How To Fix PO478 - No spool service assigned to server &1 (either directly or indirectly)

PO478 - Overview

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 478

• Message text: No spool service assigned to server &1 (either directly or indirectly)

What causes this issue?

No spool service is assigned to the specified server.
This is the case if:
The server is active, does not have a spool service of its own, and
No alternate server is configured or
There is no configured and active alternate server with a spool
service.
The server is inactive and
No alternate server is configured or
There is no configured and active alternate server with a spool
service.
The server is a logical server and
According to the logical server mapping (including all alternate
servers) there is no active server with a spool server and
No alternate server is configured or
There is no configured and active alternate server with a spool
service.

System Response

The specified server cannot be used as a spool server for the output
requests.

How to fix this error?

Choose another spool server or assign a spool service to this server by
configuring an alternate server, or assigning the specified server at
least one spool work process in its profile.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

PO478 - Details

• The SAP error message PO478 indicates that there is no spool service assigned to the specified server. This can occur in various scenarios, particularly when trying to print documents or generate output that requires a spool request. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Missing Spool Service Assignment: The server specified in the error message does not have a spool service assigned to it. This can happen if the server configuration is incomplete or if the spool service has been removed or not set up correctly.
  Incorrect Server Configuration: The server may not be configured properly in the SAP system, leading to the inability to process spool requests.
  Transport Issues: If the server configuration was recently transported from another system, it may not have included the necessary spool service settings.
  
  
  Solution:
  
  
  Check Spool Service Assignment:
  
  Go to transaction code SPAD (Spool Administration).
  Navigate to Output Devices and find the server mentioned in the