Redirected Buffering Sub System (rdbss) Service Defaults in Windows 8

Provides the framework for network mini-redirectors.

Default Settings

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

Default Behavior

The Redirected Buffering Sub System service is a file system driver. In Windows 8 it is being loaded and initialized at Kernel initialization. If Redirected Buffering Sub System fails to start, the error details are added to Windows 8 error log. When the operating system startup is complete, the user is being notified that the rdbss service hasn't been started.


Redirected Buffering Sub System can't start, if the Mup service is disabled or not available.

All the services listed below will not start if Redirected Buffering Sub System is disabled:

Restore Default Startup Configuration of Redirected Buffering Sub System

Before you begin doing this, make sure that all the services on which Redirected Buffering Sub System depends are configured by default and function properly. See the list of dependencies above.

1. Run the Command Prompt as an administrator.

2. Copy the commands below, paste them into the command window and press ENTER:

sc config rdbss start= system
sc start rdbss

3. Close the command window and restart the computer.

The rdbss service is using the rdbss.sys file that is located in the C:\Windows\system32\DRIVERS directory. If the file is removed or corrupted, read this article to restore its original version from Windows 8 installation media.