User cant receive meeting requests ,updates and cancelations in exchange 2003/2007

User cant receive meeting requests ,updates and cancellations in exchange 2003/2007
However user can send and receive emails.
It can happen if users legacyExchangeDN attribute is wrong.

In order to fix the problem
Open ADSIedit.msc
Open Domains, dc=domain,dc=com , double click on problematic user.
And confirm if parameter '/cn=' after '/cn=Recipients'. Is missing


Ms Article regarding Exchange 2007 http://support.microsoft.com/kb/556074
Ms Article regarding Exchange 2003 http://support.microsoft.com/kb/556073

Also yo may need hotfix 913579 if problem is related to recursive meetings.

Can't delete messages on Blackberry Device

I had this problem, and I didn't want to wipe my device and run activation again ..

So why it happens?
The message list corrupts from some reason and as result BB OS cannot reference the message ID and delete the message.

Solution:

Conect your device with USB cable , run BB desctop Manager and select backup and restore.
Press on Backup , save the file on your local computer.
Then Pres Advanced on backup menu , select messages on Handheld DB and press Clear
Now the corupted messages list is cleared .
All you need to do is to restore it back.