The error of “User account does not have permission to open attachment” in Hyper-V Server can occur when you try to use an ISO located on a network drive as a boot drive for a VM. A workaround is to copy the ISOs on the host machine directly but that’s inconvenient and tedious. Follow these steps to fix the permissions and allow Hyper-V to use images through SMB.

User Account Does Not Have Permission

We can fix the user account that does not have permission to open an attachment in Hyper-v with two stages. The first one granting the Hyper-V server access to the network shared folder and the second stage enabling CIFS delegation on the Hyper-V machine.

To fix this issue you must have an AD domain account to grant the Hyper-V host access to the network share.

1. Grant the Hyper-V Machine Access to the Network Shared File.

1. Right-click the network shared folder and open the properties then click Edit under the Security tab.
2. Click Add in the new window then click on Object Types and tick the checkbox next to Computers and then press OK to apply the changes.

3. Now, type the name of the Hyper-V machine which you want to authorize on the shared folder and then press Check Names to validate. After validating the name just click the OK button to add it.

Note: If you do not tick the checkbox of Computers on Object Types the system will not find your Hyper-V machine. Make sure you’ve ticked the Computer checkbox and also your machine should be joined to the domain.

4. Click OK to close all the opened file sharing permissions windows to complete the first stage successfully.

2. Enable CIFS Delegation on the Hyper-V Machine

The CIFS delegation gives service administrators the ability to specify and enforce application trust boundaries by limiting the scope where application services can act on a user’s behalf. Service administrators can configure which front-end service accounts can delegate to their back-end services.

On your AD domain controller complete the following steps.

1. Open the Server Manager then click Active Directory Users and Computers from Tools menu. Or type the dsa.msc on Windows Run to open Active Directory Users and Computers only using shortcut.
2. Expand domain, and then expand the Computers folder.
3. In the right pane, right-click the Hyper-V Machine name, and then click Properties.
4. On the Delegation tab, select Trust this computer for delegation to specified services only and Use any authentication protocol.
5. Click Add to open the Add Services dialog window.

6. Select the Users or Computers on Add Services window, and type the computer name where the network shared folder is located then validate it by clicking on Check Name and click OK.

7. Select the CIFS service for the file-sharing server and click OK to enable CIFS delegation on the Hyper-V Server.

8. Finally, click OK to close all opened windows. Now you can install operating systems on your Hyper-V server virtual machines via network shared files.

Perfect, we’ve done!

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To create a virtual machine in Hyper-V, you need Hyper-V installed on your computer. For installing Hyper-V or enabling Hyper-V on Windows 10, read the below article. After essential configuration of Hyper-v on Windows 10, try to create a virtual machine using this step by step guide.

• Enable and Configure Hyper-V on Windows 10.

In computing, a virtual machine (VM) is an emulation of a computer system. The virtual machines are based on computer architectures and provide the functionality of a physical computer. Their implementations may involve specialized hardware, software, or a combination.

There are different kinds of virtual machines:

• System virtual machines (also termed full virtualization VMs) provide a substitute for a real computer. They provide the functionality needed to execute entire operating systems. A hypervisor uses native execution to share and manage hardware, allowing for multiple environments which are isolated from one another, yet exist on the same physical machine. Modern hypervisors use hardware-assisted virtualization, virtualization-specific hardware, primarily from the host CPUs.
• Process virtual machines are designed to execute computer programs in a platform-independent environment.

Some virtual machines, such as QEMU, are also designed to emulate different architectures and allow execution of software applications and operating systems written for another CPU or architecture. Operating-system-level virtualization allows the resources of a computer to be partitioned via the kernel’s support for multiple isolated user-space instances, which are usually called containers and may look and feel like real machines to the end-users.

Create Virtual Machine in Hyper-V on Windows 10

Creating a virtual machine on Hyper-V is easy, and this tutorial is just a short lab manual guide. You learn how to create a virtual machine in Hyper-V on Windows 10.

Before using Hyper-V on Windows 10 for server virtualization, you need to check your system requirement. It’s terrible that you can not install  Hyper-V role on Windows 10 Home edition.

Hyper-V System Requirements on Windows 10: 

• Windows 10 Enterprise, Professional, or Education
• 64-bit Processor with Second Level Address Translation (SLAT).
• CPU support for VM Monitor Mode Extension (VT-c on Intel CPU’s).
• Minimum of 4 GB memory.

You can not install the Hyper-V role on Windows 10 Home. You must upgrade from Windows 10 Home edition to Windows 10 Professional for creating a Hyper-v virtualized environment.

But for creating a virtualized network environment for practising server virtualization, install VirtualBox or VMware on Windows 10 Home edition. Read the article about creating virtual machine on VMware on Windows 10.

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You can run your workloads on Hyper-V, then easily migrate them from on-premises to a Windows Server virtual machine in the cloud. Deploy applications on multiple operating systems with best-in-class support for Linux on Hyper-V. So, you have a great option in Windows 10 make a virtualization lab for practising virtualization. Are you ready to enable and configure Hyper-V on your Windows 10 for practising in a virtualized environment?

What is Hyper-V in Windows 10?

The Microsoft Hyper-V, formerly known as Windows Server Virtualization, is a native hypervisor; it can create virtual machines on x86-64 systems running Windows. Starting with Windows 8, Hyper-V superseded Windows Virtual PC as the hardware virtualization component of the client editions of Windows NT. A server computer running Hyper-V can be configured to expose individual virtual machines to one or more networks.

Microsoft Hyper-V was first released alongside Windows Server 2008 and has been available without charge for all the Windows Server and some client operating systems since. Now you can use Hyper-V on Windows 10 that make client operating systems and server virtualization easy. Fortunately, the latest version of Hyper-V on Windows 10 support Linux operating systems as well. Now you can create an open network environment with Windows and Linux.

Enable and Configure Hyper-V

Hyper-v is not a downloadable and installable virtualization software like VMware or VirtualBox. It is a Windows 10 built-in feature that can be easily enabled and disabled.

Hyper-V System Requirements on Windows 10: 

• Windows 10 Enterprise, Professional, or Education
• 64-bit Processor with Second Level Address Translation (SLAT).
• CPU support for VM Monitor Mode Extension (VT-c on Intel CPU’s).
• Minimum of 4 GB memory.

The Hyper-V role cannot be installed on Windows 10 Home. You must upgrade from Windows 10 Home edition to Windows 10 Professional for creating a Hyper-v virtualized environment. For more information and troubleshooting, see Windows 10 Hyper-V System Requirements.

To install Hyper-V on Windows 10:

1. Open Windows Features.
2. Enable Hyper-V option.
3. Restart your computer.

1. Press Windows+R keys on the keyboard to open Windows Run. And type “optionalfeatures” and press enter to open Windows Features. Then select Hyper-V from Windows features and click OK to enable Hyper-v on Windows 10.

After enabling Hyper-v on Windows 10, it prompts to restart your computer for applying the Windows changes. Just save your works and click Restart now to restart your PC.

That was using GUI for installing and configuring Hyper-V on Windows 10. But Hyper-V has some PowerShell commands as well. Let’s test how to enable Hyper-V using PowerShell on Windows 10 and Windows Server?

Enable Hyper-V Using PowerShell:

Open a PowerShell console as Administrator and run the following command:

Enable-WindowsOptionalFeature -Online -FeatureName:Microsoft-Hyper-V -All

No matter, you have installed Hyper-V using PowerShell command or GUI, you must restart your computer for applying changes.

Enable Hyper-V with DISM command in Command Prompt

This is another command-line option to enable Hyper-V on Windows 10. The Deployment Image Servicing and Management tool (DISM) helps configure Windows and Windows images. Among its many applications, DISM can enable Windows features while the operating system is running.

To enable the Hyper-V role using DISM:

1. Open up a PowerShell or CMD session as Administrator.
2. Type the following command.

DISM /Online /Enable-Feature /All /FeatureName:Microsoft-Hyper-V

OK.

When you restart your computer, just press type “Hyper-v” on Windows search to find the Hyper-V virtualization software. Yes, check the below screenshot shows the Hyper-V on my computer.

That’s good, your Hyper-v has been enabled and it is ready for server virtualization on Windows 10. The next step is configuring Hyper-v on Windows 10 for server virtualization or practising for the cloud computing network.

Essential Hyper-V Configuration on Windows 10

The below article focuses to configure Hyper-V essential setting for creating a virtualized environment on Windows 10.

• The essential Hyper-V Configuration for Server virtualization on Windows 10.

Good luck.

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In Hyper-v you can connect Hyper-v machines to Internet with two methods that I’m going to explain all step by step. This article is for those, who know the basic of Server Virtualization with Hyper-v. If you don’t know about Hyper-v Virtualization software, I recommend you to read the previews articles of Hyper-V installation and configuration posts.

• Install Hyper-V: Hyper-v Beginner: A Practical Guide to Virtualization. This post shows you how to install Hyper-v on Windows client 8.1, 10 and Windows Server 2012 and Windows Server 2016.
• Configure the necessary Hyper-V settings: Essential Hyper-V Configuration. Explain the configuration of Hyper-v for beginner to create a virtualization testing Lab.

Hyper-v Virtual Switches

The virtual switch is a logical switch which connects virtual machines. Currently, Hyper-v has three different types of virtual switch which I told the preview article also.

• External: Switch is used to connect the virtual machines to external network and Internet. The virtual machines (Guest) and Host will be on the same network.
• Internal: Switch is used to create network connection between guest machines and the host.
• Private: The private switch is used to create network connection between virtual machines only.

Connect Hyper-v Machines to Internet Using External vSwitch

1. Create an external virtual switch in Hyper-v and then link it to the physical host network card. To create a virtual switch, open Hyper-v Manager then clicks Action and click Virtual Switches Manager.

2. From Virtual Switch Manager, select External virtual switch and click Create Virtual Switch.

3. Type a name for this virtual switch and select the exact physical network card which currently connects your host to the internet then click OK to apply the changes.

4. Now, to connect a virtual machine to the internet just select this external virtual switch as network adapter of the virtual machine.  Let’s test it on a Windows 10 Pro.

5. Run a virtual machine then click File and click Settings then select Network Adapter from Virtual Machine Settings. From right side select the external virtual switch as the virtual switch to connect hyper-v machines to internet.

The virtual machine is successfully connected to the internet through the external virtual switch.

Connect Hyper-v Machines to Internet Using ICS

The second method is using Internet Connection Sharing (ICS). ICS is another best practice to connect Hyper-v Machines to the internet. But in this method, you must share the original internet connection for virtual machines. So with ICS, you can connect your all private network machines to the internet. Let’s do it.

The process is the same as creating an external virtual switch. Open the Virtual Switch Manager and create a new one. Only select Internal instead of external the click OK to create the Internal virtual switch.

Enable ICS to Host Machine

1. Type “ncpa.cpl” to Windows Run and press enter to go to network connections of your host machine. Then right-click the Ethernet connection which is connected to the internet then click Properties.

2. On the Ethernet Properties page click Sharing tab then tick the checkbox of Allow other network users to connect through this computer’s internet connection then click OK to apply the changes.

3. Now for your virtual machines, you should choose Internal vSwitch as a virtual switch to connect them to the internet.

Yes, it works fine.

In the environment where your internet connection is a Wi-Fi connection, you can use the second method ICS to connect Hyper-v machines to the internet.

Connect Hyper-V Virtual Machine to Internet – Video

OK, that’s all. Hope you enjoy this Virtualization related article to Hyper-v beginner guide.  If you have any questions, please ask us in the comment box. We will help you fix the problems fast and easy.

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