Hello, i'm using CalendarServer on my Debian Homeserver and evolution as client. My Problem is that I'm login in one group on 2 PCs (host: thomas and laptop). If i create a appointment on laptop i cant see this on my PC! And if i create a appointment on PC, i cant see it on my laptop. I login as the same user in the same group. In the two ICS files that was created by CalendarServer i find two different UID: UID:20080530T114526Z-6528-1000-1-6@thomas UID:20080530T114210Z-7065-1000-1-4@LAPTOP Thank your for your Help! Best Regards Thomas  P.S.: Here is the account.xml and the 2 ICS files My Group and User in accounts.xml: <user> <uid>user1</uid> <guid>user1</guid> <password>******</password> <name>Max Mustermann</name> <cuaddr>mailto:test@blublublbub.org</cuaddr> </user> <group> <uid>familie_ludwig</uid> <guid>familie_ludwig</guid> <password>users</password> <name>Users Group</name> <members> <member type="users">user1</member> </members> </group> The two files that was created for my appointments: cat 20080530T114542Z.ics ------------------------------------------------------------------------ BEGIN:VCALENDAR CALSCALE:GREGORIAN PRODID:-//Ximian//NONSGML Evolution Calendar//EN VERSION:2.0 BEGIN:VEVENT UID:20080530T114526Z-6528-1000-1-6@thomas DTSTAMP:20080530T114526Z DTSTART;TZID=/softwarestudio.org/Tzfile/Europe/Berlin:20080617T060000 DTEND;TZID=/softwarestudio.org/Tzfile/Europe/Berlin:20080617T070000 TRANSP:OPAQUE SEQUENCE:2 SUMMARY:Test PC LOCATION:Muserstadt DESCRIPTION:test CLASS:PUBLIC X-EVOLUTION-CALDAV-HREF:20080530T114542Z.ics END:VEVENT BEGIN:VTIMEZONE TZID:/softwarestudio.org/Tzfile/Europe/Berlin X-LIC-LOCATION:Europe/Berlin BEGIN:STANDARD TZNAME:CET DTSTART:19701026T020000 RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=-2SU;BYMONTH=10 TZOFFSETFROM:+0200 TZOFFSETTO:+0100 END:STANDARD BEGIN:DAYLIGHT TZNAME:CEST DTSTART:19700329T030000 RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=-1SU;BYMONTH=3 TZOFFSETFROM:+0100 TZOFFSETTO:+0200 END:DAYLIGHT END:VTIMEZONE END:VCALENDAR ------------------------------------------------------------------------ cat 20080530T114224Z.ics ------------------------------------------------------------------------ BEGIN:VCALENDAR CALSCALE:GREGORIAN PRODID:-//Ximian//NONSGML Evolution Calendar//EN VERSION:2.0 BEGIN:VEVENT UID:20080530T114210Z-7065-1000-1-4@LAPTOP DTSTAMP:20080530T114210Z DTSTART;TZID=/softwarestudio.org/Tzfile/Europe/Berlin:20080617T163000 DTEND;TZID=/softwarestudio.org/Tzfile/Europe/Berlin:20080617T170000 TRANSP:OPAQUE SEQUENCE:2 SUMMARY:test LAPTOP LOCATION:Muserstadt DESCRIPTION:Test123 CLASS:PUBLIC X-EVOLUTION-CALDAV-HREF:20080530T114224Z.ics END:VEVENT BEGIN:VTIMEZONE TZID:/softwarestudio.org/Tzfile/Europe/Berlin X-LIC-LOCATION:Europe/Berlin BEGIN:STANDARD TZNAME:CET DTSTART:19701026T020000 RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=-2SU;BYMONTH=10 TZOFFSETFROM:+0200 TZOFFSETTO:+0100 END:STANDARD BEGIN:DAYLIGHT TZNAME:CEST DTSTART:19700329T030000 RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=-1SU;BYMONTH=3 TZOFFSETFROM:+0100 TZOFFSETTO:+0200 END:DAYLIGHT END:VTIMEZONE END:VCALENDAR ------------------------------------------------------------------------