Windows 10 Client Hyper-V Update rollup

July 29, 2015, Windows 10 is released worldwide, the client version of Hyper-V is also available to global users, and the client version of Hyper-V is less powerful than Hyper-V server, But there are also more features that are worth the common user to solve the problem of installing multiple operating systems for a single machine. Today for you to comb a comparison of windows8/8.1 on the hyper-v,windows 10 to bring you what new features.

1. Windows PowerShell Direct

Windows PowerShell Direct is a new way of managing a simple, reliable configuration of a running virtual machine with no special network or firewall configured. If you want to use and create the appropriate PowerShell direct session, use the following command.

Enter-pssession-vmname vmnameinvoke-command-vmname vmname-scriptblock {commands}

If you want to use Windows PowerShell Direct, both the host and guest operating systems must be Windows 10 or Windows Server Technical Preview and after Windows Server 2016.

Friends who are familiar with Hyper-V know that in an existing environment, hyper-V administrators rely primarily on the following tools to connect to virtual machines running in Hyper-V:

1) Remote management tools: Remote PowerShell or Remote Desktop

2) Hyper-V Management Console connection (VM connection)

Both of these approaches have been used by administrators more often and are well used, but VM connectivity is difficult to automate, and remote PowerShell requires Windows PowerShell expertise and cannot be maintained in a timely manner.

Windows PowerShell Direct provides a powerful script and automation, as well as the ease of handling VM connections.

2. Hot Add and remove virtual Machine network adapter and memory

In the Windows Server 2012r2 or Windows 8/8.1 era, if a hyper-V administrator wants to modify memory for a running virtual machine, adding or removing a virtual machine network adapter requires a certain amount of downtime to perform the operation.

Now in Windows 10, you can modify this information directly in a running virtual machine.

Hot Add Memory:

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Hot Add Memory

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Here I hope that Microsoft can hot add more things, such as hot change CPU.

3. Production Snapshot

Production checkpoints allow you to easily create snapshots of virtual machines, which can fully support all production workloads in a way that restores later "point in time." This will allow the use of Windows Backup technology to create checkpoints instead of using saved state techniques. For the production Checkpoint Volume Replication Service (VSS) will be used within the Windows virtual machine. Linux virtual machines flush their file system buffers to create a file system consistency checkpoint. If you want to create checkpoints to save the current state of your virtual machines, you can still choose to use standard checkpoints for your virtual machines.

By default, the administrator performs checkpoint technology to prioritize the creation of production checkpoints.

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4. Improvements to the Hyper-V management Console

1) Alternate Credentials support: Now, when you connect to a Windows Server Technical preview remote host, you can use a different set of credentials to verify your identity.

2) Down-level Management: Now you can use Windows 10 Hyper-V Manager to manage multiple versions of Hyper-V, such as Windows Server Technical Preview with Hyper-V, Windows Server 2012/r2 with hyper-v,windows 8/8.1 with Hyper-V.

3) Updated Management Protocol: In the updated Hyper-V Manager, you can use the Ws-man protocol to allow remote Hyper-V hosts to communicate for management by using CREDSSP, Kerberos, or NTLM authentication. When you use CREDSSP to connect to a remote Hyper-V host, it allows you to perform a live migration without configuring Active Directory delegation permissions. Simplifies the configuration required for remote host management by using the Ws-man protocol. (Note: Ws-man uses 80 ports and is turned on by default)

5. Connected Standby Works

When Hyper-V is enabled in Windows 10, the Always on/always Connected (AOAC) power mode is used to ensure that Hyper-V is available in real time. In windows8/8.1, you will need to address the following links.

https://support.microsoft.com/en-us/kb/2973536

6, Linux virtual machine security Boot

In Windows 10, more Linux virtual machines will be available for secure boot in Hyper-V second-generation virtual machines, such as Ubuntu 14.04, SUSE Linux Enterprise Server 12. When you are finished creating a Linux two-generation virtual machine and configured to secure boot mode, we recommend that you use the following command to ensure that your virtual machine is using Microsoft UEFI certification.

Set-vmfirmware vmname-secureboottemplate microsoftueficertificateauthority

For more information about running Linux in Hyper-V, you can participate in:

Https://technet.microsoft.com/library/dn531030.aspx

7. Hyper-V VM configuration file

When you migrate or import a Hyper-V virtual machine in windows8/8.1 to Windows 10, the configuration file for the virtual machine does not automatically upgrade, and this does not affect your use of the virtual machine, but if you want to use the new Hyper-V feature, You will need to manually upgrade the Hyper-V virtual machine configuration file.

Use the following command to check the configuration file information for the current Hyper-V virtual machine

GET-VM * | Format-table Name, Version

Use the following command to upgrade the current Hyper-V virtual machine configuration file

Update-vmconfigurationversion <vmobject>

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Hyper-V Virtual machine configuration file version under windows8/8.1

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Hyper-V Virtual machine configuration file version under Windows 10

Note:

1) After you upgrade the configuration file for the Hyper-V virtual machine, you can no longer migrate the virtual machine from Windows 10 to windows8/8.1;

2) The Hyper-V virtual machine configuration file can not be downgraded from V6 to V5;

3) The virtual machine must be shut down to complete the upgrade of the Hyper-V virtual machine configuration file;

8. New file format for Hyper-V VMS

The new Hyper-V virtual machine configuration file format is designed to improve disk read/write efficiency. And can effectively reduce the risk of potential data corruption when a storage failure occurs.

The new configuration file format extension is. VMCX, and the extension. Vmrs will be used to store the related data. Because the extension file is a binary file, you cannot edit it directly.

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Virtual machine configuration file format under Windows 8/8.1

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Virtual machine configuration file format under Windows 10

9. Cancellation of Hyper-V Integration Services

Before Windows 10 or Windows Server Technical Preview, Hyper-V is typically required to install Hyper-V Integration Services in order to get better usage performance, and the file is built into the system to medium (C:\Windows\ System32\vmguest.iso).

Beginning with Windows 10, Hyper-V Integration Services will be updated to the system via Windows Update for better performance and experience.

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Hyper-V Integration Services under Windows 8/8.1

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Hyper-V under Windows 8/8.1 does not have this option

I'll explain the new features of WINDOWS10 client Hyper-V in a follow-up article.

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Windows 10 Client Hyper-V Update rollup