Windows 7 Services

Server SMB Driver - Windows 7 Service

Enables connectivity from Windows XP and earlier clients.

This service also exists in Windows 10, 8, Vista and XP.

Startup Type

Windows 7 edition without SP SP1
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Default Properties

Display name:Server SMB Driver
Service name:srv
Error control:normal

Default Behavior

The Server SMB Driver service is a file system driver. If the Server SMB Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the srv service has failed to start.


Server SMB Driver will not start, if the Server SMB Driver service is stopped or disabled.

If the Server SMB Driver is stopped, the Server fails to start and initialize.

Restore Default Startup Type for Server SMB Driver

Automated Restore

1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.

2. Save the RestoreServerSMB1xxxDriverWindows7.bat file to any folder on your hard drive.

3. Right-click the downloaded batch file and select Run as administrator.

4. Restart the computer to save changes.

Note. Make sure that the srv.sys file exists in the %WinDir%\System32\DRIVERS folder. If this file is missing you can try to restore it from your Windows 7 installation media.