Windows 10: Announcing Windows 10 Insider Preview Build 16215 PC + 15222 Mobile Insider

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  1. Posts : 38,043
    Dual boot Windows 10 FCU Pro x 64 & current Insider 10 Pro
       14 Jun 2017 #620

    martyfelker said: View Post
    FAILURE. INACCESSIBLE BOOT DEVICE. However it was a BLUE screen of death not a GREEN screen of death. Does that give you any information MS?
    I've been watching your progress, Marty. You get an A+ for the attempt.

    I'm sure MS knew within hours of the release that it was a disaster.
      My ComputersSystem Spec


  2. Posts : 1,369
    Triple Boot Windows 10 IP Build 17643/Windows Server IP Build 17623/Debian Unstable Ker
       14 Jun 2017 #621

    HippsieGypsie said: View Post
    I've been watching your progress, Marty. You get an A+ for the attempt.

    I'm sure MS knew within hours of the release that it was a disaster.

    Well thanks. I always learn something after each failure. I now know (and will report to the Feedback Hub) that build 16215 simply cannot handle any kind of multiboot setup.
      My ComputersSystem Spec


  3. Posts : 38,043
    Dual boot Windows 10 FCU Pro x 64 & current Insider 10 Pro
       14 Jun 2017 #622

    martyfelker said: View Post
    Well thanks. I always learn something after each failure. I now know (and will report to the Feedback Hub) that build 16215 simply cannot handle any kind of multiboot setup.
    As Wynona pointed out that it indeed can be installed on a dual boot configuration. I'm on my 16215 partition now. CU build 15063 is on the other. Quite sure others have been fortunate as well.

    Oh and using Edge.
      My ComputersSystem Spec


  4. Posts : 1,369
    Triple Boot Windows 10 IP Build 17643/Windows Server IP Build 17623/Debian Unstable Ker
       15 Jun 2017 #623

    Dora:

    I can understand why you aren't providing us any explanations about 16215 but for crying out loud why can't you take it off the WU servers??
      My ComputersSystem Spec


  5. Posts : 13,777
    Windows 10 Pro
       15 Jun 2017 #624

    One of the errors I got when trying to upgrade laptop from 16199 to 16215 was this:

    Click image for larger version. 

Name:	image.png 
Views:	82 
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ID:	139555

    Error during INSTALL_RECOVERY_ENVIRONMENT.

    Inspecting this a bit more I think I now know what happened. If I am right there's no way the upgrade could have worked, whatever upgrade method or workarund was used.

    Some background.

    If you let Windows installation to do the partitioning on a GPT disk, the 450 MB WinRE partition is set first on disk, followed by 100 MB EFI partition and hidden (not shown in Disk Management) small 16 MB MSR partition. The OS partition is then next, volume (partition) 4:

    Click image for larger version. 

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ID:	139556
    (Screenshot: default EFI partitioning.)

    The problem is, the WinRE partition will need more space when subsequently upgrading to new builds but as it cannot grow when first on disk, EFI partition blocking its every effort to expand, Windows Upgrade creates a new WinRE partition after partition 4, Windows OS partition.

    Being directly after C: partition is a good place for WinRE partition because it can something that no other partition can: it can extend backwards, shrinking Windows OS partition C: as needed to "steal" more space from it to cater its expansion needs.

    That's why I use a diskpart script on clean installs or autounattend.xml answer file on deployments to partition GPT disk differently placing EFI partition first (green in screenshot), followed by hidden MSR partition, OS partition (blue) and finally WinRE partition (yellow):

    Click image for larger version. 

Name:	image.png 
Views:	82 
Size:	33.4 KB 
ID:	139557

    When an upgrade then needs more space for WinRE partition, it takes the space needed from C: shrinking it:

    Click image for larger version. 

Name:	image.png 
Views:	82 
Size:	25.9 KB 
ID:	139558

    (Above two screenshots from a Hyper- V VM on which I upgraded from 14393 through 15063 to 16199 to get screenshots.)

    Build 16215 upgrade totally screwed that, ignoring the already existing WinRE partition and instead of extending it as it should have done created a new WinRE partition (red in screenshot) placing it between Windows OS partition and existing WinRE partition:

    Click image for larger version. 

Name:	image.png 
Views:	2 
Size:	80.6 KB 
ID:	139559
    (Screenshot from my laptop, what actually happened.)

    However, although upgrade created this new WinRE partition and installed recovery environment on it, it then tried to use the old WinRE partition, got confused and upgrade failed.

    I still need to study this but I believe this is what happened. Confusion about what WinRE partition to use.

    Kari
      My ComputerSystem Spec

  6.    15 Jun 2017 #625

    Kari said: View Post
    One of the errors I got when trying to upgrade laptop from 16199 to 16215 was this:

    Click image for larger version. 

Name:	image.png 
Views:	82 
Size:	99.8 KB 
ID:	139555

    Error during INSTALL_RECOVERY_ENVIRONMENT.

    Inspecting this a bit more I think I now know what happened. If I am right there's no way the upgrade could have worked, whatever upgrade method or workarund was used.

    Some background.

    If you let Windows installation to do the partitioning on a GPT disk, the 450 MB WinRE partition is set first on disk, followed by 100 MB EFI partition and hidden (not shown in Disk Management) small 16 MB MSR partition. The OS partition is then next, volume (partition) 4:

    Click image for larger version. 

Name:	image.png 
Views:	82 
Size:	149.9 KB 
ID:	139556
    (Screenshot: default EFI partitioning.)

    The problem is, the WinRE partition will need more space when subsequently upgrading to new builds but as it cannot grow when first on disk, EFI partition blocking its every effort to expand, Windows Upgrade creates a new WinRE partition after partition 4, Windows OS partition.

    Being directly after C: partition is a good place for WinRE partition because it can something that no other partition can: it can extend backwards, shrinking Windows OS partition C: as needed to "steal" more space from it to cater its expansion needs.

    That's why I use a diskpart script on clean installs or autounattend.xml answer file on deployments to partition GPT disk differently placing EFI partition first (green in screenshot), followed by hidden MSR partition, OS partition (blue) and finally WinRE partition (yellow):

    Click image for larger version. 

Name:	image.png 
Views:	82 
Size:	33.4 KB 
ID:	139557

    When an upgrade then needs more space for WinRE partition, it takes the space needed from C: shrinking it:

    Click image for larger version. 

Name:	image.png 
Views:	82 
Size:	25.9 KB 
ID:	139558

    (Above two screenshots from a Hyper- V VM on which I upgraded from 14393 through 15063 to 16199 to get screenshots.)

    Build 16215 upgrade totally screwed that, ignoring the already existing WinRE partition and instead of extending it as it should have done created a new WinRE partition (red in screenshot) placing it between Windows OS partition and existing WinRE partition:

    Click image for larger version. 

Name:	image.png 
Views:	2 
Size:	80.6 KB 
ID:	139559
    (Screenshot from my laptop, what actually happened.)

    However, although upgrade created this new WinRE partition and installed recovery environment on it, it then tried to use the old WinRE partition, got confused and upgrade failed.

    I still need to study this but I believe this is what happened. Confusion about what WinRE partition to use.

    Kari
    What happens if you delete the winre partitions before upgrading?

    I usually delete them anyway as I simply use Macrium Reflect backups if I want to roll back, or use an ISO to refresh etc.
      My ComputerSystem Spec


  7. Posts : 13,777
    Windows 10 Pro
       15 Jun 2017 #626

    cereberus said: View Post
    What happens if you delete the winre partitions before upgrading?

    I usually delete them anyway as I simply use Macrium Reflect backups if I want to roll back, or use an ISO to refresh etc.
    Have not tested yet and honestly, as I found out that I can't connect to Hyper-V virtual machines in 16215, will not test with this built. Takes too much time to test as I then would be forced to restore 16199 because I really need Hyper-V.
      My ComputerSystem Spec

  8.    15 Jun 2017 #627

    HippsieGypsie said: View Post
    I've been watching your progress, Marty. You get an A+ for the attempt.

    I'm sure MS knew within hours of the release that it was a disaster.
    Is that better than E, for EFFORT ?
      My ComputersSystem Spec


  • Posts : 32,544
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)
       15 Jun 2017 #628

    martyfelker said: View Post
    Had to use Unlocker 1.92 to delete a leftover $Windows~BT directory. Went back to slow ring (when will there be a release to the SLOW ring??)
    @martyfelker

    Marty, you said you thought that no 16xxx builds had been released to SLOW ring, that is I believe technically correct. But, 16193 ISO has been available for a while thru MS (Official Source - no gypsies selling out the back of a wagon).

    Download Windows 10 Insider Preview Advanced

    Click image for larger version. 

Name:	2017-06-15_04h53_24.png 
Views:	1 
Size:	85.6 KB 
ID:	139574
      My ComputersSystem Spec


  • Posts : 271
    WINDOWS 10 PRO INSIDER PREVIEW
       15 Jun 2017 #629

    martyfelker said: View Post
    Well thanks. I always learn something after each failure. I now know (and will report to the Feedback Hub) that build 16215 simply cannot handle any kind of multiboot setup.
    On My Computer, I had 199 on drive "C" the SSD and I multibooted to drive "D" the WD 1TB HDD. I just loaded "Cloned" 199 to "D" then using DVD (.iso) of 215 I loaded it over the "Windows Partition" on "D". Worked perfect on "D" and I was able to Multi-boot between C and D,
      My ComputerSystem Spec


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