samba 4.7.0 AD DC: FSMO roles transfer error

[Rowland Penny]

On Wed, 11 Oct 2017 12:25:51 +0200
Daniele Dario via samba-technical <samba-technical at lists.samba.org>
wrote:

> Hi samba team,
> I'm upgrading my two DCs to 4.7.0 from 4.6.5 and as advised I started
> upgrading the DC which doesn't hold the FSMO roles.
> 
> After successfully upgraded it I tried to transfer the roles to the
> other one but encountered some issues:
> 
> [root at kdc02:~/src/samba-4.7.0]# samba-tool fsmo transfer --role=all -U
> administrator
> FSMO transfer of 'rid' role successful
> ERROR: Transfer of 'pdc' role failed: Failed FSMO transfer:
> NT_STATUS_IO_TIMEOUT
> [root at kdc02:~/src/samba-4.7.0]# samba-tool fsmo transfer --role=all -U
> administrator
> This DC already has the 'rid' FSMO role
> This DC already has the 'pdc' FSMO role
> FSMO transfer of 'naming' role successful
> ERROR: Transfer of 'infrastructure' role failed: Failed FSMO transfer:
> NT_STATUS_IO_TIMEOUT
> [root at kdc02:~/src/samba-4.7.0]# samba-tool fsmo transfer --role=all -U
> administrator
> This DC already has the 'rid' FSMO role
> This DC already has the 'pdc' FSMO role
> This DC already has the 'naming' FSMO role
> This DC already has the 'infrastructure' FSMO role
> This DC already has the 'schema' FSMO role
> Password for [SAITEL\administrator]:
> ERROR(<type 'exceptions.AttributeError'>): uncaught exception -
> 'module' object has no attribute 'drs_utils'
>   File
> "/usr/local/samba/lib/python2.7/site-packages/samba/netcmd/__init__.py",
> line 176, in _run
>     return self.run(*args, **kwargs)
>   File
> "/usr/local/samba/lib/python2.7/site-packages/samba/netcmd/fsmo.py",
> line 515, in run
>     "domaindns", samdb)
>   File
> "/usr/local/samba/lib/python2.7/site-packages/samba/netcmd/fsmo.py",
> line 129, in transfer_dns_role
>     except samba.drs_utils.drsException, e:
> 
> AFAICS, there's a missing "import samba.drs_utils" in fsmo.py.
> 
> Also, if I add a time.sleep(1) between the "transfer_role" statements
> I don't hit the timeout issue when transferring multiple roles on the
> same time.
> 
> Daniele.
> 
> 

Not sure that is the problem, 'samba.drs_utils' is only used when
transferring the dns FSMO roles and you seem to be having problems
before this:  ERROR: Transfer of 'pdc' role failed:

What OS is this running on and are the two DCs local ?

Rowland