Dual Booting & Disk Cloning


UEFI

Member
Local time
8:37 AM
Posts
3
OS
Windows 11
I have UEFI PC with two windows on different disks and I am successfully dual booting and have been for a good while now.

To date I have managed the two systems separately, manually updating System 2 with any updates previously made to System 1. But this is a time consuming process and I would like instead to simply clone my System 1 windows partition to replace the System 2 partition every so often.

My question is with the BCD already setup to boot system 2 can I just delete and replace the system 2 windows partition with the system 1 windows partition ?. Or do I also need to also need to delete the System 2 BCD entry and re-create it with bcdboot ?. I assume that there is nothing else to do.

I could just try I guess but I would prefer to confirm here first that this isn’t going to cause any problem. Id prefer not to get into UEFI & Boot problems by wading in with my seven league boots on !.

Thanks In Advance
 

My Computer

System One

  • OS
    Windows 11
I have UEFI PC with two windows on different disks and I am successfully dual booting and have been for a good while now.

To date I have managed the two systems separately, manually updating System 2 with any updates previously made to System 1. But this is a time consuming process and I would like instead to simply clone my System 1 windows partition to replace the System 2 partition every so often.

My question is with the BCD already setup to boot system 2 can I just delete and replace the system 2 windows partition with the system 1 windows partition ?. Or do I also need to also need to delete the System 2 BCD entry and re-create it with bcdboot ?. I assume that there is nothing else to do.

I could just try I guess but I would prefer to confirm here first that this isn’t going to cause any problem. Id prefer not to get into UEFI & Boot problems by wading in with my seven league boots on !.

Thanks In Advance
As a rule, major updating of the non host version bteaks the bcd of the second installation and you need to delete its entry using msconfig or easybcd or similar and recreate boot entry.
 

My Computer

System One

  • OS
    Windows 11 Pro + Win11 Canary VM.
    Computer type
    Laptop
    Manufacturer/Model
    ASUS Zenbook 14
    CPU
    I9 13th gen i9-13900H 2.60 GHZ
    Motherboard
    Yep, Laptop has one.
    Memory
    16 GB soldered
    Graphics Card(s)
    Integrated Intel Iris XE
    Sound Card
    Realtek built in
    Monitor(s) Displays
    laptop OLED screen
    Screen Resolution
    2880x1800 touchscreen
    Hard Drives
    1 TB NVME SSD (only weakness is only one slot)
    PSU
    Internal + 65W thunderbolt USB4 charger
    Case
    Yep, got one
    Cooling
    Stella Artois (UK pint cans - 568 ml) - extra cost.
    Keyboard
    Built in UK keybd
    Mouse
    Bluetooth , wireless dongled, wired
    Internet Speed
    900 mbs (ethernet), wifi 6 typical 350-450 mb/s both up and down
    Browser
    Edge
    Antivirus
    Defender
    Other Info
    TPM 2.0, 2xUSB4 thunderbolt, 1xUsb3 (usb a), 1xUsb-c, hdmi out, 3.5 mm audio out/in combo, ASUS backlit trackpad (inc. switchable number pad)

    Macrium Reflect Home V8
    Office 365 Family (6 users each 1TB onedrive space)
    Hyper-V (a vm runs almost as fast as my older laptop)

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