Windows 8 and 8.1 Forums


setup was unable to use the existing partition because it does not ...

  1. #21


    Posts : 21
    windows 7 64 bit


    I followed the steps move bootmgr using bcdedit. it worked.

    what is difference between developer preview and consumer preview? they have different build number? any main difference/features? If I split my drive into 2 partitions put developer and consumer preview side by side, what will happen?

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  2. #22


    Forget the Developer Preview, the Consumer Preview is up-to-date...
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  3. #23


    Germany/Florida
    Posts : 4,514
    Vista and Win7


    Quote Originally Posted by newuser1 View Post
    I followed the steps move bootmgr using bcdedit. it worked.

    what is difference between developer preview and consumer preview? they have different build number? any main difference/features? If I split my drive into 2 partitions put developer and consumer preview side by side, what will happen?
    See, things work and that is so easy. Forget the Developer Preview, why hang on to it. But you can run them side by side. And now you have plenty of room in C for additional BCDs.

    I anyhow prefer to run these early distros in Virtual Box. That is so much more convenient for checking them out. And a lot faster too. Booting is 10 times faster (8 seconds) than on the system where I installed Win8 in a double boot setup. I am going to scrap that. It is too much of a pain - especially booting into Win7. Maybe I make an independent setup on another disk and switch the systems with the BIOS boot order.
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  4. #24


    BELGIUM
    Posts : 503
    WINDOWS 8.1 x64


    New User,

    you cannot install Windows on a disk where the reserved partition still thinks there is a operation system on it.

    You have to delete the reserved partition before installing Windows on it.
    Or you can use WHS suggestion, that works also.

    Jeff
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  5. #25


    Germany/Florida
    Posts : 4,514
    Vista and Win7


    Quote Originally Posted by jeffrys View Post
    New User,

    you cannot install Windows on a disk where the reserved partition still thinks there is a operation system on it.

    You have to delete the reserved partition before installing Windows on it.
    Or you can use WHS suggestion, that works also.


    Jeff
    You cannot delete the system reserved partition just like that. If you do, your Windows7 will no longer boot. You have to move the bootmgr first - to a partition where you have enough room for additional BCDs. That is the easiest solution because increasing the size of the system reserved is not that simple - it is possible, but requires some gymnastics that the uninitiated better not attempt.
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  6. #26


    Posts : 5,360
    7/8/ubuntu/Linux Deepin


    Interesting - I haven't had time to examine the Win8 installation process yet.
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  7. #27


    Germany/Florida
    Posts : 4,514
    Vista and Win7


    Quote Originally Posted by SIW2 View Post
    Interesting - I haven't had time to examine the Win8 installation process yet.
    The problem I saw from a few guys seems to be that the Win8 BCD does not fit into the remainder of the space of the 100MB partition. It seems to be quite large. If you install Win8 stand-alone, the system reserved partitions is 300MB.
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  8. #28


    BELGIUM
    Posts : 503
    WINDOWS 8.1 x64


    True WHS,

    but if you do, you can install Win8 CP, so you have a choice. Wen you delete the reserved partition, leave the Win7 on, create Win8 over another free partition, then you will end up with Win7 and Win8.

    Have done this before

    Jeff
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  9. #29


    Germany/Florida
    Posts : 4,514
    Vista and Win7


    Quote Originally Posted by jeffrys View Post
    True WHS,

    but if you do, you can install Win8 CP, so you have a choice. Wen you delete the reserved partition, leave the Win7 on, create Win8 over another free partition, then you will end up with Win7 and Win8.

    Have done this before

    Jeff
    That you have to explain in a bit more detail. When you delete the reserved partition, you have to first move the bootmgr to some other partition (which is most likely a lot bigger than 100MB). Once that is done, there is no problem installing Win8 because you most likely have ample space for the Win8 BCD in that other partition.
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  10. #30


    Posts : 1
    Windows 7


    Quote Originally Posted by whs View Post
    Disconnect disks 0,1 and 2 and try again. With that setup you get no double boot, but you change systems by changing the BIOS boot order.

    I think you get this message because there is not enough space in your 100MB 'Z' partition. The Win8 BCD is pretty big and probably does not fit.

    You could, of course, try to make Z bigger (e.g. 300MB). But that will require quite some gymnastics that you should only attempt if you feel comfortable with managing disks.

    Another (easy) solution would be to move your bootmgr to C of Win7. Then there would be plenty of space. Bootmgr - Move to C:\ with EasyBCD - Windows 7 Forums


    Thanks a lot for this information. I was about to struck my head against the wall as I was having this "Insufficient Disk Space" error eating my brain. I deleted a partition, re-partitioned, moved all data from one disk to another ( more than 50 GB). Re-partitioned it and still was unable to install.

    Thanks for your really helpful post. Windows 8 is now being installed ... Very excited .....
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