[This is pre-release documentation and subject to change in future releases. This topic's current status is: Milestone-Ready]

Topic Last Modified: 2010-07-19

The following table contains the minimum hardware and software requirements for Microsoft Communicator "14" and the Online Meeting Add-in for Microsoft Outlook.

See Communicator Compatibility for a complete list of compatible software and operating systems.

Table 1. Hardware and Software Requirements for Communicator “14” and the Online Meeting Add-in for Outlook

System component Minimum requirement

Operating system

Windows 7.

Windows Vista.

Windows XP Professional with Service Pack 3 (SP3). Windows Installer 3.1 and Microsoft Core XML services (MSXML) 6.0 SP1 must be installed before deploying Communicator "14".


Data and voice: 1 gigahertz (GHz) or higher processor; 2 GHz 32-bit or 64-bit processor recommended.

For video: Dual Core 1.9 GHz or higher for VGA; Quad Core 2.0 GHz or higher for High Definition.

For the Microsoft RoundTable conferencing device: 2 GHz or higher.

Display resolution

1024x768 required

Graphics hardware

  • Support for Microsoft DirectX 9 application programming interface

  • 128 MB of graphics memory (minimum)

  • Windows Display Driver Model driver

  • Pixel Shader 2.0 in hardware

  • 32 bits per pixel


1 GB of RAM (2 GB recommended).


Microphone and speakers, headset with microphone, or equivalent device.

Video source

USB 2.0 video camera or RoundTable device.

Bandwidth requirements

Data: 56 kbps (minimum); 56 kbps (high-quality).

Voice: 50 kbps (minimum); 80 kbps (high-quality).

Video: 50 kbps (minimum); 250 kbps for CIF, 600 kbps for VGA, 1.5 Mbps for High Definition (high-quality).

RoundTable device: 50 kbps (minimum); 250 kbps (high-quality).

The required and recommended bandwidth speeds are cumulative. For example, if you want to use voice, Webcam, and the RoundTable device, the minimum bandwidth would be 50+50+50=150 kbps.

Installation and updates

Administrator privileges, or, in Standard User mode, administrator credentials.

Other requirements for Communicator "14"

Other requirements for the Online Meeting Add-in for Outlook

The Online Meeting Add-in for Outlook is supported with Microsoft Office 2003, Microsoft Office 2007, and Microsoft Office 2010.