How To Fix PS100 - RFC connection failed

SAP Error Message - Details

• Message type: E = Error

• Message class: PS - SAP Electronic Parcel Service

• Message number: 100

• Message text: RFC connection failed

What causes this issue?

An error occurred when setting up the network connection.
Server destination: <LS>&V3&</>
Error code: <LS>&V1&</>
Error text: <LS>&V2&</>
Definition of the error codes:
<DS:TX.BC_EPS_FTP_ERROR_03>03</> RFC system failure
<DS:TX.BC_EPS_FTP_ERROR_04>04</> RFC communication failure

System Response

Transmission not possible.

How to fix this error?

Check the server destination.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PS100 - RFC connection failed ?

  The SAP error message PS100, which indicates "RFC connection failed," typically occurs when there is an issue with the Remote Function Call (RFC) connection between SAP systems or between an SAP system and an external system. This error can arise due to various reasons, and here are some common causes, solutions, and related information:
  Causes of PS100 RFC Connection Failed
  
  
  Network Issues: There may be network connectivity problems between the SAP systems or between the SAP system and the external system.
  
  
  Incorrect Configuration: The RFC destination may not be configured correctly in the SAP system. This includes incorrect parameters such as the target system's hostname, system number, or client.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  
  
  SAP System Down: The target SAP system may be down or not reachable due to maintenance or other issues.
  
  
  Firewall Restrictions: Firewalls or security settings may be blocking the RFC connection.
  
  
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  
  
  Solutions for PS100 RFC Connection Failed
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the target system is reachable from the source system.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination (e.g., TCP/IP connection).
  Ensure that the hostname, system number, and client are correct.
  
  
  
  Test the RFC Connection:
  
  In transaction SM59, select the RFC destination and use the "Connection Test" option to check if the connection can be established.
  
  
  
  Check User Authorizations:
  
  Ensure that the user ID used for the RFC connection has the necessary authorizations in both the source and target systems.
  
  
  
  Check Target System Status:
  
  Verify that the target SAP system is up and running. You can check this by logging into the target system directly.
  
  
  
  Review Firewall Settings:
  
  Ensure that any firewalls between the systems allow traffic on the required ports for RFC communication (typically port 3200 for SAP).
  
  
  
  Check SAP Gateway:
  
  Ensure that the SAP Gateway service is running on the target system. You can check this using 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
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  ST11: Developer Traces
  SMGW: Gateway Monitor
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC connections.
  
  
  Documentation: Refer to the official SAP documentation for detailed information on configuring and troubleshooting RFC connections.
  
  
  By following these steps, you should be able to diagnose and resolve the PS100 RFC connection failed error in your SAP environment.