Imap contacts not visible and not synced from server to client

[Timotheus Pokorra]

Hello Vladimir,

> After update to Kolab 3.3 IMAP contacts are not showing in Roundcube
> and not synced from server to client over Exchange Activesyng. Xml
> files containing the contacts are still in the 'Contacts' folder of
> each user, and contacts created in Roundcube or Android/iPhone are
> synced up to the server (xml files appear), but the new contacts also
> are not shown anywhere.

Which Kolab version did you upgrade from? 2.x, 3.1, 3.2?

> What could be a problem? I have checked all configuration files
> mentioned in update manuals, compared them with a new Kolab
> installation (with working contacts) - no result.

Can you see anything unusual in the log files? httpd/apache log, 
roundcube log, or maillog?

Timotheus