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Hyper-V Failed to Change State Error Code 32788

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    I have a Hyper-V machine running on a server with 20GB of RAM available (according to resource monitor).  When I try to start it with more than 4GB of RAM it fails with this error.  I tried creating a new VM, using a different VHD file, all create the same error.  Before I updated Hyper-V it used to report insufficient memory.  What am I missing?

    Thanks!

    Mike

    středa 12. dubna 2017 14:35
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    Hi Sir,

    >>I have a Hyper-V machine running on a server with 20GB of RAM available (according to resource monitor).

    This is a physical server ?

    What is the version of OS ?

    >>Before I updated Hyper-V it used to report insufficient memory. 

    Have you tried to use performance monitor with counter "hyper-v dynamic memory balancer system balancer " to check if there is free memory larger than 4GB :

    Best Regards,

    Elton

    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.

    neděle 16. dubna 2017 7:16
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    Hi Sir,

    I'd like to check the current state of that issue .

    Best Regards,

    Elton

    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.

    neděle 23. dubna 2017 9:50
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    This happened to me just now. 12/7/17. I restored a Win 2012 R2 VM using DPM to a physical Windows 2012 R2 HV host like I always do. This time the VM would not start and I received error 32788 when I started the VM.

     I forgot to assign the VM a network adapter in HV settings after it was restored but before starting it. I needed the VM it to have an internal network adapter in my case. Changed the VM NIC to an internal switch and VM started right up.

      
    • Navržen jako odpověď lexschulz pátek 19. října 2018 7:19
    pátek 8. prosince 2017 6:47
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    This is due a problem with the virtual switch

    I have just had exactly the same issue on my machine, I had to create a new virtual switch and assign all of my virtual machines to this switch. Everything works fine now

    pondělí 11. prosince 2017 3:06
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    Exactly, I had my Virtual Switch in Configuration Error in the HyperV Settings. Changing it to a valid virtual switch solved the problem.

    -Mithun

    • Navržen jako odpověď VWSurfer69 pátek 4. května 2018 16:22
    úterý 13. února 2018 2:06
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    I had exactly the same error with a virtual machine. The virtual switch was ok, even removing the network adapter and starting without network did not help. I solved it with stopping the VM Service on the server (VM continued to run) and starting it again - now the VM started without any error.
    středa 28. března 2018 9:57
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    This worked for me. 

    -Jack

    středa 11. července 2018 16:22
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    I tried everything in this thread. Ultimately I just recreated a new machine > Attached the Drive to the New Machine > Everything worked fine. 
    neděle 19. srpna 2018 19:23
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    This can be a virtual memory issue also, so maybe check how much disk space is available on the disk where the VM files are stored (e.g. C: instead of D:).

    pondělí 1. října 2018 15:12
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