What is Volume Shadow Copy?
Users frequently overwrite or accidentally delete important files on a shared network drive. Relying entirely on a nightly tape or cloud backup for these minor restorations is slow and frustrating for both the user and the IT department. Volume Shadow Copy Service (VSS) allows Windows Server to take periodic, block-level snapshots of a volume. This empowers users to simply right-click a folder, select “Restore previous versions,” and instantly recover an older version of their file without opening a support ticket.
Step 1: Open Disk Management
Log in to your Windows Server environment. While you can configure VSS through the command line, the graphical interface is the easiest approach. Open Computer Management (or Server Manager) and navigate to Disk Management.
Step 2: Access Shadow Copies Configuration
In the Disk Management interface, right-click on any volume (for example, the D: drive where your file shares are hosted) and select Properties. In the Properties window, click on the Shadow Copies tab.
Step 3: Enable Shadow Copies for a Volume
The interface will list all the volumes on your server. Click on the volume you want to protect (e.g., D:\) and click the Enable button. Windows will immediately take the first baseline snapshot of the volume.
Step 4: Configure Storage Limits
By default, Windows will allocate 10% of the volume’s free space for storing these snapshots. To modify this, click the Settings button while the volume is selected. Under “Maximum size,” you can choose to use a hard limit (e.g., 50,000 MB) or set it to “No limit.”
Warning: If the allocated space fills up, Windows will automatically delete the oldest shadow copies to make room for new ones. Ensure you allocate enough space based on the change rate of your data.
Step 5: Define the Snapshot Schedule
Also within the Settings window, click the Schedule… button. By default, Windows creates snapshots twice a day (typically 7:00 AM and 12:00 PM).
Adjust this schedule to fit your organizational needs. For a highly active file server, you might want to create a shadow copy every 4 hours during the workday (e.g., 8 AM, 12 PM, and 4 PM) so users only lose a maximum of a few hours of work if they make a mistake. Click OK to save the schedule.
Users can now navigate to the shared folder from their Windows 10/11 machines, right-click the file, select “Restore previous versions,” and recover their data instantly.