1537 - How to increase VSS storage space

If a backup fails due to insufficient Volume Shadow Copy (VSS) storage, you can increase the shadow storage by following the steps below.

Note: Based on your operating system, you may need to do this from the command-line (see Article 1536).

• Type Create a restore point into the the Windows search box and click on the menu item that appears.
  
  
  
  
• Then, in the System Properties, choose a drive and click Configure.
  
  
  
  
• In the new window that opens, use the toggle under Disk Space Usage to increase the maximum snapshot size.
  
  
  
  
• Click Apply to enable, then OK to close the windows.