MAPI provider does not refresh contacts and calendar

[demon.ar]

Binary package hint: evolution

I'm using evolution-mapi to access my exchange server mailbox and i can use the e-mail features correctly, but the calendar and contacts are not syncronized.
using exchange 2003 server

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: evolution 2.30.3-1ubuntu6
ProcVersionSignature: Ubuntu 2.6.35-22.34-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Thu Oct 14 12:28:10 2010
ExecutablePath: /usr/bin/evolution
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_US.utf8
SourcePackage: evolution