Windows 7 Services

SMB 2.0 MiniRedirector - Windows 7 Service

Implements the SMB 2.0 protocol, which provides connectivity to network resources on Windows Vista and later servers.

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

Startup Type

Windows 7 edition without SP SP1
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Default Properties

Display name:SMB 2.0 MiniRedirector
Service name:mrxsmb20
Error control:normal

Default Behavior

The SMB 2.0 MiniRedirector service is a file system driver. If the SMB 2.0 MiniRedirector 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 mrxsmb20 service has failed to start.


SMB 2.0 MiniRedirector will not start, if the SMB MiniRedirector Wrapper and Engine service is stopped or disabled.

If the SMB 2.0 MiniRedirector is stopped, the Workstation fails to start and initialize.

Restore Default Startup Type of SMB 2.0 MiniRedirector

Automated Restore

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

2. Save the RestoreSMB20MiniRedirectorWindows7.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 mrxsmb20.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.

Yea, though I walk through the valley of the shadow of death, I will fear no evil: for thou art with me; thy rod and thy staff they comfort me.