Q1: Why is the Lync 2010 Attendee (user level install) update available only from the Microsoft Download Center?
A1: Microsoft is releasing the update for Lync 2010 Attendee (user level install) only through the Microsoft Download Center because the user level installation of Lync 2010 Attendee is handled through a Lync session. Other distribution methods, such as automatic updating, are not appropriate for this kind of installation scenario.
Q2: How do I know whether I have Lync 2010 Attendee (user level install) installed and not Lync 2010 Attendee (admin level install)?
A2: The following registry subkey is present if you have Microsoft Lync 2010 Attendee (user level install) on a computer that is running a 32-bit operating system:
There are no prerequisites for installing this security update.
You may have to restart the computer after you install this security update.
In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message is displayed that advises you to restart the computer.
To help reduce the possibility that a restart will be required, stop all affected services and close all applications that may use the affected files before you install this security update.
The English version of this security update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
For all supported x86-based versions of Lync 2010 Attendee (user level install)