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  1.    14 Dec 2016 #1
    Join Date : Jul 2015
    Posts : 51
    Windows 10 64bit

    Why is there no reboot option in Hyper-V?


    All I see when I right click my servers is "reset" and there is no reboot option. Reset isn't the same, right? So how can I reboot as opposed to resetting?
      My ComputerSystem Spec
  2.    14 Dec 2016 #2
    Join Date : Oct 2013
    A Finnish expat in Germany
    Posts : 12,692
    Windows 10 Pro

    Use elevated PowerShell to manage Hyper-V. In screenshot below I have booted a vm, then restarted it and finally shut it down:

    Click image for larger version. 

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    Start a vm: Start-VM "vm name"
    Restart a vm: Restart-VM "vm name"
    Shut down a vm: Stop-VM "vm name"
    Use Reset only in emergency situations when vm simply does not work, is totally frozen. It's hard reset, same as if you hold down the power button on a physical machine for a few seconds to make it turn off instead of shut down, then start the machine again.

    Kari
      My ComputerSystem Spec
  3.    15 Feb 2017 #3
    Join Date : Jul 2015
    Posts : 51
    Windows 10 64bit
    Thread Starter

    Quote Originally Posted by Kari View Post
    Use elevated PowerShell to manage Hyper-V. In screenshot below I have booted a vm, then restarted it and finally shut it down:

    Click image for larger version. 

Name:	image.png 
Views:	7 
Size:	53.8 KB 
ID:	113578

    Start a vm: Start-VM "vm name"
    Restart a vm: Restart-VM "vm name"
    Shut down a vm: Stop-VM "vm name"
    Use Reset only in emergency situations when vm simply does not work, is totally frozen. It's hard reset, same as if you hold down the power button on a physical machine for a few seconds to make it turn off instead of shut down, then start the machine again.

    Kari
    Any chance you can answer WHY there is no option to reboot? Even though it is a stated option when researching Hyper-V? So are you saying that there is no option to reboot a vm without using powershell? That makes no sense/
      My ComputerSystem Spec
  4.    15 Feb 2017 #4
    Join Date : Oct 2013
    A Finnish expat in Germany
    Posts : 12,692
    Windows 10 Pro

    Quote Originally Posted by mike6623 View Post
    Any chance you can answer WHY there is no option to reboot? Even though it is a stated option when researching Hyper-V? So are you saying that there is no option to reboot a vm without using powershell? That makes no sense/
    I only told you an alternative way to shut down or restart a Hyper-V VM. You mentioning Reset which is available in Action menu I thought you meant why is there no restart option in that menu.

    Of course you also restart (and shut down) a Hyper-V VM totally normally as any other Windows machine from Start > Power:

    Click image for larger version. 

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    And, naturally, from right clicking Start and selecting Shut down or sign out:

    Click image for larger version. 

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      My ComputerSystem Spec
  5.    16 Feb 2017 #5

    Hi there

    Reboot actually doesn't mean anything for a VM - the terminology used is POWER OFF and POWER ON (sometimes also RESTART GUEST).

    This will shut down the VM process --you will get back to the start screen with the VM config options.

    If you want to simply reboot the OS that's usually done from WITHIN THE GUEST.

    Might not seem much of a difference - it's just the "technical terms" used within the VM context - doesn't matter what VM software you are using.

    Cheers
    jimbo
      My ComputerSystem Spec
  6.    2 Weeks Ago #6
    Join Date : Aug 2017
    Posts : 6
    Many many

    The manager has a "Shutdown" option in the context (right-click) menu, and, when the guest is off, it has a "Start" option. Thus it should be trivial for them to combine the two in a single menu item.

    There are often situations when I need to ensure that a half-dozen or more guests get rebooted before I leave the office. I really don't want to wait and watch each one finish shutting down before I can restart them. If I had a "Reboot" option, I could simply click reboot on each one of them and leave.
      My ComputerSystem Spec
  7.    1 Week Ago #7
    Join Date : Aug 2015
    México
    Posts : 186
    Windows 10 x64 Home 1703

    As all the guys said to you, there is no such thing as a "Reboot" button for virtual machines, neither of the available options offer that, not even Virtualbox, VmWare, Hyper-V...

    This is done inside the VM, like it it was a normal computer, you got to start menu and look for shutdown options and then choose reboot... there cannot be a reboot button simply because it must need to send the reboot instruction to the VM, so the OS closes all it's tasks, frees memory and shuts down, and afterwards, commences all the booting process again.

    If you use Hyper-V, @Kari already gave you an option so you can reboot your machines all at once, but still, that resets the machine, doesn't trigger the reboot process, which is entirely different, if you restar machines willy nilly, you can cause many errors and problems with services and OS components that need a shutdown instruction to not fail.

    I use VMWare... and not even me has a button for reboots... I think that doesn't exist...
      My ComputerSystem Spec
  8.    1 Week Ago #8
    Join Date : Apr 2017
    Posts : 139
    win 10 and 8.1 pro - Ubuntu 16.04

    KVM has the restart option "button" so there is such thing in the realm of VM:

    Click image for larger version. 

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    but if you need to restart several machine you better go
    with a script in powershell
      My ComputerSystem Spec
  9.    1 Week Ago #9
    Join Date : Oct 2014
    Arnold, MD
    Posts : 28,064
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)

    Quote Originally Posted by FerchogtX View Post
    As all the guys said to you, there is no such thing as a "Reboot" button for virtual machines, neither of the available options offer that, not even Virtualbox, VmWare, Hyper-V...

    This is done inside the VM, like it it was a normal computer, you got to start menu and look for shutdown options and then choose reboot... there cannot be a reboot button simply because it must need to send the reboot instruction to the VM, so the OS closes all it's tasks, frees memory and shuts down, and afterwards, commences all the booting process again.

    If you use Hyper-V, @Kari already gave you an option so you can reboot your machines all at once, but still, that resets the machine, doesn't trigger the reboot process, which is entirely different, if you restar machines willy nilly, you can cause many errors and problems with services and OS components that need a shutdown instruction to not fail.

    I use VMWare... and not even me has a button for reboots... I think that doesn't exist...




    Quote Originally Posted by roy111 View Post
    KVM has the restart option "button" so there is such thing in the realm of VM:

    Click image for larger version. 

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ID:	157628


    but if you need to restart several machine you better go
    with a script in powershell
    Semantics, really. Since VMs live as a Guest under the Host, the term "Reboot" applies to the host system. In any virtual system, the term usually seen is "Restart Guest", or something of that nature. Which will re-initialize the Guest as if you had "Booted" it. Just words. An example from VMWare on my machine:

    Click image for larger version. 

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      My ComputersSystem Spec
  10.    1 Week Ago #10
    Join Date : Apr 2017
    Posts : 139
    win 10 and 8.1 pro - Ubuntu 16.04

    Quote Originally Posted by f14tomcat View Post
    Semantics, really. Since VMs live as a Guest under the Host, the term "Reboot" applies to the host system. In any virtual system, the term usually seen is "Restart Guest", or something of that nature. Which will re-initialize the Guest as if you had "Booted" it. Just words. An example from VMWare on my machine:

    Click image for larger version. 

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    It's not semantic it's a very different feature, that operation would possibly damage the guest OS, and does not perform a clean reboot
    you also get a warning if you try to use it:


    Click image for larger version. 

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    it is very different from a clean reboot that safely disable all guest OS services to perform a clean reboot
    (probably what the OP is looking for)
      My ComputerSystem Spec

 
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