Why Do My Windows Sweat? This is one of the more common questions related to home window maintenance. Window condensation occurs due to warm and cold air meeting on the inside and outside of your windows, combined with a humid environment.
Steps to Modify an Existing VHD. To modify a VHD, you must create a task sequence with the steps required to modify the VHD. Then, select the task sequence in the Modify Virtual Hard Drive Wizard. The wizard attaches the VHD to the virtual machine, runs the task sequence in the VHD, and then updates the VHD file.
The following types of VHD formats are supported by Microsoft Virtual PC and Virtual Server: 1  Fixed hard disk image: a file that is allocated to the size of the virtual disk. 2  Dynamic hard disk image: a file that at any given time is as large as the actual data written to it, plus the size of the header and footer.