How To Fix PO384 - Protected connections only possible with access method 'S'

PO384 - Overview

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 384

• Message text: Protected connections only possible with access method 'S'

What causes this issue?

You attempted to choose an access method other than "S" for an output
device connected through a secure connection to the host spool.
However, secure connections must use access method "S".

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?

Choose access method "S".

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

PO384 - Details

• The SAP error message PO384 indicates that a protected connection is only possible with access method 'S'. This typically occurs when there is an attempt to establish a connection to an SAP system using an access method that does not support secure connections.
  
  Cause:
  The error is usually caused by one of the following reasons:
  
  Incorrect Access Method: The access method being used is not set to 'S' (which stands for secure connections). This can happen if the configuration is set to use a different method (like 'D' for direct connection or 'T' for TCP/IP).
  Network 
  Configuration Issues: There may be network settings or firewall rules that prevent the establishment of a secure connection.
  SAP System Configuration: The SAP system may not be configured to allow secure connections, or the necessary security protocols may not be enabled.
  
  
  Solution:
  To resolve the PO384 error, you can take the following steps:
  
  
  Check Access Method:
  
  Go to the transaction code SM59 (RFC