How to Reclaim Space from Disk Shadows Copies in Windows?

  Tej Pratap Shukla
Written By Tej Pratap Shukla
Anuraag Singh
Approved By Anuraag Singh  
Modified On March 27th, 2026
Reading Time 7 Minutes Reading

Many Windows users have encountered issues with the amount of space available on their hard drives. One of the most common reasons for these unexplained system file spaces to exist is due to the presence of Volume Shadow Copy (VSS) system files (called VSS snapshots) that are created by default when you set an automatic system restore point. In this guide, we will provide you with everything that you need to know about shadowing disks and how to manage them. In the similar context, you can do check the article on how to factory reset PC.

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What Is a Disk Shadow Copy?

A disk shadow copy (also known as a volume shadow copy) is often referred to as a VSS snapshot, which is a bitmap file or snapshot taken of the current state of your Volume Shadow Copy Service (VSS) volumes/files. When a VSS snapshot is created, it means the currently used state of the file system is backed up and can be restored later if necessary (i.e. when there is an error or data loss on a particular drive).

VSS shadow copies can be created whenever your system runs into hard drive problems, including failure or inability to boot due to corruption, etc. Shadow copies can also have changed data if done via the Copy-On-Write method because copies are created from only those parts of a system volume that have been changed since the previous snapshot was taken. The result is a lot of disk space being used up if not managed well after every snapshot is taken, as the Copy-On-Write method does not remove the previous snapshot.

Why You Need to Reclaim Space from Shadow Copies?

The reason you need to know how to recover space from disk shadows copies is:

  • Shadow copies can silently take up a lot of space on your disk
  • They can produce exhausted disk space alerts
  • If space runs out, backup and restore operations can also fail
  • System performance can degrade

#1: Delete Shadow Copies Using System Protection

One of the most straightforward methods to learn about how restore space from disk shadows copies is via System Protection settings.

Steps:

  • Press Windows + R
  • Type SystemPropertiesProtection and hit Enter
  • And pick your system drive (typically C:)
  • Next, click on Configure
  • After that, tap on Delete [under > Delete all restore points]
  • Confirm the action

Explanation:

This method deletes every single restore point (shadow copy) on the drive selected. This method is fast and efficient but deletes all previous recovery points.

#2: Disk Cleanup Utility to Restore Space from Shadow Copies

Windows has its own tool known as Disk Cleanup, which can be used to get rid of these, including obsolete shadow copies.

Steps to Perform:

  • Find the Disk Cleanup in Start menu
  • Select the system drive
  • Then, click Clean up system files
  • Go to the More Options tab
  • Finally, click on the Clean up button under “System Restore and Shadow Copies”

Provided:

This method removes older restore points while keeping the latest one. This is what you want to do when you want to gain back space but still retain all recovery options.

Also read: How to Destroy an Old Hard Drive.

#3: Use Command Prompt (VssAdmin)

For more advanced users, the Command Prompt provides some control over shadow copies.

Steps:

  • Open Command Prompt as Administrator
  • Type the following command:
vssadmin list shadows
  • (This shows existing shadow copies)
  • To delete all shadow copies:
vssadmin delete shadows /all
  • Confirm by typing Y

Description:

Using vssadmin tool, you can perform shadow copy creation, deletion and management directly.

One of the most straightforward approaches to performing prevent space from disk shadows copies, particularly with a large measure of a stockpiling utilization.

#4: Resize Shadow Storage

This method highlights that instead of limiting of deleting shadow copies, just limit their space usage.

Steps:

Open Command Prompt as Administrator

Run:

vssadmin list shadowstorage

Resize storage:

vssadmin resize shadowstorage /For=C: /On=C: /MaxSize=10GB

Explanation:

This one limits the amount of disk space shadow copies are allowed to use. If the limit is hit, it will automatically remove the oldest copies.

It is an advance way of how to reclaim space from disk shadows copies while still maintaining system restore option.

#5: Disable System Protection

This approach focuses on completely disabling shadow copies if you do not need restore points.

Steps:

  • Open System Properties
  • Go to System Protection
  • Choose the drive and click on Configure
  • Choose Disable system protection
  • Apply changes

Explanation:

System Protection does not create new shadow copies if it is disabled. But it takes away your option to restore to the previous state of your system.

#6: How to Reclaim Space from Disk Shadows Copies using Delete Specific Shadow Copies

Instead of deleting entire copies, you can remove only selected ones.

Steps:

Run:

vssadmin list shadows

Identify the Shadow Copy ID

Delete using:

vssadmin delete shadows /Shadow={ID}

Given:

You can use this method when you only want some control over the usage of store. It allows you to be specific with how to reclaim space from disk shadows copies

#7: Reclaim Space from Disk Shadows Copies Using DiskShadow Tool

DiskShadow is an intermediate-to-advanced utility primarily intended for IT professionals.

Key Commands:

list shadows

delete shadows

create shadow

Explanation:

DiskShadow is usually used in the enterprise world and gives more granular control over shadow copy management.

#8: Check and Manage Hidden System Volume Information

Shadow copies are kept in System Volume Information folder, which is a hidden and protected folder.

Steps:

  • In File Explorer turn on display hidden files and system files
  • Navigate to the drive
  • Check Disk Space Usage (Do Not Manually Remove Files)

Explanation:

You shouldn’t delete directly, but checking this folder will give you an idea if shadow copies are using up space.

Expert Solution to Reclaim Space From Disk Shadows Copies Securely

To handle space on the disk in a more systematic and safe manner one can make use of SysTools Data Erasure Software. This application assists in removing unwanted data for good, which covers residual files that may still be existent even after removing shadow copies like.

This makes it very much, especially helpful for the users who have been looking for a solution to ease out the manual methods often, and to have some of the reliable and efficient methods to do so.

Best Practices for Managing Shadow Copies

In order to avoid reoccurring storage problems:

  • Monitor shadow storage modes frequently
  • Decide on the maximum amount of storage
  • Regularly to perform a cleanup one
  • For safety, always keep at least one restore point available
  • Never put the shadow storage area to “Unlimited”

Common Problems and Solutions

Shadow Copies Are Not Being Deleted

Users occasionally report that even after shadow copies are deleted. This usually has one of two or more causes:

  • After restarting the system
  • Running orders on Safe Mode
  • Set permissions

Low levels of disk space

If shadow storage has no limit, it will take up most of the disk. Limiting your storage size is an effective way of solving this problem.

Final Words

So recovering space from disk shadow copies is important for having a healthy and efficient Windows system. For many workloads, shadow copies are extremely useful to recover, but without careful management of the storage the shadow copies are taking up, it can take serious amounts of disk space.

The correct usage of methods such as Disk Cleanup, VssAdmin commands, storage resizing, and feature turning off will help you manage and recover lost and valuable disk space.

These strategies keep your system fast, responsive, and free of unnecessary files.