Sync /seen flag from server to devices connected via ActiveSync possible?

Konstantin Schorp konstantin at
Wed May 28 10:58:19 CEST 2014

Unfortunately not. Android supports multiple calendars via Activesync since 4.4, and I explicitly enabled multiple calendar support by adding the device type to the $ext_devices list in the syncroton source code.

For pre-4.4 devices, additional calendars are just ignored. Now, I have two or more Calendars just called „Calendar“. I suppose only the IMAP folder name is used. Instead, there should be a more meaningful label such as „Mike’s Calendar“ for shared calendars. 

I suppose iOS devices also just show „Calendar“ as label for each shared calendar?



Am 28.05.2014 um 10:50 schrieb Torsten Grote <torsten at>:

> On Tuesday 27 May 2014 22:39:37 Konstantin Schorp wrote:
>> In general, Activesync support is still a little wonky (shared calendars
>> from other users all showing up as „Calendar“, rendering them
>> undistinguishable and therefore unusable). 
> This is most likely a limitation of your Android device that only supports one 
> calender, therefore the Kolab ActiveSync Server merges them together to show 
> you all the events anyway.
> Only most recent versions of Android support multiple calenders via 
> ActiveSync, but I think this is not yet enabled in our code.
> Kind Regards,
> Torsten
> -- 
> Torsten Grote
> Community Manager
> e: torsten at
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