[Samba] winbindd authentication fails with NT_STATUS_RPC_SEC_PKG_ERROR intermittently

[Rowland Penny]

On 04/07/2023 14:02, Bharath Bheemarasetti via samba wrote:
>>>> Why are you using a non default port for SMB ? The defaults are 139 and 445.
> 
> I not aware of the complete details but we have a dependency for the
> smb server to support multiple domains, so we spin up a container with
> samba for each of the domains and a front server routes it to the
> appropriate container. That is the reason for having non-default ports
> and binding interfaces.
> 

I have never heard of this problem before, but Stefan Metzmacher has 
opened an MR: https://gitlab.com/samba-team/samba/-/merge_requests/3162

And there is a bug report here:

https://bugzilla.samba.org/show_bug.cgi?id=15413

Could this be your problem ?

Rowland