Minimum system requirements for Office Communicator 2007 R2

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Applies to: Microsoft Office Communicator 2007

System Component	Minimum Requirement
Display Resolution	Required: Super VGA 800x600 Recommended: Super VGA 1080x720 or higher Note: Microsoft® Windows® Tablet PC portrait mode is supported
Operating System	Windows 7 Windows Vista Microsoft® Windows® XP Professional with Service Pack 2
Computer/Processor	Data and Voice: 500-megahertz (MHz) or higher processor, Intel Pentium-compatible For video: Intel Pentium 4; Single Core 1.5 GHz or higher for CIF; Dual Core 1.9 Ghz or higher for VGA; and Quad Core 2.0 Ghz or higher for HD For Microsoft® Office RoundTable™ communications and archival system: 1.8 GHz or higher
Memory	512 megabytes (MB) of RAM (1 GB recommended)
Video Memory	Video card with 64 MB of RAM (video RAM or VRAM) and Microsoft® DirectX® application programming interface
Telephony	Microphone and speakers, headset with microphone, or equivalent device
Video	USB 2.0 video camera or Office RoundTable device

Bandwidth Requirements		Minimum¹	High-Quality¹
	Data	56 kbps	56 kbps
	Voice	50 kbps	80 kbps
	Video	50 kbps	250 kbps (CIF), 600 kbps (VGA), 1.5 Mbps (HD)
	Office RoundTable	50 kbps	250 kbps

Security	Administrator privileges, or, in Windows Vista® Standard User Mode, administrator credentials
Other Requirements	Microsoft® Office Outlook® 2007 and Microsoft® Exchange Server 2007 are required for Outlook integration options.

The following are prerequisites for installing the 2007 R2 version of Communicator Mobile:

Windows Mobile-powered device that is running either Windows Mobile 6.0, Windows Mobile 6.1, or Windows Mobile 6.5
A USB cable for connecting your mobile device to your computer
15 MB or greater of ROM (Read Only Memory) and 96 MB or greater of RAM (Random-access memory) on your mobile device
A voice and data plan for your mobile device
Microsoft ActiveSync® 4.2 or later or Windows® Mobile Device Center is required on the computer that you use to install Communicator Mobile
For Windows XP, download ActiveSync 4.2 from http://www.microsoft.com/downloads/details.aspx?FamilyID=7269173a-28bf-4cac-a682-58d3233efb4c&displaylang=en
For Windows XP, download ActiveSync 4.5 from http://www.microsoft.com/windowsmobile/en-us/help/synchronize/activesync45.mspx
For Windows Vista, download Windows Mobile Device Center from http://r.office.microsoft.com/r/rlidCoMo2?p1=DL_WMDC6&p2=UG
Communicator Mobile requires an Office Communications Server 2007 R2 deployment. Communicator Mobile will not work with a previous release of Office Communications Server

The following are prerequisites for installing the 2007 R2 version of Communicator Web Access:

Microsoft Windows 2000 Service Pack 4

Internet Explorer 6.0 Service Pack 1

Microsoft Windows XP Service Pack 2

Internet Explorer 6.0 Service Pack 2
Internet Explorer 7.0
Firefox 3.0.X

Microsoft Windows Vista

Internet Explorer 7.0
Firefox 3.0.X

Macintosh OS 10.3.9

Safari 1.3.X
Firefox 3.0.X

Macintosh OS 10.5.4

Safari 3.X.X
Firefox 3.0.X

Red Hat Linux 2.16

Firefox 3.0.X

HP UX

Firefox 3.0.X

IBM AIX

Firefox 3.0.X

Sun Solaris

Firefox 3.0.X