Official Statement
System Requirements
This software is legacy, therefore it does not support:
* Windows Vista or Windows 7
* Any Windows Server OS
* Any 64-Bit version of Windows
* Integration with TeamSpeak 3
* DirectX versions > 9
The following are the system requirements for TSO at 2006:
* Windows 2000 or Windows XP SP2 / SP3 32-Bit ONLY.
* DirectX 9.0b or 9.0c
* TeamSpeak 2 2.0.33 (Official Client)
* Nvidia ForceWare Drivers 53.04 or newer
* or ATI Catalyst Drivers 4.3 or newer
But you could try this For TS2 only not TS3
http://www.projecttint.com/teamspeakoverlay.php
Installing:
1) Right-Click (RC) installer> Properties > Compatibility > select run in WinXP compatibility mode; Disable Desktop Composition; Run this program as an administrator
2) Click OK
3) Run installer
Running program
1) Right Click TSO icon and select all the options as above in step 1
2) Run TSO
3) Click Options > Debug > Compatibility "Use alternative DirectX method"
4) Add your TS name in the general tab
5) Click enable and run IL2