How to create a VSS snapshot

I recently needed to quickly create a volume shadow copy (VSS) snapshot on Windows 10.
Using Get-CimInstance -ClassName Win32_ShadowCopy returned nothing.
Let’s inspect what methods are available:

Get-CimClass -ClassName Win32_ShadowCopy|
Select -ExpandProperty CimClassMethods

Can we get more info about the parameters of the Create method?

Ok, it requires an Id as input and will return a ShadowID.

The Create method is documented here. In my case, I didn’t use a Context parameter on Windows 10 and it’s not complaining when it’s missing.

Invoke-CimMethod -ClassName Win32_ShadowCopy `
-MethodName Create -Arguments @{Volume='C:\' }

The return value equals 0 means it’s a success 🙂

1 thought on “How to create a VSS snapshot

  1. Pingback: Dew Drop – July 13, 2021 (#3483) – Morning Dew by Alvin Ashcraft

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