How To Fix CA_TTE_TEST150 - IPC server error on RFC destination &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CA_TTE_TEST - TTE Test Messages

• Message number: 150

• Message text: IPC server error on RFC destination &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CA_TTE_TEST150 - IPC server error on RFC destination &1 ?

  The SAP error message "CA_TTE_TEST150 IPC server error on RFC destination &1" typically indicates an issue with the Inter-Process Communication (IPC) server when trying to connect to a specified RFC (Remote Function Call) destination. This error can arise due to various reasons, including configuration issues, network problems, or server availability.
  Causes:
  
  RFC Destination Configuration: The RFC destination may not be configured correctly. This includes incorrect connection parameters, such as the target host, system number, or client.
  Network Issues: There may be network connectivity problems between the SAP system and the target system specified in the RFC destination.
  IPC Server Availability: The IPC server may be down or not running, leading to an inability to establish a connection.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the IPC server.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication between the systems.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination indicated by &1 in the error message.
  Verify the connection parameters (target host, system number, client, etc.) and ensure they are correct.
  
  
  
  Test the Connection:
  
  In transaction SM59, select the RFC destination and use the "Connection Test" option to check if the connection can be established successfully.
  
  
  
  Check IPC Server Status:
  
  Ensure that the IPC server is running. You may need to check the server logs or use system monitoring tools to verify its status.
  
  
  
  Review Network Connectivity:
  
  Use tools like ping or traceroute to check the network connectivity between the SAP system and the target system.
  Ensure that there are no network issues or outages.
  
  
  
  Check User Authorizations:
  
  Verify that the user credentials used for the RFC connection have the necessary authorizations to access the IPC server.
  
  
  
  Firewall and Security Settings:
  
  Check if there are any firewall rules or security settings that might be blocking the communication between the systems. Adjust the settings as necessary.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SM59 - RFC Destinations
  SM21 - System Log
  ST22 - Dump Analysis
  SICF - HTTP Services
  
  
  SAP Documentation: Review the official SAP documentation for IPC and RFC connections for more detailed information on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.