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2473024 - Spool Error "Warning: Device unknown"


An output request fails to print. In SP01 the spool is in "Error" status with an OS level message returned from the host spooler or print server.

  • On Windows the error may be:
    "Warning: Device unknown"
    • Status:                 Problem (Error in host spool system)
    • Job status:           Waiting in host spooler
    • Error:                    Error in host spool sys.
    • Info: / Message:   Warning: Device unknown


  •  Windows may also return error:
    "The printer name is invalid."
    • Windows/NT error 1801 [\\ServerName\PrinterName]: "The printer name is invalid."


  • On Linux the error may be:
    • Message from host spool:  /usr/bin/lpr: The printer or class was not found.

  • On AIX the error may be:
    • enq: (FATAL ERROR) : 0781-048 Bad Queue or device name
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SAP NetWeaver all releases


SAP NetWeaver all versions


Print, Printing, OS, SP01, SPAD, SPO, Spool, WP, Work Process, Access Method, Printer Driver, Warning: Device unknown, Error in host spool sys, Windows/NT error 1801, The printer name is invalid, /usr/bin/lpr: The printer or class was not found, enq: (FATAL ERROR) : 0781-048 Bad Queue or device name, Host Printer, Destination Host, Output Device, Access Method S, Access Method U, Access Method C , KBA , BC-CCM-PRN , Print and Output Management , BC-CCM-PRN-DVM , Printer Administration , Problem

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