Chosen Solution

I have an Xbox One S digital that suffered an HDD failure so I replaced it with another and downloaded the OSU from Microsoft’s website ad followed all instructions to set up the new drive but I cannot get the OSU to restore and am getting error “E101 00000504 8B50041” which from my research I have concluded that this is due to attempting to restore an older OS than what was installed before. I was in the Xbox delta insider preview and I cannot find any way to get Insider OSUs from anywhere. Is my only choice to wait until the beta becomes publically released and then restore or are there other options? I did “downgrade” from the stock 1TB HDD to a 500GB HDD I had but I haven’t read that downgrading storage can cause any issues. If there is anything else I need to add let me know, please. Thank you in advanced.

The OSU is not really intended to reinstall the operating system in its entirety. It’s intended to update an existing install. It alone, in my recollection, will not get you a full install of the operating system regardless of what was on the drive previously. It’s been a few years since I did this for my own drive, so I cannot remember exactly. But as I recall I ended up using a combination of this technique, the OSU and sheer luck to upgrade the HDD in my XBOX One.