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→An Overview of Hyper-V Integration Services
* '''Shutdown Service''' - Allows the guest operating system to be shut down cleanly using the Hyper-V Management interfaces, thereby avoiding the necessity to log into the guest and manually initiate the shutdown procedure. For example, when an administrator selects the ''Shutdown'' action for a virtual machine from with Hyper-V Manager, the parent partition communicates with the Shutdown Service running on the guest operating system to notify it of the request. The Shutdown Service then initiates the guest operating system's shut down process by making standard Windows Management Instrumentation (WMI) calls.
* '''Key/Value Pair Exchange''' - Provides the ability for the child and parent partitions to exchange configuration information through pre-defined registry entries. In the case of the parent partition, it is able to view, set and delete registry entries in the child partition's guest operating system. The relevent In addition, the parent partition configures a number of registry entries are located in into the guest's registry which provide information about the following locations:parent.
Key/value pair data is stored in the following guest operating system registry locations:
* HKLMHKEY_LOCAL_MACHINE\Software\Microsoft\Virtual Machine\Auto
* HKLMHKEY_LOCAL_MACHINE\Software\Microsoft\Virtual Machine\External
* HKLMHKEY_LOCAL_MACHINE\Software\Microsoft\Virtual Machine\Guest\Parameters
Registry entries in the child partition are located in HKLMHKEY_LOCAL_MACHINE\Software\Microsoft\Virtual Machine\Auto and are accessible to thew the parent partition. The specific registry entries are outlined in the following table:
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<td>OSMajorVersion</td><td>The major version number of the guest operating system's major version number.</td>
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<td>OSMinorVersion</td><td>The minor version number of the guest operating system's minor version number.</td>
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<td>OSBuildNumber</td><td>The build number of the guest operating system's build number.</td>
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<td>OSVersion</td><td>The version of the guest operating system (e.g, 5.0.2195)'s version number.</td>
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<td>OSPlatformId</td><td>The guest operating system 's platform (Win9x, NT4 or later)ID value.</td>
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<td>CSDVersion</td><td>The latest most recent Service Pack installed in applied to the guest operating system(e.g. Service pack 1)</td>
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<td>ServicePackMajor</td><td>The major version number of the latest most recent Service Pack installed in applied to the guest operating system(e.g. 1).</td>
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<td>ServicePackMinor</td><td>The minor version number of the latest most recent Service Pack installed in applied to the guest operating system(e.g. 0).</td>
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<td>SuiteMask</td><td>The product suites available installed on the guest system.</td>
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<td>ProductType</td><td>The Numerical value indicating the guest operating system product type installed on in the system (Workstation, Server, DC)child partition.</td>
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<td>OSName</td><td>The name set of the guest operating system installed in HKLM\Software\Microsoft\the child partition (e.g. Windows NT\CurrentVersion\ProductNameServer (R) 2008 Enterprise).</td>
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<td>ProcessorArchitecture</td><td>A Numerical value indicating processor architecture identifier (Intel, Itanium, AMD, unknown)</td>
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<td>FullyQualifiedDomainName</td><td>The fully qualified DNS name that uniquely identifies the guest operating system. This name is a combination of the DNS host name and the DNS domain name. If this is a node in a cluster, then it is the 's fully qualified domain DNS name of the cluster virtual server.</td>
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The parent partition provides the values in HKLM\Software\Microsoft\Virtual Machine\Guest\Parameters to the child partition. These include:
<td>VirtualMachineName</td><td>The name of the virtual machine used by the virtualization stack.</td>
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== Integration Services Supported Guest Operating Systems ==
