What’s the VSS Insufficient Storage Problem in Detail?

VSS is short for Volume Shadow Copy Service. You may encounter VSS insufficient storage error when doing a backup task with Volume Shadow Copy Service:

Detailed error message shows: ERROR – A Volume Shadow Copy Service operation error has occurred:

Insufficient storage available to create either the shadow copy storage file or other shadow copy data. (0x8004231f)

Causes of VSS Insufficient Storage Problem?

There are some reasons could lead to VSS Insufficient Storage the error.

  1. Usually, the problem is caused by insufficient storage on the related partitions contains the System Reserved Partition. You may have made some restore points before which created snapshots saved on a partition of the disk and consuming disk volume.
  2. Allocating a drive letter to the Microsoft System Reserved (MSR) partition, which is needed to boot Windows system, or OEM utility partition, which only exists on some machines, can also lead to VSS error.

  3. The defined maximum size of the Volume Shadow Copy is smaller than required size to complete the shadow copy may also reason for this error.

(Guide) How to Fix & Solve VSS Insufficient Storage Error Issue

Luckily, there are several methods to solve the VSS Insufficient Storage problem.

VSS Insufficient Storage

  1. If the related partition has sufficient disk space but the defined max size of the Volume Shadow Copy is too small, You can allocate more storage by using the command. You can run the following prompt to see the defined max size of the Volume Shadow Copy first:

Vssadmin list shadowstorage

Vssadmin resize shadowstorage command:

vssadmin resize shadowstorage /for=<ForVolumeSpec> /on=<OnVolumeSpec> [/maxsize=<MaxSizeSpec>]

For example, If you are going to allocate more 80GB space, you can input following commands:

vssadmin resize shadowstorage /For=C: /On=C: /MaxSize=80GB

Actually, the Maxsize does not have to be a specific number, and you can set it as /maxsize=UNBOUNDED as well.

  1. If there is no sufficient storage on the related partition, you can get more space by deleting files or expanding the partition. To delete all VSS snapshots on your computer, you can use the vssadmin command. Following are the commands to delete shadows:

vssadmin delete shadows /for=<ForVolumeSpec> [/oldest | /all | /shadow=<ShadowID>] [/quiet]

You can also use the command “vssadmin delete shadows /all” to delete all VSS snapshots. If you don’t want to delete all of them, you can run the command “vssadmin list shadows” instead to display a list of snapshots, then delete some specific snapshots with its ID or volume.

  1. If the MSR or OEM partition has a drive letter, you can remove the drive letter of the partition, that will be interesting.

New solution for VSS Insufficient Storage Error –

As we know, VSS is an advantage of Microsoft Windows. But as we know too, Windows built-in tool often come into questions, and the built-in programs are not easy to use well. If we can use some third-party tool as alternatives, we will save many troubles. Now, there is a simple way – using free backup tool AOMEI Backupper Standard. This product has its own technique to perform live backups instead of using VSS. Please check Use AOMEI’s built-on technique to backup without interrupting, and then you won’t worry about the VSS insufficient storage error anymore.

AOMEI Backupper is a full-scale Windows backup software, and you can protect your data with the help of it conveniently.

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