If you find that Outlook MS CRM add-in is slow (very slow) check if you have Folder redirection enabled for the user.
"Folder Redirection with offline files is not supported for CRM for Outlook. If the CRM data is stored with redirected offline files, users may be unable to use CRM for Outlook."
http://technet.microsoft.com/en-us/library/hh699713.aspx
"Folder Redirection with offline files is not supported for CRM for Outlook. If the CRM data is stored with redirected offline files, users may be unable to use CRM for Outlook."
http://technet.microsoft.com/en-us/library/hh699713.aspx
