What does Windows error code 3012 (ERROR_PRINTER_NOT_FOUND) mean?

 
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ERROR_SUCCESS_RESTART_REQUIRED ERROR_PRINTER_DRIVER_WARNED

ERROR_PRINTER_NOT_FOUND

This code should not be collapsed into ERROR_INVALID_PRINTER_NAME or ERROR_UNKNOWN_PRINTER_DRIVER. Those statuses concern a supplied printer name or driver reference; ERROR_PRINTER_NOT_FOUND is useful when the print subsystem's discovery or enumeration path does not yield a printer object.

Windows print APIs can enumerate local and connected printers and can operate against remote print servers. RPC-based remote printing also introduces a server and transport boundary, so an empty result needs to be interpreted in the context of the exact server and enumeration flags used by the caller.

Reproduce the same discovery scope

  • Log the server name, provider context, and EnumPrinters flags or equivalent discovery operation.
  • Compare local enumeration with the intended remote server explicitly; do not assume a locally installed connection represents the server's full queue inventory.
  • Verify the remote spooler/RPC path separately from printer-device reachability.
  • For interoperable servers, compare the server's exported queue inventory using its native administration tools before debugging a driver on a queue the client never discovered.

Microsoft printer and spooler functions · MS-RPRN remote print architecture · Samba rpcclient printer enumeration


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