Consider the following scenario:
- You use Microsoft Office Outlook 2007 on a computer that is running Windows Vista or Windows Server 2008.
- You enable smart card PIN caching on the computer.
- You install the following update on the computer:
2288953 MS10-064: Description of the security update for Office Outlook 2007: September 14, 2010
In this scenario, you are prompted to enter the smart card PIN every time that you try to send a signed email message or read an encrypted email message.