[Samba] Some clients cannot change their passwords when they expire.

Rommel Rodriguez Toirac rommelrt at nauta.cu
Wed Jun 3 15:42:12 UTC 2020

El 3 de junio de 2020 10:28:19 GMT-04:00, Rowland penny via samba <samba at lists.samba.org> escribió:
>On 03/06/2020 15:08, Rommel Rodriguez Toirac via samba wrote:
>> The operating systems used as clients in our network range mainly
>from Windows XP to Windows 10.
>> With Windows XP operating systems is happening that when it comes
>time for a user to change their password, they cannot do it, because
>the system tells them that they cannot find the domain or it is not
>available. So I have to change it directly on the samba4 server and
>that's when they can start their sessions. This situation is happening
>to me only with PCs with Windows XP operating systems.
>> What could be happening?
>You now also have (as the default) in smb.conf:
>client min protocol = SMB2_02
>server min protocol = SMB2_02
>This means NTLMv1 is turned off and XP uses this by default, so you
>a few options, change the Samba defaults (not recommended), make your
>machines use NTLMv2 or better still, stop using XP as it is six years 
>since it went EOL.
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 Grateful for answer me;
 How can I configure XP to use NTMLv2? Any special suggestion for this?

 I still have workstations that are old enough no to support even Windows 7

 About upgrading from version 4.11.4 to version 4.12.3, will I have problems with that smb.conf and with the ./configure used? 
Will Windows XP be a problem even when  I switch to NTMLv2?

Rommel Rodriguez Toirac
rommelrt at nauta.cu

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