[Samba] ClassicUpgrade: ERROR(<type 'exceptions.ValueError'>): uncaught exception - zero length field name in format

Bill Baird Bill.Baird at phoenixmi.com
Sun Sep 16 14:51:25 UTC 2018

I ran the same thing with 4.8.5 and it work without any issues:

Adding groups
Importing groups
Committing 'add groups' transaction to disk
Adding users
Importing users
Committing 'add users' transaction to disk
Adding users to groups
Committing 'add users to groups' transaction to disk

On Sun, Sep 16, 2018 at 10:29 AM Bill Baird <Bill.Baird at phoenixmi.com>

> Hi All,
> Attempting to do a classicupgrade and getting this error:
> *Adding groups*
> *Importing groups*
> *Committing 'add groups' transaction to disk*
> *Adding users*
> *Importing users*
> *Adding users to groups*
> *Committing 'add users to groups' transaction to disk*
> *ERROR(<type 'exceptions.ValueError'>): uncaught exception - zero length
> field name in format*
> *  File
> "/usr/local/samba/lib64/python2.6/site-packages/samba/netcmd/__init__.py",
> line 177, in _run*
> *    return self.run(*args, **kwargs)*
> *  File
> "/usr/local/samba/lib64/python2.6/site-packages/samba/netcmd/domain.py",
> line 1681, in run*
> *    useeadb=eadb, dns_backend=dns_backend, use_ntvfs=use_ntvfs)*
> *  File "/usr/local/samba/lib64/python2.6/site-packages/samba/upgrade.py",
> line 845, in upgrade_from_samba3*
> *    result.names.domaindn, result.lp, use_ntvfs)*
> *  File
> "/usr/local/samba/lib64/python2.6/site-packages/samba/provision/__init__.py",
> line 1693, in setsysvolacl*
> *    userdn = '<SID={}-{}>'.format(domainsid,
> I don't recall seeing this during my testing with 4.8.X, but I decided to
> do my actual upgrade with 4.9. But I'm also not sure it isn't just related
> to a new account or setting we made between testing and now.
> Any help would be appreciated.
> Thanks!

*Bill Baird*
Chief Technology Officer
Office: 845-876-8228 x311
Mobile: 203-545-0437
*To create an IT ticket, please email itsupport at phoenixmi.com
<itsupport at phoenixmi.com> or call 845-943-4222.*

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