[Samba] Samba migrate from ver 4.11.11 to 4.12.5

[Rowland penny]

On 27/07/2020 19:43, admin at prawda.net.pl wrote:
> Win10 in event logs say: The security system has detected an authentication
> error for the serve Insufficient system resources 0xc000009a
>
> In Debian log I see:
> Kerberos: Server not found In database: ldap/.: encryption type 3 not
> supported
> I find in internet that type 3 = DES encryption

I feel your problem may be caused by the way you have compiled Samba, I 
use Louis's repo: http://apt.van-belle.nl/

If I turn up the log level on a DC to 4, I get lines like this: 
Unsupported keytype ignored - type 3

This is with Samba 4.12.5

Can you tell us how you compiled Samba ?

Rowland