How to Increase System Reserved Partition Windows 7, 8, 10, 11?  

How to Increase System Reserved Partition Windows 7, 8, 10, 11?


Table of Contents
  1. Not enough space for System Reserved partition
  2. Why increase System Reserved partition in Windows 7/8/10?
  3. How to increase System Reserved partition in Windows 7/8/10/11?
  4. Conclusion

Not enough space for System Reserved partition

Unfortunately, the System Reserved partition is a hidden partition that cannot be resized using standard disk management tools. However, you can increase the size of the System Reserved partition by moving the page file to a different drive. To do this, follow these steps: 1. Go to Control Panel > System and Security > System, and click on the "Advanced system settings" link on the left side. 2. Click on the "Settings" button under the "Performance" section. 3.

Why increase System Reserved partition in Windows 7/8/10?

When you try to upgrade to Windows 10 from Windows 8.1 or Windows 7, but the System Reserved partition is too full, you may get an error message saying "We couldn't update the System Reserved partition". This can also cause other errors.

Failed to Install Windows

Windows 10 requires a minimum of 500 MB space on the System Reserved partition to upgrade from earlier Windows versions. If this space is not available, the upgrade will not proceed.

How to increase System Reserved partition in Windows 7/8/10/11?

The System Reserved partition cannot be easily extended using Disk Management due to the "Extend Volume..." option being grayed out. To extend this partition, a professional third-party tool such as Qiling Disk Master Standard is recommended.

Qiling Disk Master Standard is a free disk manager that supports all editions of Windows 7/8/10/11/Visa/XP. It allows users to easily and securely increase the System Reserved partition, and also enables resizing of BitLocker partitions. The software provides a straightforward solution for managing disk partitions, making it a useful tool for users looking to optimize their system's disk space.

Step 1. Free download this freeware, install and open it.

Step 2. Right-click on a redundant partition and select "Resize/Move Partition" to generate unallocated space, which can then be used to resize the System Reserved partition. This can be done by selecting the C: drive or the drive after C, as it only needs 400 MB at most.

Here, we're taking the C: partition as an example and our goal is to allocate some space from the C: partition to the System Reserved partition.

Resize C Drive

Step 3. In the next window, drag the slider bar to the right to increase the space, or enter a specific amount of space you want to shrink.

Move and Resize Partition

Step 4. The program will restart your computer to complete these operations under PreOS Mode, but you can also use the "Merge Partitions" feature to unallocated space into your system reserved partition or other partitions that need to be enlarged.

Merge Partitions

You can use Qiling Disk Master Professional to allocate free space from any other partition to the System Reserved partition.

Conclusion

After increasing the System Reserved partition, you can upgrade to Windows 10 or 11 without errors, and then delete nonfunctional recovery partitions to free up space. Additionally, you can use Qiling Disk Master to migrate OS, clone disk, and convert disk between MBR and GPT without losing data.

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