[Samba] problem with role transfer

[Rowland penny]

On 23/03/2021 07:34, Giuseppe Arvati via samba wrote:
> Hello,
>
> samba 4.8.8
>
> yesterday I tried to transfer fsmo roles from APAMFS2 to DC1PIOP but
>
> during transfer of forestdns and domaindns I had errors
>
> ERROR(<type 'exceptions.AttributeError'>): uncaught exception - 
> 'module' object has no attribute 'drs_utils'
>   File 
> "/usr/local/samba/lib64/python2.7/site-packages/samba/netcmd/__init__.py", 
> line 176, in _run
>     return self.run(*args, **kwargs)
>   File 
> "/usr/local/samba/lib64/python2.7/site-packages/samba/netcmd/fsmo.py", 
> line 520, in run
>     transfer_dns_role(self.outf, sambaopts, credopts, role, samdb)
>   File 
> "/usr/local/samba/lib64/python2.7/site-packages/samba/netcmd/fsmo.py", 
> line 129, in transfer_dns_role
>     except samba.drs_utils.drsException, e:
> You have new mail in /var/spool/mail/root
> [root at dc1piopp script]# samba-tool fsmo transfer --role=domaindns -U 
> Administrator
> Password for [APAM-AD\Administrator]:
> ERROR(<type 'exceptions.AttributeError'>): uncaught exception - 
> 'module' object has no attribute 'drs_utils'
>   File 
> "/usr/local/samba/lib64/python2.7/site-packages/samba/netcmd/__init__.py", 
> line 176, in _run
>     return self.run(*args, **kwargs)
>   File 
> "/usr/local/samba/lib64/python2.7/site-packages/samba/netcmd/fsmo.py", 
> line 520, in run
>     transfer_dns_role(self.outf, sambaopts, credopts, role, samdb)
>   File 
> "/usr/local/samba/lib64/python2.7/site-packages/samba/netcmd/fsmo.py", 
> line 129, in transfer_dns_role
>     except samba.drs_utils.drsException, e:
>
> but the roles seems to be transferred
>
> [root at dc1piopp netcmd]# samba-tool fsmo show
> SchemaMasterRole owner: CN=NTDS 
> Settings,CN=DC1PIOPP,CN=Servers,CN=apamsede,CN=Sites,CN=Configuration,DC=apam-ad,DC=apam,DC=it
> InfrastructureMasterRole owner: CN=NTDS 
> Settings,CN=DC1PIOPP,CN=Servers,CN=apamsede,CN=Sites,CN=Configuration,DC=apam-ad,DC=apam,DC=it
> RidAllocationMasterRole owner: CN=NTDS 
> Settings,CN=DC1PIOPP,CN=Servers,CN=apamsede,CN=Sites,CN=Configuration,DC=apam-ad,DC=apam,DC=it
> PdcEmulationMasterRole owner: CN=NTDS 
> Settings,CN=DC1PIOPP,CN=Servers,CN=apamsede,CN=Sites,CN=Configuration,DC=apam-ad,DC=apam,DC=it
> DomainNamingMasterRole owner: CN=NTDS 
> Settings,CN=DC1PIOPP,CN=Servers,CN=apamsede,CN=Sites,CN=Configuration,DC=apam-ad,DC=apam,DC=it
> DomainDnsZonesMasterRole owner: CN=NTDS 
> Settings,CN=DC1PIOPP,CN=Servers,CN=apamsede,CN=Sites,CN=Configuration,DC=apam-ad,DC=apam,DC=it
> ForestDnsZonesMasterRole owner: CN=NTDS 
> Settings,CN=DC1PIOPP,CN=Servers,CN=apamsede,CN=Sites,CN=Configuration,DC=apam-ad,DC=apam,DC=it
>
> Today I read emails related to the same problem "[Samba] forestdns 
> fsmo role transfer fails - module 'samba' has no attribute 'drs_utils'"
>
> where the problem was a missing import lib in fsmo.py. I added the lib 
> and rerun the command but it says
>
> "This DC already has the 'forestdns' FSMO role"
>
> Can I test for possible problems due to errors durind transfer ?
>
> Which kind on commands can I use to verify if all is ok ?
>
>
> Thnak you
>
> Giuseppe
>
>
>
>
>

If 'samba-tool fsmo show' displays the FSMO roles on the DC(s) you 
expect, then ignore it. You should however upgrade your version of 
Samba, you have run into a bug that was fixed in a later version.

Rowland