Outlook 2007 may crash when you create a new mail when it is connected to Exchane 2010 servers

Issue:
Outlook users in online or Cachedm mode connected to Exchange 2010 creating a new email message get outlook crashed and might get:
Faulting application OUTLOOK.EXE, version 12.0.6504.5000, time stamp 0x49e7f47e, faulting module EMSMDB32.DLL, version 12.0.6504.5001, time stamp 0x49fea4b0, exception code 0xc0000005, fault offset 0x0003adfa, process id 0x2a6c, application start time 0x01ca3097445ad092.


Solution:
Make sure that your users have the msExchQueryBaseDn attribute wit hthe search base DN, make sure that you don't use Exchange 2007 Address List segregation in Exchange 2010 environment.
to add the basedn from powershell use this cmdlet:
get-mailbox -resultsize unlimited

Foreach { $dn = “LDAP://” + $_.distinguishedname;$obj = [ADSI]$dn;$obj.msExchQueryBaseDN = “DC=Domain,DC=local”;$obj.setinfo()}