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Windows 7's XP Mode has been improved in a new release candidate. This innovative virtualization feature allows applications to be run within the XP guest OS and seamless integrate with the Windows 7 environment. The front browser is running in XP, while the back is running in Windows 7.  (Source: LILkillaBees Blog)
Windows fans are invited to test out the innovative new OS feature

One of Windows 7's most interesting features is going to be the Windows XP mode, available on Professional and Ultimate editions.  Typically, virtual machines are only supported via separately purchase software from vendors such as VMWare or Microsoft.  This limits virtualization's audience and appeal, leaving out many everyday users.  So Microsoft decided to do something unique and bundle Windows 7 with a virtual machine with Windows XP inside.  This allowed them not only to bring virtualization to the masses, but also to seamlessly integrate compatibility for legacy applications.

The feature, however, was only in rough form in the beta candidate and previous release candidate builds.  Yesterday Microsoft release a new release candidate that at last added a near-finalized version of this functionality.  The build is available here and runs Windows XP SP3. 

Aware of security risks, Microsoft has accompanied the build with a warning that users should install anti-malware and antivirus software to protect Windows XP.  It has been speculated that malicious users could exploit the virtual machine's lack of certain security features -- such as ASLR (Address Space Layout Randomization) or an Internet Explorer Protected Mode -- to perform guest-to-host attacks.  This problem is minimized by the fact that the install comes with a firewall and that Microsoft will be offering free antivirus support for XP as well as Vista and Windows 7 this fall (a second beta is expected to drop soon).

Brandon LeBlanc, a Windows communications manager at Microsoft comments on the new RC build, stating, "Windows XP Mode is specially designed for small and medium-sized businesses to help ease the migration process to Windows 7 by providing additional compatibility for their older productivity applications. The newly updated Windows XP Mode now works with the RC and RTM versions of the Windows 7 Professional, Ultimate and Enterprise SKUs."

The differences in functionality of the new XP Mode and the old are subtle, but significant. Windows XP applications running on the Windows 7 task bar can now be accessed by right clicking.  Disk sharing between Windows 7 and Windows XP mode can now be disabled and users can choose where there Windows XP differencing files are stored.  USB devices can now operate within Windows XP without needing to go into fullscreen mode, useful for accessing content from programs like Word 2003 running in XP Mode.  Finally, a tutorial about XP Mode is now included, a great feature for new users.

Tom Quillin, director of Intel vPro Ecosystem Development lauds the feature, praising that its not only a fun toy for home users, but a valuable asset to businesses.  He states, "The increasing prevalence worldwide of PCs based on Intel Core 2 processors with Intel Virtualization Technology is enabling a variety of new applications that provide business opportunities for greater manageability, security and cost reduction. Used with Windows XP Mode, Intel Virtualization Technology helps small- and medium-sized businesses migrate more efficiently from Windows XP to Windows 7.

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RE: Just a thought...
By Sazar on 8/5/2009 11:56:50 AM , Rating: 4
If the software is no longer supported, it is likely going to cost them a fair bit if something does happen.

Incremental tech refreshes are usually not as troublesome, time consuming or expensive compared to a full-fledged change which requires re-training your employees and introduction of new software.

I completely agree that it depends on your company's needs but the company itself should understand that if the rest of the customer's it is doing business with is using Office 2007 (for example) and it is chugging along on Office 95, there will be a little bit of a disconnect.

RE: Just a thought...
By Ranari on 8/5/2009 12:09:57 PM , Rating: 2
Looks like I'll be buying Windows 7 on release. I actually really like Windows Vista, although I was an idiot and bought the 32bit version. I never had an issue with it like everyone complained about. I think it's a pretty great OS.

But! I want to play my old games like Thief: The Dark Project and such, which I can't get to run. There is a way to fenangle it, but I'm not technically savvy enough to get it working. I'm hoping with the improved XP mode with W7 that I'll be able to just load and go. Gosh, I can't wait!

RE: Just a thought...
By Motoman on 8/5/2009 12:42:13 PM , Rating: 2
...maybe I'm misremembering, but I thought I read somewhere that the WinXP emulation was going to be essentially sans-graphic acceleration - hence, useless for games.

Can anybody confirm?

RE: Just a thought...
By The0ne on 8/5/2009 2:02:41 PM , Rating: 2
I can probably chimed in a bit. I've been using XP mode for a while and more so with RTM. I've actually been advising people to avoid using it really simply because performance isn't there. By this I mean if you were to compare it to running XP SP3 under VMWare, VirtualPC (standalone) or VirtualBox. And yes, I have done that as well.

And while I didn't look too deeply into the XP download, it does appear to be a "modified" version. This may not be important if you are just running simple apps.

If you have no other solution to run your old apps then by all means this is a good solution. If you can download VirtualBox and install your own copy of XP (legal that is) that would work much better.

And lastly, graphics on VMs are limited. 3D is very hard to come by but 2D works ok most of the time. This is for games.

RE: Just a thought...
By iamezza on 8/7/2009 12:33:27 PM , Rating: 2
You're best bet is to run a dual-boot with Windows XP on a separate partition or drive if you want to play old games and for them to run well. Most games don't run well (or at all) with virtualization.

I dual booted Windows 98 / 2000 for a long while for this reason and play on doing the same with XP(32bit) / 7(64bit).

"We shipped it on Saturday. Then on Sunday, we rested." -- Steve Jobs on the iPad launch
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