM21: System Log
  
  
  
  Documentation: Refer to SAP Help documentation for more details on BGRFC and RFC configuration.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to BGRFC450.
  
  
  By following these steps, you should be able to identify and resolve the underlying cause of the BGRFC450 error in your SAP system.