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  1.    26 Jun 2015 #21
    Join Date : Jan 2015
    Texas
    Posts : 220
    Win 10 Pro 64 bit

    Quote Originally Posted by dencal View Post
    It is not the installations in a dual boot setup of WIO on one drive and W7/8 on the other, no problems experienced here.
    The problems arise when Windows needs to Update, this in my experience is as you state, it messes up booting, this could be a deliberate ploy by M$ to deter this practice.
    Until the official release it is difficult to know what is and is not possible
    See below latest Gabe statement
    Maybe I am lucky as I haven't experienced that issue during the updates so far.
      My ComputerSystem Spec
  2.    26 Jun 2015 #22
    Join Date : Oct 2014
    Posts : 1,555
    W7 32 bit, Linux Mint Xfce 18 64 bit

    Quote Originally Posted by Mark Phelps View Post
    Dual-booting success depends on whether or not MS actually "deactivates" the license of the "older" OS as part of the "upgrade". If they do, sooner or later, when you reboot into the older OS, it won't work anymore.

    I'm planning on using Win10 daily after the RTM, but I don't want to permanently give up the use of Win8.1 as part of the process. So, I'm planning on buying another Win8.1 license -- to continue to use it.

    Funny thing is, I've checked with the vendors of other products I use, and they are OK with me using the same license across multiple OSs, as long as those are on the same PC.

    Mark Phelps,

    How would Microsoft know? If they deactivated mine windows 7, they would be deactivating a lot of other dells that didn't upgraded to windows 10. The reason my key is an oem-slp.


    All,
    I have triple booted in the past. I came across an issue with grub and windows 10 preview. If you don't disable grub, it won't upgrade to the next build. Doing one disk (Mbr) is a pain. You would need partition wizard, Macrium Reflect, Grub boot disk, windows 7 repair disk and some know how.

    During all this testing, I found out how to do a clean install and keep the upgrade information. This way you can switch architectures don't know if that key is a temp key or permanent key.
      My ComputerSystem Spec
  3.    26 Jun 2015 #23
    Join Date : Oct 2014
    Posts : 2,505
    W10 Pro + W10 Preview

    Quote Originally Posted by groze View Post
    Mark Phelps,

    How would Microsoft know? If they deactivated mine windows 7, they would be deactivating a lot of other dells that didn't upgraded to windows 10. The reason my key is an oem-slp.
    The same way they would know if you changed the motherboard.
    Do also take into account this is not a new O/S according to M$, it is an upgrade
      My ComputersSystem Spec
  4.    26 Jun 2015 #24
    Join Date : Oct 2014
    Posts : 2,505
    W10 Pro + W10 Preview

    Quote Originally Posted by stealth2920 View Post
    Maybe I am lucky as I haven't experienced that issue during the updates so far.
    Am interested to know how you have setup, then maybe I can avoid these hiccups.
      My ComputersSystem Spec
  5.    26 Jun 2015 #25
    Join Date : Jan 2015
    Texas
    Posts : 220
    Win 10 Pro 64 bit

    Quote Originally Posted by dencal View Post
    Am interested to know how you have setup, then maybe I can avoid these hiccups.
    Don't think I am doing anything special. I have Win 7 and Win 10 previews on two separate SSD's and doing a dual boot. All my SSD's and harddrives are in a quick release adapter like Badrobots picture. When either has updates I eject the other OS SSD so only the SSD with updates is actually installed at the time. If I didn't have the adapters and had to open my case each time, I wouldn't be doing any of this.
      My ComputerSystem Spec
  6.    26 Jun 2015 #26
    Join Date : Oct 2014
    Posts : 1,555
    W7 32 bit, Linux Mint Xfce 18 64 bit

    Originally Posted by groze
    Mark Phelps,

    How would Microsoft know? If they deactivated mine windows 7, they would be deactivating a lot of other dells that didn't upgraded to windows 10. The reason my key is an oem-slp.


    Quote Originally Posted by dencal View Post
    The same way they would know if you changed the motherboard.
    Do also take into account this is not a new O/S according to M$, it is an upgrade

    dencal

    Do you know what an oem-slp key is? It is a key that pre-activated that dell uses on different systems. The way you are talking whether I upgraded or not, I maybe forced to use the key on the back of my machine to keep 7 or to upgrade to windows 10. One of the dell forum moderators/liaison in a blog is saying a clean install will be impossible with oem-slp windows 7 install. Upgrade will work without issue, clean install won't.

    I actually came across a fix for that during my testing as well. Get the key from Belarc Advisor after you upgrade. Then replace or add the key to pid.txt file in the sources folder before installing. Windows 10 upgrade assigns you a new key.


    Mod, please edit my post if I am not suppose to mention any or some of this.
    Last edited by groze; 26 Jun 2015 at 14:05.
      My ComputerSystem Spec
  7.    26 Jun 2015 #27
    Join Date : Sep 2014
    Posts : 91
    64-bit 10240 10 Pro

    Quote Originally Posted by CountMike View Post
    Simple, upgrade 7/8.1 on one disk and dual boot with 10 in insider test mode on another, it will keep getting new updates before they arrive on full W10.
    MS promises to keep insider version for some time to come as free Windows so nothing stops us for using it on another computer.
    This is my current plan.
      My ComputerSystem Spec
  8.    26 Jun 2015 #28
    Join Date : Oct 2014
    Posts : 2,505
    W10 Pro + W10 Preview

    Quote Originally Posted by stealth2920 View Post
    Don't think I am doing anything special. I have Win 7 and Win 10 previews on two separate SSD's and doing a dual boot. All my SSD's and harddrives are in a quick release adapter like Badrobots picture. When either has updates I eject the other OS SSD so only the SSD with updates is actually installed at the time. If I didn't have the adapters and had to open my case each time, I wouldn't be doing any of this.
    In effect you do not have a true dual setup, which is the same as myself. disconnected one at a time.

    I fear it will not be possible to do a dual boot in the future between the source and the update
    In Gabe,s latest release notes, it states that in order to download the latest preview it can only be done via a Microsoft Account.
    This of course means they know both the O/S,s being used.....the update plus the preview.
    If they note that both O/S,s are being used (contravening their conditions), they could easily deactivate one of them.
    Which is what I think happened to me, as both my O/S,s are registered in a M$ Account
      My ComputersSystem Spec
  9.    26 Jun 2015 #29
    Join Date : Nov 2013
    Toronto
    Posts : 4,661
    Win 10 Pro x64

    Quote Originally Posted by dencal View Post
    In effect you do not have a true dual setup, which is the same as myself. disconnected one at a time.

    I fear it will not be possible to do a dual boot in the future between the source and the update
    In Gabe,s latest release notes, it states that in order to download the latest preview it can only be done via a Microsoft Account.
    This of course means they know both the O/S,s being used.....the update plus the preview.
    If they note that both O/S,s are being used (contravening their conditions), they could easily deactivate one of them.
    Which is what I think happened to me, as both my O/S,s are registered in a M$ Account
    If you can use 2 copies of the same OS (one original and one clone) on the same machine, why not an upgraded 7 to 10 and the original 7 installation? I am running 2 copies of Windows 7 on my machine. The original one for my daily computing and a cloned one for messing up or testing programs. I think the best way for you to find out is to clone your 7 and upgrade it to 10 and keep your original 7. Bottom line, as long as the OS (no matter how many copies) is running on the same machine, it will be fine. It's not like you can use multiple copies of OS in one machine at one time. Now if you are saying that an MS Account will prevent this, we'll find out later. I won't find that out myself because I am not giving up my 7. I will get a separate license for 10 if I need one later. There is no such thing as FREE. There's always a trade-off.
      My ComputerSystem Spec
  10.    26 Jun 2015 #30
    Join Date : Oct 2014
    Posts : 2,505
    W10 Pro + W10 Preview

    Quote Originally Posted by badrobot View Post
    If you can use 2 copies of the same OS (one original and one clone) on the same machine, why not an upgraded 7 to 10 and the original 7 installation? I am running 2 copies of Windows 7 on my machine. The original one for my daily computing and a cloned one for messing up or testing programs. I think the best way for you to find out is to clone your 7 and upgrade it to 10 and keep your original 7. Bottom line, as long as the OS (no matter how many copies) is running on the same machine, it will be fine. It's not like you can use multiple copies of OS in one machine at one time. Now if you are saying that an MS Account will prevent this, we'll find out later. I won't find that out myself because I am not giving up my 7. I will get a separate license for 10 if I need one later. There is no such thing as FREE. There's always a trade-off.
    Have always done a clone, in this case W8.1.
    Note.... I fear.....what I think... are not categorical statements caste in stone. they are based on a possible outcome based on certain facts.
    I have appreciated your input.
      My ComputersSystem Spec

 
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