Redirected Buffering Sub Sysytem (rdbss) Service Defaults in Windows 7

Provides the framework for network mini-redirectors.

Default Settings

Startup type:System
Display name:Redirected Buffering Sub Sysytem
Service name:rdbss
Service type:filesys
Error control:normal
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\rdbss

Default Behavior

Redirected Buffering Sub Sysytem is a file system driver. In Windows 7 it is being loaded at Kernel initialization. If Redirected Buffering Sub Sysytem fails to start, Windows 7 attempts to write the failure details into Event Log. Then Windows 7 startup should proceed and the user should be notified that the rdbss service is not running because of the error.


Redirected Buffering Sub Sysytem is unable to start, if the Mup service is stopped or disabled.

If Redirected Buffering Sub Sysytem is stopped, the following services cannot start:

Restore Default Startup Configuration for Redirected Buffering Sub Sysytem

1. Select your Windows 7 edition and service pack, and then click Download.

2. Save the Win7_rdbss_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The rdbss service is using the rdbss.sys file that is located in the %WinDir%\system32\DRIVERS folder. If the file is changed, damaged or deleted, you can restore its original version from Windows 7 installation media.