[Samba] debug MS-PAC issue with NFS mounting resulted in host removed from samba DC without any notice

Andrew Bartlett abartlet at samba.org
Tue Feb 16 20:50:50 UTC 2021

On Tue, 2021-02-16 at 15:43 -0500, Jason Keltz via samba wrote:
> I was trying to debug an NFS related issue with MS-PAC.
> I read an article that said you can disable PAC by setting 
> userAccountControl from 4096 (default) to 33554432.
> I used "samba-tool computer edit <server>" to make the change. 
> There 
> was no error.
> # samba-tool computer edit j2
> Modified computer 'j2' successfully
> Now I wanted to see the change:
> # samba-tool computer show j2 | grep -i userAccount
> ERROR: Unable to find computer "j2$"
> HUH?

You needed to OR in the bits (it is a bitfield), ie add the numbers,
not replace them.  You removed the flag for 'computer'.

I hope this clarifies things,

Andrew Bartlett

Andrew Bartlett (he/him)       https://samba.org/~abartlet/
Samba Team Member (since 2001) https://samba.org
Samba Team Lead, Catalyst IT   https://catalyst.net.nz/services/samba

Samba Development and Support, Catalyst IT - Expert Open Source

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