Home » Kerio User Forums » Kerio Connect » Thunderbird/Lightning - CalDav URL not working after upgrade to 9.0.4 (CalDav Connection für public Calenders not working anymore)

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Hi together,

today i have updated kerio connect from v9.0.1 to v9.0.4.

After the successfull update, some people contact me that the public calenders in Thunderbird/Lightning (v4.7) are not working anymore.

I have do some tests on my testclient an its confirmed, if i add a new network caldav calender with this Url " http://server.domain.com/public-calendars/domain.xx/Ressourc en/Abwesenheiten/"

This URL works for us since a change in 2013.

Is this a change or problem from Kerio or from Thunderbird/Lightning ?

What can we do ? any ideas ?

best regards from Germany/Solingen,


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Hi, thanks for reply,

this helps me for my own Calendar, but i neet an URL for my public calendars in Lightning.

My old URL is:

http://server/public-calendars/mydomain.de/Ressourcen/Abwese nheiten

I have do some Tests with differnt URL Schemas but it dont Work.

Can you gibe me an URL example do add my Public Calendar "Abwesenheiten" ?

thank you,

best regards,


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The KB article includes the URL for public calendars:

For public calendars, and tasks:

I'm not certain how to translate that into your example, but all public calendars should fall under that umbrella and people can choose to subscribe to them (or not).

When I look at the public calendars on my server, in Connect Client I see a checkbox for each public calendar under the "Public Folders" section.

In my CalDAV client (BusyCal), I see the same thing.

I haven't found a way to specifically get the URL of a given public calendar.

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