How To Fix PO536 - Server for frontend printing not started. Session missing

SAP Error Message - Details

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 536

• Message text: Server for frontend printing not started. Session missing

What causes this issue?

Frontend printing requires a free session to print. At the time the
print request was created, all sessions were used.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

End a session and try reprinting. All terminated requests at this
terminal will be re-executed.
You can also restart any printouts terminated at the current terminal
by choosing "Utilities" -> "Restart frontend printing" in transaction
SP01.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PO536 - Server for frontend printing not started. Session missing ?

  The SAP error message "PO536 Server for frontend printing not started. Session missing" typically occurs when there is an issue with the configuration or availability of the print server that handles frontend printing requests. This error can arise in various scenarios, such as when trying to print from SAP GUI or when using certain SAP applications that require printing capabilities.
  Causes:
  
  Print Server Not Running: The print server responsible for handling frontend print requests may not be started or may have crashed.
  Session Issues: The SAP GUI session may not be properly established, leading to a failure in communication with the print server.
  Configuration Issues: Incorrect configuration settings in the SAP system or the print server can lead to this error.
  Network Issues: Network connectivity problems between the client machine and the SAP server can prevent the print job from being processed.
  User Authorization: The user may not have the necessary authorizations to access the print server or perform printing tasks.
  
  Solutions:
  
  Start the Print Server: Ensure that the print server is running. You can check this in the SAP system by going to transaction code SPAD (Spool Administration) and verifying the status of the print server.
  Check Session: Make sure that the SAP GUI session is active and properly connected to the SAP system. If necessary, log out and log back in to establish a new session.
  Review Configuration: Check the configuration settings in transaction SPAD to ensure that the print server is correctly configured. Verify the output device settings and ensure that the frontend printing option is enabled.
  Network Connectivity: Ensure that there are no network issues preventing communication between the client and the SAP server. Check firewall settings and network configurations.
  User Authorizations: Verify that the user has the necessary authorizations to print. This can be checked in the user profile or by consulting with the system administrator.
  Check SAP Notes: Look for any relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  Related Information:
  
  Transaction Codes: 
  
  SPAD: Spool Administration
  SP01: Spool Request Overview
  
  
  SAP Notes: Search for SAP Notes related to printing issues, as they may provide specific fixes or patches.
  Documentation: Review SAP documentation on printing and spool administration for more detailed guidance on configuration and troubleshooting.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.