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Uninstalling SIS from a Server

Updated: September 29, 2010

Applies To: Windows Storage Server 2008 R2

By default, Single Instance Storage (SIS) is installed on Windows Storage Server 2008 R2, but is not enabled on any volumes. If left in this state, it has no impact on system performance, and you can keep it installed. If you decide uninstall SIS from your storage appliance, you must first disable SIS on each volume where it has been applied. Failure to do so may result in lost data.

CautionCaution
If you have already enabled SIS on one or more volumes of the storage appliance and then uninstall SIS from the storage appliance, you must use the SysAdmin.exe command-line tool to remove all reparse points and restore all copies of the affected files on all SIS-enabled volumes before you can uninstall SIS.

To uninstall SIS from the storage appliance

  1. On the storage appliance, click Start, point to Administrative Tools, and then click Server Manager.

  2. In the console tree, expand Roles, click File Services, and then click Remove Role Services.

  3. On the Select Role Services page, clear the Single Instance Storage check box, click Next, and then click Remove.

  4. When prompted to restart the server, click Yes.

  5. When the computer restarts, confirm that the message on the Removal Results page indicates that Single Instance Storage role service was removed, and then click Close. Afterwards, the check box to enable SIS no longer appears on the Properties page for that volume.

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