How To Fix UASBW018 - Error when accessing remote system &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UASBW - Messages for BW Connection Generation

• Message number: 018

• Message text: Error when accessing remote system &1

What causes this issue?

Error when accessing remote system with RFC destination &V1&,
Error message: &V2&&V3&

System Response

Processing terminated.

How to fix this error?

Make sure that the following prerequisites are fulfilled:
The target system works and is ready for logon.
The RFC destination has been created correctly and remote login is
possible.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UASBW018 - Error when accessing remote system &1 ?

  The SAP error message UASBW018 indicates that there is an issue when trying to access a remote system. This error typically arises in scenarios involving remote function calls (RFC) or when trying to connect to another SAP system or external system.
  Cause:
  The UASBW018 error can be caused by several factors, including:
  
  Network Issues: There may be network connectivity problems between the SAP system and the remote system.
  Configuration Errors: Incorrect configuration settings in the RFC destination or in the remote system.
  Authorization Issues: The user may not have the necessary authorizations to access the remote system.
  Remote System Down: The remote system may be down or not reachable.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the remote system.
  Incorrect Credentials: The credentials used to access the remote system may be incorrect or expired.
  
  Solution:
  To resolve the UASBW018 error, you can follow these steps:
  
  
  Check Network Connectivity:
  
  Ensure that the network connection between the SAP system and the remote system is active and stable.
  Use tools like ping or traceroute to test connectivity.
  
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination that is being used to connect to the remote system.
  Test the connection using the "Connection Test" option.
  
  
  
  Review Authorizations:
  
  Ensure that the user ID being used to access the remote system has the necessary authorizations.
  Check the roles and profiles assigned to the user.
  
  
  
  Check Remote System Status:
  
  Verify that the remote system is up and running.
  If possible, check the logs of the remote system for any errors.
  
  
  
  Firewall and Security Settings:
  
  Ensure that any firewalls or security settings are configured to allow traffic between the two systems.
  Consult with your network/security team if necessary.
  
  
  
  Validate Credentials:
  
  Confirm that the credentials (username and password) used for the RFC connection are correct and have not expired.
  
  
  
  Review SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59 - RFC Destinations
  ST22 - Dump Analysis (to check for any related dumps)
  SM21 - System Log (to check for any related log entries)
  
  
  
  SAP Documentation: Refer to the official SAP documentation for more detailed troubleshooting steps and best practices for configuring RFC connections.
  
  
  If the issue persists after following these steps, it may be necessary to involve your SAP Basis team or SAP support for further assistance.