Trying to boot Windows 10 from external SSD

[dashton654]

You’ll probably laugh at me for what I’m attempting to do with my 2018 13" MacBook Pro:

I have my old PC NVMe drive (960 Evo) with Windows 10 installed (the very installation I was running on my old PC) attached to an external adaptor, and I am trying to see if I can boot into windows externally from this. My Mac computer recognizes it as a drive, but it only shows as a folder icon in the startup manager. I had the issue with Startup Disk claiming I cannot boot from said drive (the ‘bless tool’ was unable to set the boot disk). I read someone using Winclone to solve said issue by making the drive EFI bootable. I tried to do this with my drive, however I encounter “Change Bootable Error”. I disabled the csrutil in the recovery terminal, and allowed external booting in the recovery terminal as well. I’ve attached a screenshot with some information if useful at all.

Any help is appreciated. Thanks!

3846588d1fa446aa2c3bf592da5cf67ebebafd35_2_1380x786.jpeg

 

[Antoni Nygaard]

The only way I got running windows 10 running from my external 256Gb SSD drive is to make a Windows to go bootable drive from windows using Rufus USB creation tool. I Boot windows from that to play games on it

15" 2017 model

 

[sam19]

I am running windows off a 60gb SSD on a 2013 MacBook Air every day really easily,

I followed this step by step guide, its not the easiest thing to do if your not tech savvy.

https://9to5mac.com/2017/08/31/how-windows-10-mac-boot-camp-external-drive-video/

I am thinking of changing to a 256gb USB stick though to make life easier, never run it off a USB but I can't see why it would be much different