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Thread: Outlook 2010 Personal Calendar on Zimbra - Strangeness

  1. #1
    Join Date
    Mar 2011
    Posts
    12
    Rep Power
    4

    Default Outlook 2010 Personal Calendar on Zimbra - Strangeness

    Hi Guys,

    We encountered quite a strange issue.
    User's on our Zimbra platform using IMAP with personal calendar, are having issues sending meeting invites to external Exchange server, from Outlook 2010, where the body shows up blank of the meeting.

    I tested this using IMAP account with personal calendar using Outlook 2007.

    The remote user on Exchange ( 2003 ) receives the meeting request body without any issues.

    Using the same account, with Outlook 2010, the meeting request arrives at Exchange side with Body blank.
    Below is how the calendar as received on remote server


    Code:
    BEGIN:VCALENDAR
    PRODID:-//Microsoft Corporation//Outlook 14.0 MIMEDIR//EN
    VERSION:2.0
    METHOD:REQUEST
    X-MS-OLK-FORCEINSPECTOROPEN:TRUE
    BEGIN:VTIMEZONE
    TZID:South Africa Standard Time
    BEGIN:STANDARD
    DTSTART:16010101T000000
    TZOFFSETFROM:+0300
    TZOFFSETTO:+0200
    END:STANDARD
    END:VTIMEZONE
    BEGIN:VEVENT
    ATTENDEE;CN=remoteuser@example.com;RSVP=TRUE:mailto:remoteuser@example.com
    CLASS:PUBLIC
    CREATED:20120123T122811Z
    DESCRIPTION:test123\n
    DTEND;TZID="South Africa Standard Time":20120124T113000
    DTSTAMP:20120123T122811Z
    DTSTART;TZID="South Africa Standard Time":20120124T110000
    LAST-MODIFIED:20120123T122811Z
    LOCATION:office
    ORGANIZER;CN=TEST:mailto:testuser@fakedomain.org
    PRIORITY:5
    SEQUENCE:0
    SUMMARY;LANGUAGE=en-us:test123
    TRANSP:OPAQUE
    UID:040000008200E00074C5B7101A82E00800000000D0AB1E3CDBD9CC01000000000000000
    	01000000017A9209C6EBBDE4EAB93DCCBFE740095
    X-ALT-DESC;FMTTYPE=text/html:<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//E
    	N">\n<HTML>\n<HEAD>\n<META NAME="Generator" CONTENT="MS Exchange Server ve
    	rsion 08.01.0240.003">\n<TITLE></TITLE>\n</HEAD>\n<BODY>\n<!-- Converted f
    	rom text/rtf format -->\n\n<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calib
    	ri">Test</FONT></SPAN><SPAN LANG="en-us"></SPAN></P>\n\n</BODY>\n</HTML
    	>
    X-MICROSOFT-CDO-BUSYSTATUS:TENTATIVE
    X-MICROSOFT-CDO-IMPORTANCE:1
    X-MICROSOFT-CDO-INTENDEDSTATUS:BUSY
    X-MICROSOFT-DISALLOW-COUNTER:FALSE
    X-MS-OLK-AUTOSTARTCHECK:FALSE
    X-MS-OLK-CONFTYPE:0
    BEGIN:VALARM
    TRIGGER:-PT15M
    ACTION:DISPLAY
    DESCRIPTION:Reminder
    END:VALARM
    END:VEVENT
    END:VCALENDAR
    We don't use Daylight savings Time, and our location is GMT+2

    What I did notice that is strange, is the following in the calendar body :

    TZOFFSETFROM:+0300
    TZOFFSETTO:+0200

    There appears to be a 1hour difference, which is strange considering we dont use dst, and I am tempted to think this _might_ be what's causing the issue.

    Anyone else had similar issues to External Exchange servers?

  2. #2
    Join Date
    Mar 2011
    Posts
    12
    Rep Power
    4

    Default

    Hi Guys,

    Just some feedback info regarding this.

    We managed to fix this, this is totally unrelated to Zimbra, but specifically affects Outlook 2010 mail clients using IMAP that sends meeting requests to Exchange 2003 servers.

    There is a client side hotfix available under MS KB 2584053 available from below link

    Description of the Outlook 2010 hotfix package (x86 Outlook-x-none.msp; x64 Outlook-x-none.msp): August 30, 2011

    So if you ever encounter this, you know what to do

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