It seems that every user of Microsoft Outlook will receive automatic updates from time to time. When this occurs the Sugar Outlook Plug-In that can accompany Team Edition gets disabled.
To enable the Outlook Plug-In again, please do the following:
In Microsoft Outlook 2003
Go to Help, About Microsoft Outlook.
Click on the Disabled Items button.
Select the Outlook Plug-In and enable it again.
Close Outlook and Open it again.
In Microsofst Outlook 2007
Go to Help
Go to Disable Items and do the same as above.