The Microsoft Outlook Social Connector cannot connect to the My Site page in Microsoft Office 365 and therefore cannot update social data. Additionally, you receive the following error message:
Could not connect to server.
To resolve this issue, apply the following update:
2597051 Description of the Outlook Social Connector hotfix package (Osc-x-none.msp, Oscmoss-x-none.msp): December 13, 2011
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.