Outlook 2003 doesn't connect to Exchenge 2010

Basicly we just need to remove the encryption requirement from the RPCClientAccess runnig the following command:


Get-RPCClientAccess | Set-RPCClientAccess –EncryptionRequired $false

Source and more ways to fix it:
http://www.howexchangeworks.com/2009/09/cant-connect-outlook-2003-to-exchange.html