WinFix: Release Shadow Copy Storage Space Created By Windows Server Backup

When you backup using Windows Server Backup to local disk media, Windows Server Backup creates a shadow copy storage in that Local disk. If the backup in that Local disk is no longer required, we just delete the backup in WindowsImageBackup Folder.

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However, the space used in VSS is still being used and I show you how to release unneeded VSS storage used by Windows Server Backup.

Steps:

S1-1. Open Properties of Local Disk and navigate to Shadow Copies tab. You will notice on Used Space taken

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S1-2. Open Command Prompt in Administrator Mode, and execute the following command to list all Shadow Copies and Shadow Storage

VssAdmin List Shadows
VssAdmin List ShadowStorage

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 S1-3. Run DiskShadow.exe command to delete Shadow Copy Volume created by Windows Server Backup

>DiskShadow.exe
DISKSHADOW> Delete Shadows Volume F:
DISKSHADOW> Exit

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If you try to delete using VssAdmin command directly, the command will fail

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S1-4. Open Local Disk Properties -> Shadow Copies, the used space is now 0 bytes

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S1-5. In Command Prompt, execute VssAdmin Command to delete Shadow Copy Storage

VssAdmin Delete ShadowStorage /For=F: /On=F: /Quiet

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S1-6. Open Local Disk Properties -> Shadow Copies again, Shadow Copy Storage on Drive F is no longer exist.

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References:

  1. Techotopia: Configuring Volume Shadow Copy on Windows Server 2008
  2. Microsoft Command Line Reference: VssAdmin
  3. Microsoft Command Line Reference: DiskShadow
  4. TechNet: Backup Version and Space Management in Windows Server Backup

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