Software Update: Microsoft Virtual PC 2004 Service Pack 1

Yesterday software giant Microsoft released the first service pack for Virtual PC 2004 released† The package is by clicking this link down and weighs about 24.5 megabytes. Service Pack 1 combines the previously released patches and updates into one package. In addition, the following updates are also available after installation implemented†

SP1 includes the following additional software updates.

• Updated version of Virtual Machine Additions. You should update the version of Virtual Machine Additions on all virtual machines where Virtual Machine Additions is installed. For more information, see “Installing Virtual Machine Additions” in Virtual PC Help.
• Update to support TCP segmentation offloading. Prior to SP1, if TCP Segmentation Offloading was activated, some virtual networking features would not function correctly. With SP1, if your physical network adapter supports TCP segmentation offloading, you can activate TCP segmentation offloading, and virtual networking will function correctly.
• Update to support Group Policy Software Installation. For more information about Group Policy Software Installation, see Help and Support Center in your Microsoft Windows Server 2003 operating system.
• Update to change the default performance option from Give processes on the host system priority to Run Virtual PC at maximum speed.
• Updates to improve the performance of Microsoft Windows XP Service Pack 2.
• Update to allow the name of the host computer and the virtual machine name to be read from within the guest operating system. This functionality is used by server management software, such as Microsoft Systems Management Server 2003.
• The hotfix described in article 833506, which describes how Virtual PC 2004 may stop responding when a virtual machine is started, in the Microsoft Knowledge Base.