If you're running Tiger and Virtual PC 7 (or any other VPC version), you'll likely have gotten the error "Unable to initialize Virtual Switch Networking" when you tried to start it - what that is by the way is more or less the ability for the VPC to get it's own IP on the network instead of using the built in proxy.

Anyway, Microsoft has released an update for VPC7 that fixes the problem (actually it's been out since 2005-06-28). You can get it here (until they change the URL as they do quite frequently).

I am very happy this came out because now I can run my SuSE linux distro to make sure web pages and applications work on both platforms - Mac and Linux ;-)

P.S. Don't forget to allow access to services through your firewall on the Mac side of things.


Microsoft Virtual PC for Mac Version 7.0.2 Update

This update is recommended for all users who are using Virtual PC for Mac Version 7.0 or 7.0.1. This update improves overall stability of Virtual PC and allows Virtual PC to run on Mac OS X Version 10.4.1 or later. For improved compatibility, users are encouraged to update to Mac OS X Version 10.4.3. To download the latest version of Mac OS X, on the Apple menu, click Software Update.

Applies to: Virtual PC for Mac Version 7.0 and 7.0.1

Released: 6/28/2005

  Download now!
 
 
.dmg file size: 17,165 KB
Download!Deutsch (.dmg)
Download!English (.dmg)
Download!Français (.dmg)
Download!Japanese (.dmg)
Download!Svenska (.dmg)


System requirements

Before you can install Virtual PC for Mac Version 7.0.2, one or more of the following programs must be installed on your computer: Virtual PC for Mac Version 7.0 or 7.0.1

In addition, your computer must meet the following minimum requirements:
Processor: 700 MHz native PowerPC G3, G4, or G5 processor
Operating system: Mac OS X Version 10.2.8; Mac OS X Version 10.3; Mac OS X Version 10.4.1 or later. G5 processor requires Mac OS X Version 10.3 or 10.4.1 or later to run Virtual PC for Mac.
Memory: 512 MB of RAM
Hard disk: 70 MB of available hard disk space is temporarily required to complete installation; after installation, the program requires 50 MB of hard disk space
Internet access: Internet connection through either an Internet service provider (ISP) or a network. Internet access might require a fee to an ISP; local or long-distance telephone charges might also apply.

Tip   If you're not sure whether your computer meets these requirements, see the System Profiler program included with the Mac OS. You can start System Profiler by double-clicking its program file in the Applications/Utilities folder on your hard disk.

Installation instructions

Before you install Virtual PC for Mac Version 7.0.2 Update

  • Quit any other programs that are running, including virus-protection programs, because they might interfere with installation.
  • Important   Make sure that your Mac OS X user account has administrator privileges. (You must know both the user name and password for this account.) To check your user account for administrator privileges, on the Apple menu, click System Preferences, and then click Accounts. User accounts with administrator privileges have the word "Admin" beside them. For more information about Admin accounts, see Mac Help.

To install Virtual PC for Mac Version 7.0.2 Update

  1. Print this page if you want to use it as a reference when you are offline.
  2. Make sure your computer meets the minimum system requirements.
  3. In the preceding table, click the language version you want.
  4. Follow the instructions on the screen to save the file to your hard disk.
    If you are using Safari, the file is downloaded to the desktop unless you specified a different folder in the Preferences dialog box of Safari. (To check your preferences, on the Safari menu, click Preferences, and then click General.)
    If you are using Internet Explorer, the Download Manager saves the file to the desktop unless you specified a different folder in the Preferences dialog box of Internet Explorer. (To check your preferences, on the Explorer menu, click Preferences, and then click Download Options in the left pane).
  5. On your hard disk, double-click the file that you downloaded in step 4 to open the disk image.
    Depending on the Web browser that you are currently using, this step might be performed for you automatically.
  6. Double-click Update Virtual PC to start the update.
  7. Follow the on-screen instructions.

To remove Virtual PC for Mac Version 7.0.2 Update

Virtual PC for Mac Version 7.0.2 update does not include an uninstall feature.

Additional information

For more information about Virtual PC for Mac Version 7.0.2, after you install it, see Virtual PC Help.

If you have technical questions or problems downloading or using Virtual PC for Mac Version 7.0.2, visit the Microsoft Support page at www.microsoft.com/mac/support to learn about the support options that are available to you.

Last Updated: November 03, 2005

You may receive an "Unable to initialize Virtual Switch Networking" error message when you start a Virtual PC for Mac Version 7 virtual machine

Article ID:886382
Last Review:November 11, 2004
Revision:1.0

SYMPTOMS

When you start a Microsoft Virtual PC for Mac Version 7 virtual machine, you may receive the following error message:
Unable to initialize Virtual Switch Networking.
Access to the external network and host will be unavailable to all guests using Virtual Switch Networking. Guests using Virtual Switch will still be able to access other guests using Virtual Switch.
The virtual machine starts, but you cannot connect to your network or to the Internet from the virtual machine.

CAUSE

This problem occurs when you start a Microsoft Virtual PC for Mac Version 6.1 virtual machine that uses Virtual Switch Networking before you start a Virtual PC for Mac Version 7 virtual machine that uses Virtual Switch Networking.

Note This problem occurs even if you exit Virtual PC for Mac Version 6.1 before you start Virtual PC for Mac Version 7.

WORKAROUND

To work around this problem, you must exit Virtual PC and then restart your Macintosh computer. When you do this, the Macintosh computer's memory is cleared, and Virtual PC for Mac Version 7 can use Virtual Switch Networking.

APPLIES TO
Microsoft Virtual PC for Mac Version 7
Keywords: 
kbtshoot kbnetwork kbprb KB886382


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