What do you mean by "compatible"?? They are two separate OPERATING SYSTEMS! If you are asking if you can communicate between two computers when one is running vista and the other is running XP then the answer is yes.
Yes, Microsoft Office 2003 is compatible with Windows Vista.
Yes.
A 32mb vram graphics card, I think and an Operating System:Supported Operating Systems: Windows 2000; Windows 2000 Advanced Server; Windows 2000 Professional Edition ; Windows 2000 Server; Windows 2000 Service Pack 2; Windows 2000 Service Pack 3; Windows 2000 Service Pack 4; Windows 7; Windows 98; Windows 98 Second Edition; Windows Home Server; Windows ME; Windows Server 2003; Windows Server 2003 R2 Datacenter Edition (32-Bit x86); Windows Server 2003 R2 Standard Edition (32-bit x86); Windows Server 2003 Service Pack 1; Windows Server 2003 Service Pack 2; Windows Server 2003 Service Pack 2 x64 Edition; Windows Server 2003 x64 editions; Windows Server 2003, Datacenter Edition (32-bit x86); Windows Server 2003, Enterprise Edition (32-bit x86); Windows Server 2003, Standard Edition (32-bit x86); Windows Server 2003, Web Edition; Windows Server 2008; Windows Server 2008 Datacenter; Windows Server 2008 Datacenter without Hyper-V; Windows Server 2008 Enterprise; Windows Server 2008 Enterprise without Hyper-V; Windows Server 2008 Standard; Windows Server 2008 Standard without Hyper-V; Windows Small Business Server 2003 ; Windows Vista; Windows Vista 64-bit Editions Service Pack 1; Windows Vista Business; Windows Vista Business 64-bit edition; Windows Vista Enterprise; Windows Vista Enterprise 64-bit edition; Windows Vista Home Basic; Windows Vista Home Basic 64-bit edition; Windows Vista Home Premium; Windows Vista Home Premium 64-bit edition; Windows Vista Service Pack 1; Windows Vista Starter; Windows Vista Ultimate; Windows Vista Ultimate 64-bit edition; Windows Web Server 2008; Windows XP; Windows XP 64-bit; Windows XP Home Edition ; Windows XP Media Center Edition; Windows XP Professional Edition ; Windows XP Professional x64 Edition ; Windows XP Service Pack 1; Windows XP Service Pack 2; Windows XP Service Pack 3; Windows XP Starter Edition; Windows XP Tablet PC EditionBasically, any operating system, XP, Windows 7 or Vista, it even works on older ones such as 98 or 2000, note that it doesn't work on systems such as windows 95.
No, it is compatiable with vista home premium, I have had it.
Yes, 800 MHz is one (1) of the minimum requirements for upgrading your desktop PC or notebook, from Windows XP to Windows Vista. I received this information from Microsoft.com's, "Windows Vista System Requirements" page or section, whatever you want to call it. (NOTE: Windows Vista is not compatible with Windows 95, Windows 98, Windows ME, Windows NT Workstation 4.0, and Windows Server 2003 Student Edition) For more information on Windows Vista system requirements click on the link below, or copy and paste the link into your URL web browser: http://www.microsoft.com/windows/windows-vista/get/system-requirements.aspx
Yes, according to: support.microsoft.com/kb/822129
Windows 2003 Standard Edition windows 2003 Enterprise Edition Windows 2003 Data Center Edition windows 2003 Web Edition
Not that I'm aware of. I ran both for several months.
Windows Server 2003, Enterprise Edition and Windows Server 2003, Datacenter Edition. Answer:Windows Server 2003 for Itanium-based Systems Enterprise and Datacenter ... Companies can now deploy clusters of servers running Windows Server 2003 to Windows Server 2003 Enterprise Edition, 64-bit version is compatible only with
windows xp prof windows server 2003 all flavor windows vista windows 7 windows server 2008 all flavor
Office XP, 2003, 2007 and 2010. Older ones may work, but are unsupported.
Yes Works Suite 2006 is compatible with Vista 32 bit. See Microsoft's compatability website at http://www.microsoft.com/windows/compatibility/Details.aspx?type=Software&p=Microsoft%20Works%20Suite%202006&v=Microsoft&uid=&pf=1&pi=2&c=Kids'%20%26%20Educational&sc=Educational&os=32-bit