Fix We could not update the system reserved partition: When you try to update or upgrade your PC to a newer version of Windows you will likely see this error. The main cause of this error is the lack of available space in the EFI system reserved partition of the hard disk. The EFI System Partition (ESP) is a partition of the hard disk or the SSD drive used by Windows that adheres to the Unified Extensible Firmware Interface (UEFI). When a computer starts up, the UEFI firmware loads the OS installed in ESP and other utilities.
Windows 10 could not be installed We could not update the system reserved partition
Now the easiest way to fix this issue is to increase the size of the EFI system reserved partition and that is exactly what we are going to teach in this article.
We could not update the system reserved partition [SOLVED]
Make sure to create a restore point in case something goes wrong.
Method 1: Using MiniTool Partition Wizard
1.Download and install the MiniTool Partition Wizard.
2. Next, select the system reserved partition and choose the "Extend partition" function.
3.Now choose a partition that you want to allocate space to the system reserved partition from the Take Free Space from drop-down. Next, drag the slider to decide how much free space you want to allocate, and then click OK.
4.From the main interface we can see that the system reserved partition becomes 7.31GB from the original 350MB (It is only a demo, you only have to increase the size of the system reserved partition to a maximum of 1 GB), so please click the "Apply" button to apply the changes. This should correct We were unable to update the System Reserved Partition, but if you don't want to use the third-party application, please follow the method below to fix the problem using the command prompt.
Method 2: Use the Prompt command
Before proceeding, first determine if you have a GTP or MBR partition:
1.Press Windows Key + R, then type "diskmgmt.msc" and press Enter.
2.Right-click on your disk (for example, disk 0) and select properties.
3.Now select the Volumes tab and check on Partition Style. It must be Master Boot Record (MBR) or GUID Partition Table (GPT).
4.Then select the next method according to your partition style.
a) If you have a GPT partition
1.Press Windows key + X and then select Command Prompt (Admin).
2. Type the following command in cmd and hit Enter: mountvol y: / s This will add the letter Y: drive to access the System Partition.
3. Again type taskkill / im explorer.exe / f and hit Enter. Then type explorer.exe and hit Enter to restart the explorer in admin mode.
4.Press Windows Key + E to open File Explorer and type Y: EFIN-MicrosoftNBootN in the address bar.
5. Then select all other language folders except English and permanently delete them. For example, en-US means American English; de-DE means German.
6. Also removes unused font files in Y: EFIN-MicrosoftBootNFonts.
7.Restart your PC to save the changes. If you have a GPT partition the above steps will definitely fix We could not update the system reserved partition but if you have an MBR partition then follow the next method.
b) If you have an MBR partition
Note: Make sure you have a USB flash drive (formatted as NTFS) with at least 250MB of free space.
1.Press Windows key + R, then type diskmgmt.msc and press Enter.
2.Select the Recovery Partition and right-click on it and then select Change Drive Letters and Paths.
3.Choose Add and enter Y for the drive letter and click OK
4.Press Windows key + X and then select Command Prompt (Admin).
5. Type the following in cmd:
Y: takeown / dy / r / f. (Make sure to put a space after the "f" and also include the period) whoami (This will give you a username to use in the next command) icacls. / grant: F / t (Do not put a space between username and ": F") attrib -s -r -h Y: RecoveryWindowsREwinre.wim
(Don't close the cmd yet)
6.Next, open File Explorer and note the letter of the external drive you are using (In our case it is F :).
7. Type the following command in cmd and hit Enter after each one:
mkdir F: N- Windows Recovery RE Copy Y: RecoveryWindowsREwinre.wim F: RecoveryWindowsREwinre.wim / h C: N-System32N-Reagentc / SetREImage / Path F: N- RecoveryN- WindowsRE / Target C: N- Windows of Y: N - Recovery of windows. wim / F
8.Go back to Disk Management and click on the Action menu and select Refresh.
9.Check if the size of the System Reserved Partition has increased, if so then proceed to the next step.
10.Now, once everything is done, we must move the wim file back to the Recovery Partition and re-map the location.
11. Type the following command and hit Enter:
xcopy F: N- RecoveryWindowsREwinre.wim Y: N- RecoveryWindowsREwinre.wim / h C: N-System32N-Reagentc / SetREImage / Path Y: N- RecoveryN-WindowsRE / Target C: N-Windows
12.Again select the Disk Management window and right click on the Recovery Partition and then select Change Drive Letter and Paths. 13.Select Y: and choose delete.
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That's all you've successfully fixed. We couldn't update the System Reserved Partition, but if you still have questions about this guide, please don't hesitate to ask them in the comment section.