How To Fix /UI2/SAP_NWBC035 - Target system "&1" (or "&1_HTTP" or "&1_HTTPS") for entry &2 is invalid.

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/SAP_NWBC -

• Message number: 035

• Message text: Target system "&1" (or "&1_HTTP" or "&1_HTTPS") for entry &2 is invalid.

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/SAP_NWBC035 - Target system "&1" (or "&1_HTTP" or "&1_HTTPS") for entry &2 is invalid. ?

  The SAP error message /UI2/SAP_NWBC035 indicates that there is an issue with the target system configuration in the SAP NetWeaver Business Client (NWBC). This error typically arises when the system is unable to find or validate the target system specified in the configuration.
  Cause:
  
  Invalid Target System Configuration: The target system specified in the configuration does not exist or is incorrectly defined.
  Missing or Incorrect RFC Destination: The RFC destination for the target system may not be set up correctly in the SAP system.
  Network Issues: There may be network connectivity issues preventing access to the target system.
  Authorization Issues: The user may not have the necessary authorizations to access the target system.
  Incorrect URL: If the target system is defined with HTTP or HTTPS, the URL may be incorrect or the service may not be running.
  
  Solution:
  
  
  Check Target System Configuration:
  
  Go to transaction SM59 and verify the RFC destination for the target system. Ensure that it is correctly configured and active.
  Ensure that the target system is defined in the SAP GUI or NWBC configuration.
  
  
  
  Validate Network Connectivity:
  
  Test the network connection to the target system. You can use tools like ping or telnet to check connectivity.
  Ensure that firewalls or network policies are not blocking access to the target system.
  
  
  
  Check Authorization:
  
  Ensure that the user has the necessary authorizations to access the target system. This may involve checking roles and profiles assigned to the user.
  
  
  
  Review HTTP/HTTPS Configuration:
  
  If the target system is accessed via HTTP or HTTPS, check the URL configuration. Ensure that the service is running and accessible.
  You can test the URL in a web browser to see if it is reachable.
  
  
  
  Check System Alias:
  
  If you are using a system alias, ensure that it is correctly defined in the SAP GUI or NWBC settings.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error message. SAP Notes can provide additional insights or patches that may resolve the issue.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SM59 (RFC Destinations)
  SU01 (User Maintenance)
  PFCG (Role Maintenance)
  
  
  SAP Documentation: Refer to the official SAP Help Portal for documentation on NWBC and system configuration.
  SAP Community: Engage with the SAP Community forums for discussions and solutions related to similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the /UI2/SAP_NWBC035 error message.