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    Hi,

    We are using Dell Server and Installed Windows Server 2012 , Hyper-V role on it.

    We have created multiple virutal server inside it for Database Server , Exchange Server , IIS etc.

    Now , When we are trying to take a backup using Windows Server Backup Utility it gives error.

    When we are trying to backup a full bare metal recovery backup it fails with error " there is no sufficient space available on remote and local server " , Although , we do have a enough space available on our Synology NAS Backup device as well as on local server.

    When we try to take only system state or c drive backup it works..so what could be the issue.

    Thanks,

    Monday, February 16, 2015 4:34 PM

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    Hi,

    Sorry for the delay in reply.

    System Reserved Partition (the default name) and EFI partition are the same one. Sorry for confusion.

    If you install Windows 7 on a clean disk with no existing partitions, it creates a System Reserved partition at the beginning of the disk and uses the remainder of the unallocated space to create your system drive.

    You can find all partitions in Disk Management.

    Back to the issue. If "unlimited space" still cannot help on this issue, please test to set it to a different drive such as your Drive D to see the result. 

    Please remember to mark the replies as answers if they help and un-mark them if they provide no help. If you have feedback for TechNet Support, contact tnmff@microsoft.com.

    Monday, February 23, 2015 4:51 AM

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    Here's a fix that I've been using:

    • Open Computer.
    • Right click the C drive (the active drive that contains the Windows system folder)
    • Click the Shadow Copies tab
    • Select the EFI volume and click settings
    • Change the Maximum Size limit to be two or three times the size that is listed.
    • If the Maximum Size is unlimited, try setting it to different values.
    • Repeat steps 3 and 4 for the Recovery Partition.

    Monday, February 16, 2015 7:46 PM
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    Hi,

    A BMR backup will also involve the System Reserved partition which is usually very small. Please check if there is enough VSS space as well via Justin's suggestion. Also you can test to change its location to another drive. 

    Please remember to mark the replies as answers if they help and un-mark them if they provide no help. If you have feedback for TechNet Support, contact tnmff@microsoft.com.

    Tuesday, February 17, 2015 7:56 AM
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    Tuesday, February 17, 2015 6:10 PM
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    Hi ,

    Thanks for your reply

    I increase the space to No Limit but still getting error.

    I am confused about the EFI partition and System Reserved partition...in my case there are 2 differant partition in my server...in c: drive OS is loaded and in d: drive data is there...When i check shadow copy option it shows me one unknown partition , is it the correct one..for EFI partition or is it a system reserved partition

    please check the attachment...

    Tuesday, February 17, 2015 6:12 PM
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    Hi ,

    Can any one please help me to resolve the issue...Is this a problem with my synology NAS Drive or is it with my Virtual Machines inside the Hyper-V

    Thank you..

    Saturday, February 21, 2015 4:35 PM
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    Hi,

    Sorry for the delay in reply.

    System Reserved Partition (the default name) and EFI partition are the same one. Sorry for confusion.

    If you install Windows 7 on a clean disk with no existing partitions, it creates a System Reserved partition at the beginning of the disk and uses the remainder of the unallocated space to create your system drive.

    You can find all partitions in Disk Management.

    Back to the issue. If "unlimited space" still cannot help on this issue, please test to set it to a different drive such as your Drive D to see the result. 

    Please remember to mark the replies as answers if they help and un-mark them if they provide no help. If you have feedback for TechNet Support, contact tnmff@microsoft.com.

    Monday, February 23, 2015 4:51 AM