How To Fix PO702 - Unable to establish connection to Berkeley LPD

SAP Error Message - Details

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 702

• Message text: Unable to establish connection to Berkeley LPD

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 PO702 - Unable to establish connection to Berkeley LPD ?

  The SAP error message PO702, "Unable to establish connection to Berkeley LPD," typically indicates an issue with the connection between the SAP system and the Berkeley Line Printer Daemon (LPD). This error can occur in scenarios where SAP is trying to send print jobs to a printer that is managed by the LPD service.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP application server and the LPD server.
  Configuration Errors: The printer configuration in SAP may be incorrect, including the printer's IP address, port number, or other settings.
  LPD Service Not Running: The LPD service on the target server may not be running or may have crashed.
  Firewall Restrictions: Firewalls may be blocking the necessary ports for LPD communication (typically port 515).
  Incorrect Printer Settings: The printer may not be set up correctly in the SAP system or may not be compatible with the LPD protocol.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or telnet to verify that the SAP server can reach the LPD server on the specified port (usually port 515).
  Ensure that there are no network outages or issues.
  
  
  
  Verify Printer Configuration:
  
  In SAP, check the printer settings in transaction SPAD (Spool Administration).
  Ensure that the printer's IP address and port are correctly configured.
  Make sure that the printer is defined as a "LPD" type printer.
  
  
  
  Check LPD Service:
  
  On the LPD server, ensure that the LPD service is running. You can restart the service if necessary.
  Check the logs on the LPD server for any errors or issues that might indicate why the connection cannot be established.
  
  
  
  Firewall Settings:
  
  Check the firewall settings on both the SAP server and the LPD server to ensure that traffic on port 515 is allowed.
  If necessary, adjust the firewall rules to permit LPD traffic.
  
  
  
  Test with Another Printer:
  
  If possible, try configuring another printer to see if the issue is specific to one printer or if it affects all LPD printers.
  
  
  
  Review SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  LPD Protocol: The Line Printer Daemon (LPD) is a network printing protocol that allows computers to send print jobs to printers over a network.
  SAP Spool Administration (SPAD): This transaction is used to manage printers and spool requests in SAP. It is essential for configuring and troubleshooting printing issues.
  Network Troubleshooting Tools: Familiarize yourself with network troubleshooting tools and commands (like ping, traceroute, telnet, etc.) to diagnose connectivity issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your network administrator or SAP support for further assistance.