Calendar is not synchronising with Exchange server

[Jeyanthan]

Binary package hint: evolution

Calendar and tasks which s been created in Evolution is not synchronising with Exchange server and cannot view in web and Outlook!

But if we create a calendar task in Outlook 2003, it syncs fine ;(

Mails are working fine . .

ProblemType: Bug
Architecture: i386
Date: Fri Aug 27 11:52:42 2010
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/evolution
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
Package: evolution 2.28.1-0ubuntu2
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_IN
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: evolution
Uname: Linux 2.6.31-14-generic i686