Windows 10: 50MB System Reserved Partition on 2TB HDD D: drive when I installed Windows 10 on my 500GB...

I have 3 storage devices in my PC:1x1TB NVME SSD that I use for games - G:\ - MBR Partition Style - 170GB free space - 1 Partition G:\ Basic Data Partition1x500GB NVME SSD for my OS and some file storage although I want to move this to my HDD - C:\ - MBR Partition Style - 190GB free space - 2 Partitions C:\ Boot, Page File, Active, Crash Dump, Primary Partition and 517MB Recovery Partition1x2TB SATA HDD for general file storage and some applications- D:\ - GPT Partition Style - 1.1TB free space - 2 Partitions D:\ Primary Partition and System Reserved System, Active, Primary Partition

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Why is a there a 50MB "System Reserved" partition on my tertiary drive?

I have 3 drives. A 250GB boot NVMe SSD, a 1TB SATA SSD, and a 2TB HDD. The way windows manages the drives however is that the HDD is disk 0, 1TB SSD is disk 1, and my boot drive is disk 2. There are two partitions on my boot drive reserved for the system, which is normal for windows, however, there is also a partition on my HDD that is titled "System Reserved" and has its own drive letter, D. Windows also decided to put the main pagefile on my HARD DRIVE, which I just changed. I've attached a screenshot of Disk Management.

Does anyone know why this would be the case?

 

Move System Reserved Partition to Allow GPT Formatting

I built my own computer with a 500GB SSD and 4TB HDD. Unfortunately I made the mistake of having both drives connected when installing Windows 10 for the first time, and now there's a System Reserved partition on my HDD. The problem with that is that it's
only recognizing 2TB of the 4TB drive. I can assign a drive letter to only half the space, the other half is not accessible. In order to fix
that, I need to format the drive as GPT, but that option is greyed out since there's a System Reserved Partition on the drive.

How do I move the System Reserved Partition to the SSD in order to format my HDD as GPT and access all 4TB? I don't need to keep any files on either drive, so I'm happy to completely wipe the computer if necessary (possible?).

Thanks.

 

Two System Reserve Partitions

I have two hard drives on my computer, an SSD with my operating system (Windows 8.1 which I just successfully upgraded to Windows 10) and an hdd for additional storage. After upgrading to Windows 10 I noticed that I now have two System Reserve Partitions.
One partition is on the SSD and the other is on the hdd. Both contain bootmgr and similar files. The files on the hdd have newer file modified/created dates than those on the ssd System Reserve partition. If I set my BIOS to boot from the SSD I get the
blue screen message "no bcd found". If I set the BIOS to boot from the hdd it takes over a minute, but Windows 10 boots fine.

I'm guessing that the System Reserve partition on the hdd (storage hard drive) contains the boot files for Windows 10, but Windows 10 is not installed on that drive, it is installed on the SSD (which I think has the old Windows 8.1 boot files on its own
System Reserve partition).

I've given the two System Reserve partitions drive letters so that I can see the contents of the drives. Can I simply copy the contents of the newer System Reserve partition onto the older System Reserve partition so that Windows 10 will boot from the same
SSD that it is installed on?

Thanks for any suggestions,

Craig