[Samba] Removed a DC but...

L.P.H. van Belle belle at bazuin.nl
Wed Oct 2 12:52:08 UTC 2019 

samba-tool dbcheck --cross-ncs --fix
Yes, should be possible, but i normaly do that after i do the following. 

search for : 
CN=58eba604-07e5-4c5d-a104-9e6f4907248f
And
CN=16b8c008-6c59-4b65-9f1b-530751904a75 

In _msdc.dom.tld. 
Verify which GUID is removed, you can see that, then remove the old server GUID. 

Run : 
dig CNAME 58eba604-07e5-4c5d-a104-9e6f4907248f._msdcs.ad.fvg.lnf.it
dig CNAME 16b8c008-6c59-4b65-9f1b-530751904a75._msdcs.ad.fvg.lnf.it

To see the name of the server, then you know which one to pick for sure. 


Greetz, 

Louis


> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> Marco Gaiarin via samba
> Verzonden: woensdag 2 oktober 2019 14:13
> Aan: samba at lists.samba.org
> Onderwerp: Re: [Samba] Removed a DC but...
> 
> Mandi! L.P.H. van Belle via samba
>   In chel di` si favelave...
> 
> > The steps shown here dont work? 
> > https://wiki.samba.org/index.php/Demoting_a_Samba_AD_DC 
> 
> It is what i've done when i've removed the DC, in february...
> 
> 
> > If that is the case and you besides that free of errors. 
> > Then upgrade, and try again once your on at least samba 4.9 
> or 4.10. 
> 
> I was sure there's no errors before, but after removing dangling DNS
> records now i have:
> 
>  root at vdcsv1:~# samba-tool dbcheck --cross-ncs | grep "^ERROR: "
>  ERROR: no target object found for GUID component for 
> msDS-NC-Replica-Locations in object 
> CN=58eba604-07e5-4c5d-a104-9e6f4907248f,CN=Partitions,CN=Confi
guration,DC=ad,DC=fvg,DC=lnf,DC=it - <GUID=f060b28c-> e27e-45f0-89c1-527474a6919c>;<RMD_ADDTIME=131533251720000000>;
<RMD_CHANGETIME=131533251720000000>;<RMD_FLAGS=> 0>;<RMD_INVOCID=bc3f89e3-8ce4-4ddd-956a-ea740e8b2f12>;<RMD_LOC
AL_USN=6174>;<RMD_ORIGINATING_USN=6174>;<RMD_VERSION=0>;CN=NTDS > Settings,CN=VDCPP1,CN=Servers,CN=Default-First-Site-Name,CN=Si
tes,CN=Configuration,DC=ad,DC=fvg,DC=lnf,DC=it
>  ERROR: no target object found for GUID component for 
> msDS-NC-Replica-Locations in object 
> CN=58eba604-07e5-4c5d-a104-9e6f4907248f,CN=Partitions,CN=Confi
guration,DC=ad,DC=fvg,DC=lnf,DC=it - <GUID=> 5de0fcf4-0674-45e9-95df-441773a1f988>;<RMD_ADDTIME=13153325629
0000000>;<RMD_CHANGETIME=131533256290000000>;<RMD_FLAGS=> 0>;<RMD_INVOCID=bc3f89e3-8ce4-4ddd-956a-ea740e8b2f12>;<RMD_LOC
AL_USN=6187>;<RMD_ORIGINATING_USN=6187>;<RMD_VERSION=0>;CN=NTDS > Settings,CN=VDCPP1,CN=Servers,CN=Default-First-Site-Name,CN=Si
tes,CN=Configuration,DC=ad,DC=fvg,DC=lnf,DC=it
>  ERROR: no target object found for GUID component for 
> msDS-NC-Replica-Locations in object 
> CN=58eba604-07e5-4c5d-a104-9e6f4907248f,CN=Partitions,CN=Confi
guration,DC=ad,DC=fvg,DC=lnf,DC=it - <GUID=bdab9051-0882-40ec-> bf6e-b223e4adecd8>;<RMD_ADDTIME=131701765340000000>;<RMD_CHANG
> ETIME=131701765340000000>;<RMD_FLAGS=0>;<RMD_INVOCID=a3936e8e-
> b69e-4b96-8bb5-9f6eb963bee9>;<RMD_LOCAL_USN=202812>;<RMD_ORIGI
NATING_USN=73108>;<RMD_VERSION=0>;CN=NTDS > Settings,CN=VDCUD1,CN=Servers,CN=Default-First-Site-Name,CN=Si
tes,CN=Configuration,DC=ad,DC=fvg,DC=lnf,DC=it
>  ERROR: target DN is deleted for siteList in object 
> CN=DEFAULTIPSITELINK,CN=IP,CN=Inter-Site 
> Transports,CN=Sites,CN=Configuration,DC=ad,DC=fvg,DC=lnf,DC=it
>  - 
> <GUID=f1afd758-05c0-4f77-862f-23ce2ba48b8f>;<RMD_ADDTIME=13170
1784280000000>;<RMD_CHANGETIME=131701784280000000>;<RMD_FLAGS=> 0>;<RMD_INVOCID=5e88c5bf-578b-4ac7-9bee-59d19d1b6b06>;<RMD_LOC
> AL_USN=202866>;<RMD_ORIGINATING_USN=42832>;<RMD_VERSION=0>;CN=
UDINE,CN=Sites,CN=Configuration,DC=ad,DC=fvg,DC=lnf,DC=it
>  ERROR: no target object found for GUID component for 
> interSiteTopologyGenerator in object CN=NTDS Site 
> Settings,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,
DC=ad,DC=fvg,DC=lnf,DC=it - <GUID=bdab9051-0882-40ec-bf6e-> b223e4adecd8>;CN=NTDS 
> Settings,CN=VDCUD1,CN=Servers,CN=Default-First-Site-Name,CN=Si
tes,CN=Configuration,DC=ad,DC=fvg,DC=lnf,DC=it
>  ERROR: no target object found for GUID component for 
> msDS-NC-Replica-Locations in object 
> CN=16b8c008-6c59-4b65-9f1b-530751904a75,CN=Partitions,CN=Confi
> guration,DC=ad,DC=fvg,DC=lnf,DC=it - 
> <GUID=f060b28c-e27e-45f0-89c1-527474a6919c>;<RMD_ADDTIME=13153
3251720000000>;<RMD_CHANGETIME=131533251720000000>;<RMD_FLAGS=> 0>;<RMD_INVOCID=bc3f89e3-8ce4-4ddd-956a-ea740e8b2f12>;<RMD_LOC
AL_USN=6175>;<RMD_ORIGINATING_USN=6175>;<RMD_VERSION=0>;CN=NTDS > Settings,CN=VDCPP1,CN=Servers,CN=Default-First-Site-Name,CN=Si
tes,CN=Configuration,DC=ad,DC=fvg,DC=lnf,DC=it
>  ERROR: no target object found for GUID component for 
> msDS-NC-Replica-Locations in object 
> CN=16b8c008-6c59-4b65-9f1b-530751904a75,CN=Partitions,CN=Confi
> guration,DC=ad,DC=fvg,DC=lnf,DC=it - 
> <GUID=5de0fcf4-0674-45e9-95df-441773a1f988>;<RMD_ADDTIME=13153
3256290000000>;<RMD_CHANGETIME=131533256290000000>;<RMD_FLAGS=> 0>;<RMD_INVOCID=bc3f89e3-8ce4-4ddd-956a-ea740e8b2f12>;<RMD_LOC
AL_USN=6188>;<RMD_ORIGINATING_USN=6188>;<RMD_VERSION=0>;CN=NTDS > Settings,CN=VDCPP1,CN=Servers,CN=Default-First-Site-Name,CN=Si
tes,CN=Configuration,DC=ad,DC=fvg,DC=lnf,DC=it
>  ERROR: no target object found for GUID component for 
> msDS-NC-Replica-Locations in object 
> CN=16b8c008-6c59-4b65-9f1b-530751904a75,CN=Partitions,CN=Confi
> guration,DC=ad,DC=fvg,DC=lnf,DC=it - 
> <GUID=bdab9051-0882-40ec-bf6e-b223e4adecd8>;<RMD_ADDTIME=13170
1765350000000>;<RMD_CHANGETIME=131701765350000000>;<RMD_FLAGS=> 0>;<RMD_INVOCID=a3936e8e-b69e-4b96-8bb5-9f6eb963bee9>;<RMD_LOC
> AL_USN=202802>;<RMD_ORIGINATING_USN=73109>;<RMD_VERSION=0>;CN=
NTDS Settings,CN=VDCUD1,CN=Servers,CN=Default-First-Site-> Name,CN=Sites,CN=Configuration,DC=ad,DC=fvg,DC=lnf,DC=it
> 
> i can try with:
> 
> 	samba-tool dbcheck --cross-ncs --fix
> ?
> 
> -- 
> dott. Marco Gaiarin				        GNUPG 
> Key ID: 240A3D66
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> f +39-0434-842797
> 
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