How To Fix PO394 - **** Device definitions MUST be processed later in the target system ***


PO394 - Overview

  • Message type: E = Error

  • Message class: PO - Spooler message

  • Message number: 394

  • Message text: **** Device definitions MUST be processed later in the target system ***

  • Show details Hide details
  • What causes this issue?

    You want to transport one or more spool output devices.

    System Response

    The local definition of a device in this system is transported.

    How to fix this error?

    In the target system, you must adapt the spool servers for each device
    transported. This is because the system name is used in the instance
    names and it differs in the target system from the name of the current
    system. Logical instance names are an exception; they are defined
    identically in both systems.
    When selecting the new spool servers, ensure the host spool device
    names configured on the respective host are valid (access method L).
    If you are using destination hosts (access method U or S), you must
    ensure that they can be accessed by the new host. Otherwise the
    configured device cannot be activated. If the host name of the
    destination host is defined differently here, you must also adapt the
    entry in the device definition.

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

    Note: To assign a new spool server, choose menu options "Utilities" ->
    "For output devices" -> "Assign server".

    Error message extract from SAP system. Copyright SAP SE.


PO394 - Details

  • The SAP error message PO394, which states "Device definitions MUST be processed later in the target system," typically occurs during the transport of device definitions (like printer configurations) from one SAP system to another. This error indicates that the transport request containing device definitions cannot be processed immediately in the target system due to dependencies or the order of processing.
    
    Cause: Dependency on Other Objects: Device definitions may depend on other objects (like output devices or spool settings) that need to be processed first. Transport Order: The transport order may not be correct, meaning that the device definitions are being transported before the necessary prerequisites are in place. System Configuration: The target system may not be configured to accept the device definitions at the time of transport.
    Solution: Check Transport Order: Ensure that the transport request containing the device definitions is processed after any related transport requests that define the necessary prerequisites. Manual Processing: If the transport

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