2 Detailed Ways to Fix VolSnap Error 36 on Your PC

Resolve VolSnap Error 36: Free up space and back up your data

Volume Shadow Copy Service allows you to create backup snapshots or copies of computer files or volumes that are located on internal or external hard drives. VolSnap is the system file for this service. Some users may experience VolSnap Error 36 due to insufficient storage space. Fortunately, this article on MiniTool website lists more feasible solutions.

VolSnap Error 36

Volsnap or Volsnap.sys refers to Windows system files related to the Volume Shadow Copy service. This system file allows you to access core files, hardware, and more during the backup process. Sometimes, you may receive VolSnap error 36 when backing up. Volsnap Event ID 36 Indicates that Shadow Copy does not have enough storage space. If you have the same problem, scroll down to get some workable solutions.

How to fix VolSnap error 36 on Windows 10/11?

Method 1: Delete old shadow copy

Sometimes, Windows automatically creates restore points to back up your data. Although these restore points are useful when there is a system problem, older restore points can take up some disk space. When your shadow copy storage is insufficient, you can follow the following guide to delete old shadow copy to save more space:

Step 1. Press Win S to open the search bar .

Step 2. Enter cmd and run the command prompt as administrator.

Step 3. In the command window, enter vssadmin delete shadows /for=c: /oldest and press Enter to delete the oldest shadow copy of volume C.

Step 4. If you want to delete a specific shadow copy, run the following command. Make sure to replace the ID with your Shadow Copy Set ID content.

vssadmin delete shadows /shadow={ac26ca0b-3acc-45b7-a299-2637f71ad579}

Method 2: Increase shadow copy storage space

Another way to free up more shadow copy storage space is to allocate more space manually. The operation method is as follows:

Step 1. Run the command prompt with administrator privileges.

Step 2. Enter vssadmin list shadowstorage and press Enter to display your shadow copy storage space.

Step 3. To increase the storage space to 10 GB, type the following command and do not forget to press Enter . Don't forget to replace 10 GB with the amount of space you want to increase.

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

Step 4. After completing this process, exit the command prompt to see if VolSnap error 36 disappears.

Suggestions: Create backups with manual tools – MiniTool ShadowMaker

In addition to the built-in backup utility for Windows, there are also some free and easy-to-use third-party PC backup software, such as MiniTool ShadowMaker. This tool specializes in creating backup plans for individuals and companies. It supports various projects such as files, folders, systems, partitions, and disks. Now, let's see how to use it to back up files:

Step 1. Download, install and start MiniTool ShadowMaker for free.

Step 2. Go to Backup > Source > Folders and Files to check the file you want to back up.

In the destination , you can select the path to store the backup image file. Here, it is more recommended to use an external hard drive or a USB flash drive.

Step 3. Click Backup Now to start the process immediately, or delay the task by clicking Backup Later . If you choose the latter, you can find delayed tasks in the Admin page.

Conclusion

This article describes two ways to fix VolSnap 36 by adjusting the shadow copy storage space. Additionally, we recommend using another tool called MiniTool ShadowMaker to create backups to protect your data. Trial for free now!

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