[horde] Horde Activesync with Outlook 2013/2016: duplicate folders on folder creation

Mon Nov 14 14:09:58 UTC 2016

> -----Ursprüngliche Nachricht-----
> Von: horde [mailto:horde-bounces at lists.horde.org] Im Auftrag von Michael
> J Rubinsky
> Gesendet: Montag, 14. November 2016 14:56
> An: horde at lists.horde.org
> Betreff: Re: [horde] Horde Activesync with Outlook 2013/2016: duplicate
> folders on folder creation
> 
> 
> Quoting Hendrik Noack <hn at axxedia-it.de>:
> 
> > -----Ursprüngliche Nachricht-----
> > Quoting Hendrik Noack <hn at axxedia-it.de>:
> >
> >> Hello everbody,
> >>
> >>
> >>
> >> I did not find anything on the internet on that topic, so I hope
> >> maybe someone has seen this behaviour before.
> >>
> >>
> >>
> >> We are using Debian 8 with Dovecot, Exim and Horde on top. The Horde
> >> installation is up to date. Our clients are using Outlook 2013/2016
> >> to connect via Horde activesync.
> >>
> >> We also have a bunch of iOS and Android devices.
> >>
> >>
> >>
> >> It’s not always happening, but too often to be just a rare bug. When
> >> an Outlook client creates a new mail folder, the folder is created,
> >> then a
> > sync
> >> against horde is started and the very same folder is immediately
> >> sync‘ed back as another new folder. The client now has: folder and
> >> folder [1] in
> > the
> >> database. Right after the appearances of the duplicate folder a new
> >> sync
> > is
> >> started that clears out all mails, contacts and appointments from
> >> that client, so that Outlook appears to be empty. A reset in
> >> activesync for
> > that
> >> client on the server side does not clear this problem, I have to
> >> delete
> > the
> >> local .ost cache for that client. The next sync will then bring back
> >> all mails, contacts and appointment. The duplicate folder is also
> >> gone, as it was never duplicated on the server side.
> >>
> >>
> >>
> >> Creating a folder in IMP always works as it should, I have never seen
> >> duplicates in Outlook when I created the folder in IMP.
> >>
> >>
> >>
> >> My guess is, that there must be something going terribly wrong
> >> sometimes when Outlook tries to create a new folder via activesync.
> >> Or maybe this a problem with my Dovecot configuraiton, but like I
> >> said, the duplicates
> > never
> >> reach the server.
> >
> > Please provide a sync log for further assistance.
> >
> >
> >
> >> Any ideas would be much appreciated.
> >>
> >>
> >>
> >>
> >>
> >> Mit freundlichen Grüßen / Best regards
> >>
> >> Hendrik Noack
> >>
> >>
> >>
> >> --
> >> Axxedia IT GmbH
> >>
> >> Schwabstr. 30
> >> 71106 Magstadt
> >>
> >> Tel +49 7159 4979763
> >> Fax +49 7159 4979775
> >>
> >> Mail hn at axxedia-it.de <mailto:hn at axxedia-it.de>
> >>
> >> Sitz der Gesellschaft: Schwabstr. 30, 71106 Magstadt
> >> Geschäftsführer: Hendrik Noack . Amtsgericht: Stuttgart HRB 727296
> >
> >
> >
> > --
> > mike
> > The Horde Project
> > http://www.horde.org
> > https://www.facebook.com/hordeproject
> > https://www.twitter.com/hordeproject
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> >
> > Hi Mike,
> >
> > your help is always appreciated. Murphy's law is a bi***, I had to
> > bother a few people until it was my private Outlook  that did me a
> > favor and created a duplicate folder (got a small horde install with
> > dovecot and exim in my basement too, just for fun).
> >
> > The log file is pretty big, so I decided to put it into my owncloud.
> > https://www.schwabstrasse.me/owncloud/s/Uk5Dn7x0YWuftT4
> 
> File Not Found.

Ouch, you are right. Here we go:
https://www.schwabstrasse.me/owncloud/s/MUjejC0cNY8aaDS

I set the expiration date too soon.

> 
> 
> > I created a subfolder Test in Belege. Search for "Belege.Test"
> >
> > Btw my private Outlook client is not using Active Directory
> > authentication via pam, but pam is used for local authentication, and
> > I still don't think it's related to authentication, but who knows...
> >
> >
> >
> > Mit freundlichen Grüßen / Best regards
> >
> > Hendrik Noack
> >
> >
> > --
> > Axxedia IT GmbH
> >
> > Schwabstr. 30
> > 71106 Magstadt
> >
> > Tel +49 7159 4979763
> > Fax +49 7159 4979775
> >
> > Mail hn at axxedia-it.de
> >
> > Sitz der Gesellschaft: Schwabstr. 30, 71106 Magstadt
> > Geschäftsführer: Hendrik Noack . Amtsgericht: Stuttgart HRB 727296
> 
> 
> 
> --
> mike
> The Horde Project
> http://www.horde.org
> https://www.facebook.com/hordeproject
> https://www.twitter.com/hordeproject

Mit freundlichen Grüßen / Best regards

Hendrik Noack

--
Axxedia IT GmbH

Schwabstr. 30
71106 Magstadt

Tel +49 7159 4979763
Fax +49 7159 4979775

Mail hn at axxedia-it.de

Sitz der Gesellschaft: Schwabstr. 30, 71106 Magstadt
Geschäftsführer: Hendrik Noack . Amtsgericht: Stuttgart HRB 727296
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