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[Samba] Remove dead server from domain.

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Alex Matthews

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Dec 5, 2012, 7:40:02 AM12/5/12
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Hiya,


I have an S4 domain running that I added another S4 machine to as an
extra domain controller. That machine, unfotunately died (quite
spectacularly I must say, think magic blue smoke). I would like to
remove the dead domain controller from the domain.

In ADUC I can see the DC under 'Domain Controllers' but when I try to
delete it (having ticked the 'permanently offline' box) I get the
following error:

"Windows cannot delete object
LDAP://tainan.internal.stmaryscollege.co.uk/CN=PEFW01,OU=Domain
Controllers,DC=internal,DC=stmaryscollege,DC=co,DC=uk because:

The specified module could not be found."

Is there a command line tool that I could try (samba-tool doesn't seem
to have an option to remove the machine).

Any other suggestions?

Thanks,

Alex
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Thomas Simmons

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Dec 5, 2012, 8:00:03 AM12/5/12
to
Just to note, I have seen the same problem deleting "real" Windows Server
DCs with rc4 and rc5. The first time I try deleting the DC via ADUC, I get
the error:

*Windows cannot delete object
LDAP://10.1.1.254/CN=ADC2,OU=DomainControllers,DC=internal,DC=testdom,DC=com
because:
The parameter is incorrect.

On subsequent tries, the following error is displayed:

Windows cannot delete object
LDAP://10.1.1.254/CN=ADC2,OU=DomainControllers,DC=internal,DC=testdom,DC=com
because:
The specified module could not be found.*
*
*
*My testing has shown that Windows Servers often fail to demote in various
circumstances, so a solution to remove them from AD would be very useful.*


On Wed, Dec 5, 2012 at 7:36 AM, Alex Matthews <qoole...@lillimoth.com>wrote:

> Hiya,
>
>
> I have an S4 domain running that I added another S4 machine to as an extra
> domain controller. That machine, unfotunately died (quite spectacularly I
> must say, think magic blue smoke). I would like to remove the dead domain
> controller from the domain.
>
> In ADUC I can see the DC under 'Domain Controllers' but when I try to
> delete it (having ticked the 'permanently offline' box) I get the following
> error:
>
> "Windows cannot delete object LDAP://tainan.internal.**
> stmaryscollege.co.uk/CN=**PEFW01,OU=Domain<http://tainan.internal.stmaryscollege.co.uk/CN=PEFW01,OU=Domain>Controllers,DC=internal,DC=
> **stmaryscollege,DC=co,DC=uk because:
>
> The specified module could not be found."
>
> Is there a command line tool that I could try (samba-tool doesn't seem to
> have an option to remove the machine).
>
> Any other suggestions?
>
> Thanks,
>
> Alex
> --
> To unsubscribe from this list go to the following URL and read the
> instructions: https://lists.samba.org/**mailman/options/samba<https://lists.samba.org/mailman/options/samba>

Alex Matthews

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Dec 10, 2012, 8:50:01 AM12/10/12
to
Hi all,

Sorry to bump my own thread but are there any suggestions for this issue?

Thanks,

Alex

On 05/12/2012 12:53, Thomas Simmons wrote:
> Just to note, I have seen the same problem deleting "real" Windows
> Server DCs with rc4 and rc5. The first time I try deleting the DC via
> ADUC, I get the error:
>
> *Windows cannot delete object LDAP://10.1.1.254/CN=ADC2,OU=Domain
> <http://10.1.1.254/CN=ADC2,OU=Domain>
> Controllers,DC=internal,DC=testdom,DC=com because:
> The parameter is incorrect.
>
> On subsequent tries, the following error is displayed:
>
> Windows cannot delete object LDAP://10.1.1.254/CN=ADC2,OU=Domain
> <http://10.1.1.254/CN=ADC2,OU=Domain>
> Controllers,DC=internal,DC=testdom,DC=com because:
> The specified module could not be found.*
> *
> *
> *My testing has shown that Windows Servers often fail to demote in
> various circumstances, so a solution to remove them from AD would be
> very useful.*
>
>
> On Wed, Dec 5, 2012 at 7:36 AM, Alex Matthews
> <qoole...@lillimoth.com <mailto:qoole...@lillimoth.com>> wrote:
>
> Hiya,
>
>
> I have an S4 domain running that I added another S4 machine to as
> an extra domain controller. That machine, unfotunately died (quite
> spectacularly I must say, think magic blue smoke). I would like to
> remove the dead domain controller from the domain.
>
> In ADUC I can see the DC under 'Domain Controllers' but when I try
> to delete it (having ticked the 'permanently offline' box) I get
> the following error:
>
> "Windows cannot delete object
> LDAP://tainan.internal.stmaryscollege.co.uk/CN=PEFW01,OU=Domain
> <http://tainan.internal.stmaryscollege.co.uk/CN=PEFW01,OU=Domain>
> Controllers,DC=internal,DC=stmaryscollege,DC=co,DC=uk because:
>
> The specified module could not be found."
>
> Is there a command line tool that I could try (samba-tool doesn't
> seem to have an option to remove the machine).
>
> Any other suggestions?
>
> Thanks,
>
> Alex
> --
> To unsubscribe from this list go to the following URL and read the
> instructions: https://lists.samba.org/mailman/options/samba

X-Dim...@gmx.net

unread,
Dec 10, 2012, 9:10:02 AM12/10/12
to
I have the same problem here.
Would be nice to see a solution for it.

-------- Original-Nachricht --------
> Datum: Mon, 10 Dec 2012 13:49:14 +0000
> Von: Alex Matthews <qoole...@lillimoth.com>
> An: sa...@lists.samba.org
> Betreff: Re: [Samba] Remove dead server from domain.

Andrew Bartlett

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Dec 10, 2012, 4:30:01 PM12/10/12
to
We are aware of some issues in this area, but feel free to file a bug.

We are focussing on getting 4.0 out at the moment, but I would like to
have a force demote utility in the future, as well as sorting these
issues out. To do it properly (particularly live) is actually quite
difficult, there are a lot of steps that should be done to ensure the DC
being demoted has no FSMO roles left and knows it is demoted.

Andrew Bartlett
Andrew Bartlett http://samba.org/~abartlet/
Authentication Developer, Samba Team http://samba.org
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