[Samba] Almost all print driver uploads fail
Egerváry Gergely
gergely+samba at egervary.hu
Wed Mar 6 09:23:24 UTC 2024
Okay, so I have successfully fixed this one.
The main rule: never ever set `spoolss: os_major' and `oss_minor'. It
fixes some drivers, but brokes all others.
The second rule: restarting the `smbd' process on configuration change
is not enough. You have to kill/restart all rpcd_* services, like
`rpcd_spoolss'.
The third rule: always clean up and double check all permissions,
idmaps, etc.
Thank you for your support.
> Hi,
>
> I'm working on a minimal print server setup for Windows 10/11 x64
> clients.
> No domain, no Kerberos, no LDAP, only a few local users on a
> standalone server with some shared CUPS printers.
> Printing works well.
>
> After setting 'spoolss: os_major = 6' and 'spoolss: os_minor = 1' The
> *Kyocera KX Universal Driver* has uploaded well. But, that's all.
>
> No success uploading other print drivers, like *HP Universal Printing
> PCL6* and *Canon Generic Plus PCL6
> *All of them are failing with messages like:
>
> "Unable to install HP Universal Printing PCL 6, Type 3 - User Mode,
> x64 driver."
> This operation is not supported
>
> and
>
> "Unable to install Canon Generic Plus PCL6, Type 3 - User Mode, x64
> driver."
> This operation is not supported
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