How To Fix GBW005 - No connection could be established with target system &1

SAP Error Message - Details

• Message type: E = Error

• Message class: GBW - SAP Consolidation interface to BW

• Message number: 005

• Message text: No connection could be established with target system &1

What causes this issue?

A connection to target system &V1& could not be established.

System Response

Process was canceled.

How to fix this error?

Check the following points:
The target system is running and ready to be logged on to.
The logical destination is created properly. Remote login is running.
If the problem comes up again, contact SAP.

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 GBW005 - No connection could be established with target system &1 ?

  The SAP error message GBW005, which states "No connection could be established with target system &1," typically indicates that there is an issue with the connection between your SAP system and the target system specified in the error message. This can occur in various scenarios, such as when trying to access a remote system, during data transfer, or when executing certain transactions that require communication with another SAP system.
  Causes:
  
  Network Issues: There may be network connectivity problems between the source and target systems. This could be due to firewalls, routing issues, or network outages.
  Incorrect Configuration: The connection settings (RFC destination) may be incorrectly configured in the SAP system. This includes incorrect IP addresses, hostnames, or port numbers.
  Target System Down: The target system may be down or not available for some reason (maintenance, crashes, etc.).
  Authorization Issues: The user credentials used to establish the connection may not have the necessary authorizations to access the target system.
  SAP Gateway Issues: The SAP Gateway service may not be running on the target system, preventing connections.
  Version Compatibility: There may be compatibility issues between different versions of SAP systems.
  
  Solutions:
  
  Check Network Connectivity: Use tools like ping or traceroute to verify that the source system can reach the target system. Ensure that there are no firewalls blocking the connection.
  Verify RFC Destination: Go to transaction SM59 in the source system and check the configuration of the RFC destination for the target system. Ensure that the connection parameters (hostname, service, etc.) are correct.
  Check Target System Status: Ensure that the target system is up and running. You can check this by trying to log in to the target system directly.
  Review Authorizations: Ensure that the user ID being used to connect has the necessary authorizations in both the source and target systems.
  Check SAP Gateway: Ensure that the SAP Gateway service is running on the target system. You can check this in transaction SMGW.
  Review Logs: Check the system logs (transaction SM21) and the developer traces (transaction ST22) for any additional error messages that might provide more context.
  Test Connection: In transaction SM59, you can test the connection to see if it is working properly. This can help identify if the issue is with the configuration or the network.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the GBW005 error message. SAP frequently updates their knowledge base with solutions to common problems.
  Documentation: Review the SAP documentation for configuring RFC connections and troubleshooting connectivity issues.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the GBW005 error in your SAP environment.