vhd files on my system disk (performance isn’t too bad though, on my screaming new Dell M6400 Intel Core Quad 12GB RAID 1 monster).
But when it comes time to merge, you’re hosed! Until they fix this, I’m forced to keep my. Of course if you don’t mind discarding the undo disk, this isn’t a problem (discarding the undo disk is a wonderful strategy for rolling back to a consistent state that sets the stage for a predictable and repeatable environment for presentations, development, or whatever).
Micorosft virtual pc Pc#
No matter what-even after rebooting-Windows Virtual PC insists that the parent disk is inaccessible, and refuses to perform the merge.
Micorosft virtual pc windows#
While this mode is still supported in Windows Virtual PC on Windows 7, there seems to be a bug that prevents you from eventually committing the undo disk changes back to the. vud file on the system disk-ipso facto, super-fast. vhd file, while simultaneously writing to the undo disk’s. The VM operates in this mode by exclusively reading from the external disk’s. An undo disk automatically gets created in the same folder as the. vhd file) on an external hard drive (or even a flash drive), while the VM configuration (. In Microsoft Virtual PC 2007, you gain superb performance by running your virtual hard disk (. Undo disks won’t merge if vmcx/vhd files are on separate drives vmcx file in x:\Users\YourName\Virtual Machines:īefore banging your head against the wall or jumping to the conclusion that Microsoft’s documentation is wrong (and I did both), just navigate to the real (hidden) directory and you’ll find it there alongside the. vmc file in the hidden folder:įor example, after starting virtual machine SQL08DEV with undo disks enabled, you won’t find the. vmcx file in Notepad, you’ll see that it refers to the. vmc file that is stored in the hidden folder x:\Users\YourName\AppData\Local\Microsoft\Windows Virtual PC\Virtual Machines, and the undo disk is stored in the latter (hidden) location. vmcx file that is visible in x:\Users\YourName\Virtual Machines, and the. That’s a bit confusing, because there are actually two virtual machine configuration files: the. vud undo disk file is created and stored in the same folder as the virtual machine configuration file. According to Microsoft, this is “easier,” so who am I to argue? Finding the Undo disk locationĪccording to the docs, the. Pain in the butt, if you ask me, but such is life. To commit the undo disk changes, you need to revisit the Settings for the virtual machine, open the Undo Disk settings page, and finally click Apply Changes: Instead, you can choose only to hibernate, shut down (properly, keep undo disk), turn off (pull the plug on the virtual machine, keep undo disk), or turn off and discard changes (pull the plug and delete undo disk), and to make that choice your default for the future: In any case, you won’t find the option to commit changes to the undo disk when shutting down the virtual machine. I find the new arrangement annoying, despite claims that it’s now “less confusing” ( ).
But here are a few things that just might trip you up at first… Shutdown options have been reorganized Overall, I find Windows Virtual PC has some very nice enhancements over Microsoft Virtual PC 2007-particularly the new Integration Features, which supports guest machine access to host machine resources via a network shares (replacing Virtual Machine Additions that supported drag-and-drop between host and guest machines). After experiencing the pain of sorting it all out, I thought I’d write this post in the hopes that others can be spared the same grief.ĭon’t get me wrong.
Micorosft virtual pc plus#
This provides you with the flexibility to use different operating systems on one physical computer.If you’re moving from Microsoft Virtual PC 2007 to Windows Virtual PC on Windows 7, get ready for a few changes, plus some things that just don’t work quite right, especially with undo disks. With Microsoft® Virtual PC 2007, you can create and run one or more virtual machines, each with its own operating system, on a single computer.
Save time and money as Virtual PC allows you to maintain the compatibility of legacy and custom applications during migration to new operating systems and increases the efficiency of support, development, and training staffs.
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