Use live migration without Failover Clustering to move a virtual machine

How to move a virtual machine by doing a live migration without using Failover Clustering. A live migration moves running virtual machines between Hyper-V hosts without any noticeable downtime.

To be able to do this, you'll need:

• A user account that's a member of the local Hyper-V Administrators group or the Administrators group on both the source and destination computers.
• The Hyper-V role in Windows Server 2016 or Windows Server 2012 R2 installed on the source and destination servers and set up for live migrations. You can do a live migration between hosts running Windows Server 2016 and Windows Server 2012 R2 if the virtual machine is at least version 5.
  For version upgrade instructions, see Upgrade virtual machine version in Hyper-V on Windows 10 or Windows Server 2016. For installation instructions, see Set up hosts for live migration.
• The Hyper-V management tools installed on a computer running Windows Server 2016 or Windows 10, unless the tools are installed on the source or destination server and you'll run them from there.

Use Hyper-V Manager to move a running virtual machine

1. Open Hyper-V Manager. (From Server Manager, click Tools >>Hyper-V Manager.)
2. In the navigation pane, select one of the servers. (If it isn't listed, right-click Hyper-V Manager, click Connect to Server, type the server name, and click OK. Repeat to add more servers.)
3. From the Virtual Machines pane, right-click the virtual machine and then click Move. This opens the Move Wizard.
4. Use the wizard pages to choose the type of move, destination server, and options.
5. On the Summary page, review your choices and then click Finish.

Use Windows PowerShell to move a running virtual machine

The following example uses the Move-VM cmdlet to move a virtual machine named LMTest to a destination server named TestServer02 and moves the virtual hard disks and other file, such checkpoints and Smart Paging files, to the D:\LMTest directory on the destination server.

PS C:\> Move-VM LMTest TestServer02 -IncludeStorage -DestinationStoragePath D:\LMTest  

Troubleshooting

Failed to establish a connection

If you haven't set up constrained delegation, you must sign in to source server before you can move a virtual machine. If you don't do this, the authentication attempt fails, an error occurs, and this message is displayed:
"Virtual machine migration operation failed at migration Source.
Failed to establish a connection with host computer name: No credentials are available in the security package 0x8009030E."
To fix this problem, sign in to the source server and try the move again. To avoid having to sign in to a source server before doing a live migration, set up constrained delegation. You'll need domain administrator credentials to set up constrained delegation. For instructions, see Set up hosts for live migration.

Failed because the host hardware isn't compatible

If a virtual machine doesn't have processor compatibility turned on and has one or more snapshots, the move fails if the hosts have different processor versions. An error occurs and this message is displayed:
The virtual machine cannot be moved to the destination computer. The hardware on the destination computer is not compatible with the hardware requirements of this virtual machine.

To fix this problem, shut down the virtual machine and turn on the processor compatibility setting.

1. From Hyper-V Manager, in the Virtual Machines pane, right-click the virtual machine and click Settings.
2. In the navigation pane, expand Processors and click Compatibility.
3. Check Migrate to a computer with a different processor version.
4. Click OK.
   To use Windows PowerShell, use the Set-VMProcessor cmdlet:
   

   PS C:\> Set-VMProcessor TestVM -CompatibilityForMigrationEnabled $true
   

Backing up Hyper-V virtual machines from the command line

The tool you will want to use is “wbadmin.exe”
Backing up a virtual machine is fairly straight forward.  Your command will look like this:

wbadmin start backup –backupTarget: –hyperv:

Which will result in something like this:

Some things to be aware of:

• Wbadmin will always warn you that the virtual machine will be put into a saved state for backup.  This is wrong.  The virtual machine will only be put into a saved state if it is not running the latest virtual machine additions (or is not a Windows virtual machine).
• You will be prompted before the backup starts.  You can get around this by adding –force to the end of the command.
• You can use either the virtual machine name or the virtual machine ID when selecting virtual machines.
• You can list multiple virtual machines to backup.
• If you are backing up to a SMB share – new backups will automatically overwrite old backups (i.e. there will only be one backup kept on the share).  This will not happen if you are backing up to a local disk.

Once you have created the backup – you then need to know how to restore it.  This is, unfortunately, more complicated.  The first thing you will need to do is to find the version of the backup and the name of the virtual machine you want to restor.  You can find the version of the backup by running:
wbadmin get versions –backupTarget:


If the backup was taken a while ago – you may have forgotten the name(s) of the virtual machines that you backed up.  You can find this by running:
wbadmin get items –version: –backuptarget:


Once you have this information you can restore the backed up virtual machine by running:
wbadmin start recover –version: –itemType:hyperv –items: –backuptarget:

How to Factory Reset a Samsung Laptop

Before starting the method below make sure you have backup all your important data because system recovery will wipe out the entire hard drive data.

Method 1: Samsung recovery solution program

<1>. Press and hold on Esc key, and then start Samsung laptop
Note: Please don’t loosen your hand on Esc key until the Samsung laptop starts with restore system.
<2>. Find Samsung Recovery Solution program, and run it. Or Enter Menu window.
Note: Samsung Recovery Solution is system restore program provided by Samsung. Used for Samsung password recovery etc.
<3>. Press F11 to restore Samsung factory setting.

Method 2: Samsung hot key
As we all know, Samsung laptop is taken with one function that Samsung factory reset with one key. Just start your Samsung laptop and press F4 or F7 at the same time. And Samsung laptop will run system restore program automatically. When the program runs over and reboots Samsung laptop, you can access Samsung laptop without any password.