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After cloning Win 10 to new disk, no way to install dual Boot Win 11

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Hello, new here, from Spain, sorry for my english. Bought a new NVME M.2 (Crucial P5 plus) and cloned there my operating system (Win 10). Everything ok, my PC starts from that disk and is faster :-). After that, On the same disk I want to install Dual Boot system with Win 11 so I reduced the space on that disk for Win 11 (or another partition). Arrived to that point i made a Boot Usb Stick with Win 11 (containing 2 partitions, etc.) that works fine. Win 11 starts, asks me the key and asks me where to install  and i say the second partition which I made before and the the problems start: Win 11 says that it is not possible to install because not able to create a new partition or finding one (something like this). When I eliminate the partition, it continues installing Win 11, but after 5 minutes it stops and say not able to install, try again. So my prob is i cannot install a second system on the cloned and new NVME. But before cloning, with the fresh disk, i could install Win 11. But I deleted it, because for cloning another system on the new disk, Acronis does not permit any partitions, disk must be clean. So there must be something in the cloning procedure that changes the new disk (Boot, MBR, etc).

Would be happy if anyone could help me, getting crazy.

Muchas Gracias!

0 Users found this helpful

Bernat, welcome to these public User Forums.

Sorry but installing a dual-boot OS has no relevance to using the Acronis Clone tool, especially if the cloned Win 10 OS works correctly when booted from the cloned NVMe SSD.

If you still have the original Win 10 disk drive where you previously had Win 11 installed as dual boot on that same drive, then you could clone the whole original drive to the new NVMe SSD assuming that it is large enough to allow this?

Personally, I stopped using dual-boot systems some years ago in favour of using the Hyper-V capabilities of my current Intel i7 system, where I run different OS versions in Virtual Machines.  This is how I did my own testing of Win 11 prior to upgrading the main system OS from 10 to 11, plus how I do testing of different versions of Acronis software (in multiple VM's).
The key advantage of using a VM over using dual-boot, is that I can capture videos of the VM actions when needed without having to restart the main system.