Windows – Is it possible to dock the Lync contact list as a taskbar

I love this feature, but this link answers your question.

• Go to Control Panel.
• Click on Ease of Access link or Ease of Access Center icon.
• Select Change how your mouse works or Make the mouse easier to use option.
• Tick the check box for Prevent Windows from being automatically arranged when moved to the edge of the screen with the mouse under “Make it easier to manage windows” section.

This Windows 7 feature is called Aero Snap. Here's the easy way to disable it completely:

1. Go to Control Panel.

2. Click on Ease of Access link or Ease of Access Center icon.

3. Select Change how your mouse works or Make the mouse easier to use option.

4. Tick the check box for Prevent Windows from being automatically arranged when moved to the edge of the screen with the mouse under “Make it easier to manage windows” section.

And here's the roundabout way via the registry:

1. Run Registry Editor (RegEdit).

2. Navigate to the following registry key:

   HKEY_CURRENT_USER\Control Panel\Desktop
   

3. In the right-pane, double click (or right click and select Modify) on WindowArrangementActive, and set its REG_SZ value to 0 to disable ; 1 to enable.

4. Close Registry Editor.

5. Log off and log on again, or restart computer for the change to take effect.

Hope this helps! I haven't found any way to retain functionality for a single edge - it's either all on or all off.