How To Fix OSPCT_MSG028 - Test RFC destination &1 with response code &2 and &3

SAP Error Message - Details

• Message type: E = Error

• Message class: OSPCT_MSG - Check Tool Core Message Class

• Message number: 028

• Message text: Test RFC destination &1 with response code &2 and &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OSPCT_MSG028 - Test RFC destination &1 with response code &2 and &3 ?

  The SAP error message OSPCT_MSG028 typically indicates an issue with a Remote Function Call (RFC) destination. This message is generated when a test of the specified RFC destination fails, returning a response code that indicates the nature of the problem.
  Cause:
  The error message OSPCT_MSG028 can be caused by several factors, including:
  
  Network Issues: There may be connectivity problems between the SAP system and the target system defined in the RFC destination.
  Incorrect Configuration: The RFC destination may be incorrectly configured, such as wrong IP address, port number, or system ID.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  Target System Down: The target system may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls or network security settings may be blocking the connection to the target system.
  
  Solution:
  To resolve the OSPCT_MSG028 error, you can follow these steps:
  
  
  Check Network Connectivity:
  
  Use tools like ping or telnet to verify that the SAP system can reach the target system on the specified port.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination that is causing the issue and check its configuration settings (e.g., target host, system number, client, user, and password).
  
  
  
  Test the Connection:
  
  In transaction SM59, select the RFC destination and use the "Test Connection" option to see if it provides more detailed error information.
  
  
  
  Check User Authorizations:
  
  Ensure that the user credentials used in the RFC destination have the necessary authorizations to access the target system.
  
  
  
  Check Target System Status:
  
  Verify that the target system is up and running and that there are no issues on that side.
  
  
  
  Review Firewall Settings:
  
  If applicable, check firewall settings to ensure that they are not blocking the connection between the two systems.
  
  
  
  Consult Logs:
  
  Check the SAP system logs (transaction SM21) and the application logs for any additional error messages that might provide more context.
  
  
  
  Related Information:
  
  RFC Destinations: RFC destinations are defined in transaction SM59 and are used to establish connections between SAP systems or between SAP and non-SAP systems.
  Response Codes: The response codes returned in the error message can provide specific information about the nature of the failure. Common response codes include:
  
  0: Success
  1: Error in the connection
  2: Authorization failure
  Other codes may indicate specific issues that can be looked up in SAP documentation.
  
  
  
  If the issue persists after following these steps, it may be beneficial to consult SAP support or your system administrator for further assistance.