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10-Minute Solution: Using the Volume Shadow Copy
Decrease your volume of help-desk calls with Windows Server 2003.
by Nelson Ruest and Danielle Ruest

For This Solution: Windows Server 2003, Windows XP Professional

One of the most exciting features of Windows Server 2003 is the Volume Shadow Copy (VSC) service. What's most impressive is that it is fast and easy to implement, and it will have an immediate, positive impact on Help Desk workload because of the way the shadow copy service works with shared folders. The VSC service automatically takes a "snapshot" of the files located in any shared folder where the service has been enabled. These snapshots include an image of the folder's contents at a given point in time.

Depending on the space you make available (each VSC snapshot is 100 megabytes in size), you can have up to 64 different snapshots of a disk volume. Because Microsoft has made a client component of VSC, the Previous Versions client (available along with the VSC), users can have access to these snapshots. This means that once it is implemented and the client is deployed, users can recover almost any lost file by themselves, at the privacy of their own desk, without having to bother anyone and without the embarrassment of having to tell someone they've lost a file once again. The shadow copy service is designed to assist in the process of recovering previous versions of files without having to resort to backups. In this way, VSC is like a server "undelete."

By default, Windows Server 2003 creates shadow copies twice a day, at 7:00 AM and noon. This schedule can be changed if you find that it does not meet your requirements. Shadow copies do not replace backups; they are not backed up, so if a shadow copy is off a system, it is off a system.

Nevertheless, this feature is a boon to system administrators because it cuts down their workload. Here's how to implement it. If you already meet the prerequisites, these steps should take about ten minutes.

1. Prepare your file server. The file server should have at least three different volumes on it. The first, C: drive, should be reserved for the operating system. The second, D: drive, should be your data drive. It should be the biggest volume on the server. The third, E: drive, will be reserved to store the shadow copies. If you want to be able to store the maximum number of copies, this volume should be at least 20 gigabytes (GB) in size. This will give you enough room for 128 shadow copies (64 each for the C: and D: drives), withroom to spare.

2. Enable the Volume Shadow Copy service. VSC is a disk volume property in Windows Server. To enable it, open the Windows Explorer, locate drive D:, right-click on it, and select Properties. In the Properties dialog box, select the Shadow Copy tab. Begin by specifying VSC settings.

Then:

  • Click the Settings button. In the Settings dialog box, use the drop-down list to select the E: Drive (see Figure 1). Set the limit for the copy as appropriate (the default should be fine), and change the schedule if required. Begin with the default schedule first; you can always change it later.
  • Click OK when done. This will automatically enable the VSC service.
  • Click Create Now to take the first snapshot (see Figure 2).
  • Click OK to close the D: drive Properties dialog box.
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