How To Fix 1R446 - No connection to RFC destination &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 1R - SAP Knowledge Provider

• Message number: 446

• Message text: No connection to RFC destination &1

What causes this issue?

This error can occur when importing or exporting documents using the
transport system or when shutting down a file server. In these cases,
programs on the file server must be executed by the R/3 System.
When these errors occur, the connection to the file server cannot be
established or was terminated during program execution. Possible
reasons for this are:
The RFC destination &V1& used for the connection is not configured in
your system or is not configured correctly.
The computer which is acting as the file server is not switched on or
the web server has not been started on this computer.
The subsequent error message contains more specific information.

System Response

If the error occurs while importing documents, no document contents are
imported onto the file server involved.
If the error occurs while exporting documents, no document contents are
exported from the file server involved.
If the error occurs while shutting down a file server, this can lead to
an incomplete (but harmless) exit from the program on the file server.

How to fix this error?

If the error occurs while importing documents, the relevant import must
be repeated when the cause of the error has been analyzed and
eliminated.
If the error occurs while exporting documents, the relevant export must
be repeated when the cause of the error has been analyzed and
eliminated.
In all other cases, the situation should be automatically resolved by
the relevant systems.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 1R446 - No connection to RFC destination &1 ?

  The SAP error message 1R446: No connection to RFC destination &1 indicates that there is an issue with the Remote Function Call (RFC) connection to a specified destination. This error can occur for various reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system.
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Target System Down: The target system that the RFC destination points to may be down or not reachable.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Firewall Restrictions: Firewalls may be blocking the connection to the target system.
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination indicated in the error message.
  Verify that the configuration settings (such as the target host, system number, and client) are correct.
  
  
  
  Test the Connection:
  
  In transaction SM59, select the RFC destination and use the "Connection Test" option to check if the connection can be established.
  
  
  
  Check Network Connectivity:
  
  Ensure that the network connection between the SAP system and the target system is functioning properly. You can use tools like ping or telnet to test connectivity.
  
  
  
  Check Target System Status:
  
  Verify that the target system is up and running. If it is down, you may need to contact the system administrator.
  
  
  
  Review User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  
  
  
  Check Firewall Settings:
  
  If applicable, check the firewall settings to ensure that they are not blocking the required ports for RFC communication.
  
  
  
  Check SAP Gateway:
  
  Ensure that the SAP Gateway service is running on both the source and target systems. You can check this in transaction SMGW.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the developer trace files (transaction ST11) for any additional error messages that may provide more context.
  
  
  
  Related Information:
  
  RFC Destinations: RFC destinations are defined in transaction SM59 and are used to establish connections between different SAP systems or between SAP and non-SAP systems.
  SAP Notes: Check SAP Notes for any known issues or patches related to RFC connections.
  Documentation: Refer to SAP documentation for detailed information on configuring and troubleshooting RFC connections.
  
  By following these steps, you should be able to identify and resolve the issue causing the RFC connection error. If the problem persists, consider reaching out to your SAP Basis team or SAP support for further assistance.