[Samba] transfer FSMO roles from Windows DC

Landau Daniil Landau.D at digdes.com
Thu Mar 24 07:51:37 UTC 2016


Thank you, seizing helped!

Daniil Landau


-----Original Message-----
From: samba [mailto:samba-bounces at lists.samba.org] On Behalf Of Rowland penny
Sent: Monday, March 21, 2016 7:16 PM
To: samba at lists.samba.org
Subject: Re: [Samba] transfer FSMO roles from Windows DC

On 21/03/16 15:44, Landau Daniil wrote:
> I have the Active Directory domain with Windows 2008 R2 domain controller and Samba domain controller on CentOS 7. Samba is 4.3.5 (self-compiled). Forest and domain levels are Windows 2008 R2.
> After joining Samba to the domain as the domain controller there were no DC=ForestDnsZones and DC=DomainDnsZones records on "OUTBOUND NEIGHBORS". I fixed it with ntdsutil, as it's written here (https://wiki.samba.org/index.php/Samba_AD_DC_Troubleshooting).
>
> My goal now is to remove Windows DC from the domain and leave Samba as the only domain controller.
> At this time I can't find the way to transfer ForestDNS and DomainDNS FSMO roles from Windows DC to Samba (other roles transferred successfully).
> (dc01 - is a Windows DC, linux01 - Samba DC)
>
> [root at linux01 ~]# samba-tool fsmo show SchemaMasterRole owner: CN=NTDS 
> Settings,CN=LINUX01,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=
> Configuration,DC=company1,DC=dd InfrastructureMasterRole owner: 
> CN=NTDS 
> Settings,CN=LINUX01,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=
> Configuration,DC=company1,DC=dd RidAllocationMasterRole owner: CN=NTDS 
> Settings,CN=LINUX01,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=
> Configuration,DC=company1,DC=dd PdcEmulationMasterRole owner: CN=NTDS 
> Settings,CN=LINUX01,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=
> Configuration,DC=company1,DC=dd DomainNamingMasterRole owner: CN=NTDS 
> Settings,CN=LINUX01,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=
> Configuration,DC=company1,DC=dd DomainDnsZonesMasterRole owner: 
> CN=NTDS 
> Settings,CN=DC01,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Con
> figuration,DC=company1,DC=dd ForestDnsZonesMasterRole owner: CN=NTDS 
> Settings,CN=DC01,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Con
> figuration,DC=company1,DC=dd
>
> If I try to transfer domaindns and forestdns roles samba-tool fails (with different errors ) and "samba-tool fsmo show" fails permanently after that:
>
> [root at linux01 ~]# samba-tool fsmo transfer --role=domaindns 
> -Uadministrator Password for [COMPANY1\administrator]:
> ERROR: Failed to add role 'domaindns': LDAP error 53 
> LDAP_UNWILLING_TO_PERFORM -  <000020AE: SvcErr: DSID-03152965, problem 
> 5003 (WILL_NOT_PERFORM), data 0
>> <>
> [root at linux01 ~]# samba-tool fsmo transfer --role=domaindns 
> -Uadministrator Password for [COMPANY1\administrator]:
> ERROR: Failed to delete role 'domaindns': LDAP error 16 LDAP_NO_SUCH_ATTRIBUTE -  <00002085: AtrErr: DSID-03151EF2, #1:
>          0: 00002085: DSID-03151EF2, problem 1001 
> (NO_ATTRIBUTE_OR_VAL), data 0, Att 90171 (fSMORoleOwner):len 270
>> <>
> [root at linux01 ~]# samba-tool fsmo transfer --role=forestdns 
> -Uadministrator Password for [COMPANY1\administrator]:
> ERROR: Failed to add role 'forestdns': LDAP error 53 
> LDAP_UNWILLING_TO_PERFORM -  <000020AE: SvcErr: DSID-03152965, problem 
> 5003 (WILL_NOT_PERFORM), data 0
>> <>
> [root at linux01 ~]# samba-tool fsmo transfer --role=forestdns 
> -Uadministrator Password for [COMPANY1\administrator]:
> ERROR: Failed to delete role 'forestdns': LDAP error 16 LDAP_NO_SUCH_ATTRIBUTE -  <00002085: AtrErr: DSID-03151EF2, #1:
>          0: 00002085: DSID-03151EF2, problem 1001 
> (NO_ATTRIBUTE_OR_VAL), data 0, Att 90171 (fSMORoleOwner):len 270
>
> [root at linux01 ~]# samba-tool fsmo show ERROR(<type 
> 'exceptions.KeyError'>): uncaught exception - 'No such element'
>    File "/usr/local/samba/lib64/python2.7/site-packages/samba/netcmd/__init__.py", line 175, in _run
>      return self.run(*args, **kwargs)
>    File "/usr/local/samba/lib64/python2.7/site-packages/samba/netcmd/fsmo.py", line 396, in run
>      domaindnszonesMaster = get_fsmo_roleowner(samdb, domaindns_dn)
>    File "/usr/local/samba/lib64/python2.7/site-packages/samba/netcmd/fsmo.py", line 43, in get_fsmo_roleowner
>      master_owner = res[0]["fSMORoleOwner"][0]
>
> I tried Samba 4.4.0rc5 with same result. I also tried this process on Samba-only AD domain and transfer worked correctly.
> What is the correct way to transfer DomainDnsZonesMasterRole and ForestDnsZonesMasterRole to Samba?
>
>
> Kind regards,
>
> Daniil Landau
>

Have you tried seizing the roles ?

samba-tool fsmo seize --force --role=domaindns -Uadministrator --password=<adminpass>

Rowland


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