{"id":74860,"date":"2024-04-18T11:43:00","date_gmt":"2024-04-18T06:13:00","guid":{"rendered":"http:\/\/198.58.113.91\/blog\/?p=74860"},"modified":"2024-04-18T12:04:48","modified_gmt":"2024-04-18T06:34:48","slug":"create-move-efi-partition-windows","status":"publish","type":"post","link":"https:\/\/www.winhelponline.com\/blog\/create-move-efi-partition-windows\/","title":{"rendered":"How to Move EFI System Partition to Another Drive in Windows 10 or 11"},"content":{"rendered":"

The EFI partition is created automatically when you install Windows. However, after adding a second HDD\/SSD and installing Windows on that disk, you may realize that the EFI system partition remains on the old hard disk. You wonder how to move the EFI partition from the old hard drive to the new one.<\/p>\n

For example, the screenshot below shows no EFI partition on “Disk 2” (SSD, where Windows is installed). Instead, the EFI partition exists on the old drive, “Disk 1”. This means physically removing Disk 1 will stop the system from booting.<\/p>\n

\"EFI<\/p>\n

The user added an SSD and installed Windows on the SDD. Later, he realized that the EFI System Partition was\u00a0not on the SSD but remained on the old HDD.<\/p>\n

As a result, you cannot physically remove and discard the old hard drive. The problem is that the EFI partition is located on the old hard drive, and removing that drive will render the system unbootable.<\/p>\n

Resolution<\/h2>\n

To resolve the issue, create a new EFI system partition on the SSD, which is Disk 2 in this example.<\/p>\n

To create the EFI boot partition, one of the partitions (e.g., C:\\ ) on Disk 2 needs to be shrunk by 100 to 200 MB. The entire procedure can be completed using the command-line. Follow the steps below:<\/p>\n

From an admin Command Prompt<\/a>, run the following commands:<\/p>\n

diskpart\nselect volume C<\/strong>\nshrink desired=150\ncreate partition efi size=150\nformat fs=fat32 quick\nassign letter=Y\nlist vol\nexit<\/pre>\n
Important: Do not proceed to the next command if a command fails to execute correctly.<\/em><\/p>\n
Next, to copy the boot files and create the Boot Configuration Database (BCD) file, run the following:<\/p>\n
bcdboot C:\\Windows \/s Y:<\/pre>\n
You should see the output “Boot files successfully created.”<\/em><\/p>\n
(In the above example, C:\\ is where Windows is installed, and Y:\\ is the drive letter we assigned for the EFI system partition.)<\/em><\/p>\n
RELATED:<\/strong> How to Rebuild the EFI Boot Partition, BCD and Boot Files<\/a><\/div>\n
That’s it. The above steps create the EFI partition on Disk 2, where the OS partition (C:\\ drive ) exists.<\/p>\n
Open Disk Management. You should see the newly created EFI system partition on Disk 2. You can now physically remove Disk 1 if you don’t need it.<\/p>\n","protected":false},"excerpt":{"rendered":"
The EFI partition is created automatically when you install Windows. However, after adding a second HDD\/SSD and installing Windows on that disk, you may realize that the EFI system partition remains on the old hard disk. You wonder how to move the EFI partition from the old hard drive to the new one.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[8,869],"tags":[106,865],"class_list":["post-74860","post","type-post","status-publish","format-standard","hentry","category-windows-10","category-windows-11","tag-command-prompt","tag-diskpart"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":39066,"url":"https:\/\/www.winhelponline.com\/blog\/error-0x80070002-0x20009-windows-setup\/","url_meta":{"origin":74860,"position":0},"title":"Error 0x80070002 – 0x20009 During Windows 10\/11 Setup","author":"Ramesh","date":"April 17, 2023","format":false,"excerpt":"When you install Windows 10 or 11, the setup may fail with the error 0x80070002-0x20009. 0x80070002 \u2013 0x20009 The installation failed in SAFE_OS phase with an error during PREPARE_ROLLBACK operation. 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