You can use ActiveSync 4.5 with any of the following versions of the Windows operating system:
- <LI class=listItemBullet>Microsoft Windows 2000 Service Pack 4 (SP4)
<LI class=listItemBullet>Windows Server 2003 SP1
<LI class=listItemBullet>Windows Server 2003 SP1 for Itanium-based Systems
<LI class=listItemBullet>Windows Server 2003 Standard x64 Edition
<LI class=listItemBullet>Windows XP Media Center Edition
<LI class=listItemBullet>Windows XP Professional x64 Edition
<LI class=listItemBullet>Windows XP SP1
<LI class=listItemBullet>Windows XP SP2
<LI class=listItemBullet>Windows XP SP3 - Windows XP Tablet PC Edition