How To Expand System Reserved Partition?

The system reserved partition is an essential component of any Windows operating system. This partition is responsible for storing various system files and boot files that are required to boot the system. Over time, this partition may run out of space, and as a result, the system may start to perform slowly or crash frequently. To avoid such issues, it is essential to expand the system reserved partition.

Expanding the system reserved partition is not a straightforward process and requires some technical knowledge. However, by following some basic steps, users can expand their system reserved partition without causing any damage to the system. In this article, we will discuss some of the effective methods to expand the system reserved partition in Windows operating systems. So, if you are facing issues with low disk space in the system reserved partition, keep reading to learn about the best practices to expand it.

How to Expand System Reserved Partition?

System Reserved Partition is a small partition on a hard drive that is created during the installation of Windows operating system. It contains important system files that are required by the Windows Boot Manager and other critical components of the operating system to function properly. However, if the system reserved partition is too small, it can cause issues like slow system performance, error messages, and even lead to system crashes. In such cases, it is recommended to expand the system reserved partition. Here’s how to do it:

Before you begin, make sure you have administrative rights and a backup of your important files.

1. Use Disk Management:
– Open Disk Management by right-clicking on the Start button and selecting “Disk Management”.
– Find the system reserved partition, right-click on it and select “Shrink Volume”.
– Enter the amount of space you want to shrink and click “Shrink” button.
– Right-click on the unallocated space created and select “New Simple Volume”.
– Follow the on-screen instructions to create a new partition.

2. Use Command Prompt:
– Open Command Prompt as an administrator.
– Type “diskpart” and hit Enter.
– Type “list volume” and hit Enter.
– Find the system reserved partition and note down its volume number.
– Type “select volume x” (replace x with the volume number of the system reserved partition) and hit Enter.
– Type “extend size=y” (replace y with the amount of space you want to add to the partition) and hit Enter.

3. Use Partition Wizard:
– Download and install a partition manager like MiniTool Partition Wizard.
– Launch the program and select the system reserved partition.
– Select “Move/Resize Partition” and adjust the partition size as per your requirement.
– Click “OK” and then “Apply” to save changes to disk.

Expanding the system reserved partition can help resolve many issues related to system performance and stability. However, make sure to follow the instructions carefully and take a backup of your important data before making any changes to the disk.


1. What is system reserved partition?

System reserved partition is a small partition on your hard drive that contains startup files required by Windows operating system to boot and run efficiently.

2. Why do I need to expand system reserved partition?

You may need to expand system reserved partition when you encounter issues with your computer’s performance or when you see an error message stating that the partition is running out of space.

3. What are the steps to expand system reserved partition?

To expand system reserved partition, you can use the built-in Disk Management tool in Windows:

1. Press the Windows key + X and select Disk Management.
2. Right-click on the system reserved partition you want to expand and select “Extend Volume”.
3. Follow the prompts in the wizard to adjust the size and location of the partition.

4. How much space do I need to allocate for system reserved partition?

The ideal size of system reserved partition varies depending on your specific system requirements. However, a minimum of 500 MB is recommended for 32-bit versions, and 800 MB for 64-bit versions of Windows 10.

5. What are the risks involved in expanding system reserved partition?

Expanding system reserved partition could cause data loss or system corruption if not handled carefully. Be sure to perform backups of your critical data before making any changes to your hard drive partitions.


In conclusion, expanding the System Reserved Partition is important for improving the performance and efficiency of your computer. By following the aforementioned steps, you can easily expand the partition and alleviate any potential issues caused by a lack of space. Be sure to proceed with caution when performing such tasks and seek assistance from a professional if needed. Remember, a well-maintained computer equates to a smoother user experience.

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