[Samba] "Incorrectly formatted request" from NT4, "Network responded incorrectly" from SAMBA 'net', trying to join NT4 domain on 4.13, 4.15

[Rowland Penny]

On Mon, 2021-11-08 at 14:10 +0000, Dylan J. Morrison via samba wrote:
> Re "is winbind running" bit of a catch-22 there. winbind gives me
> this error:
> 
>   Could not find our SID. Did we join?
> 
> And then quits. Which means I can't actually have it running while
> attempting to join.

You shouldn't have any Samba daemons running before the join, you start
them afterwards. Since Samba 4.8.0 you must have winbind running if
security = domain or security = ads.

> 
> That said, changing to NT1 and adding the idmap bits did at least
> change the error I'm receiving. Now it's this:
> 
>   Failed to join domain: failed to lookup DC info for domain 'OLDSEP'
> over rpc: [Access Denied] A process has requested access to an object
> but has not been granted those access rights.

Does 'net rpc testjoin' show that the join is okay ?

> 
> And in the event log on the PDC:
> 
>   The session startup for the computer FILESRV failed because these
> is no trust account in the security database for this computer. The
> name of the account referenced in the security database is FILESRV$.
> 
> So it's still failing to do something right, because JOIN should be
> *creating* the trust account. Thanks for the help though, we're on
> the right track.

It looks like you haven't joined.

> Worst comes to worst and I can't figure out how to get them to talk
> to each other I supposed I can compile 4.7 since that's before these
> changes you mentioned.

That might be an idea.

Rowland