DevQuery Background Discovery Broker (DevQueryBroker) Service Defaults in Windows 10

Enables apps to discover devices with a backgroud task.

Default Settings

Startup type:Manual
Display name:DevQuery Background Discovery Broker
Service name:DevQueryBroker
Service type:share
Error control:normal
Path:%SystemRoot%\system32\svchost.exe -k LocalSystemNetworkRestricted -p
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DevQueryBroker
  • SeAssignPrimaryTokenPrivilege
  • SeRestorePrivilege
  • SeImpersonatePrivilege
  • SeTcbPrivilege
  • SeDebugPrivilege

Default Behavior

DevQuery Background Discovery Broker is a Win32 service. In Windows 10 it is starting only if the user, an application or another service starts it. When the DevQuery Background Discovery Broker service is started, it is running as LocalSystem in a shared process of svchost.exe along with other services. If DevQuery Background Discovery Broker fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the DevQueryBroker service has failed to start due to the error.

Restore Default Startup Configuration of DevQuery Background Discovery Broker

1. Run the Command Prompt as an administrator.

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

sc config DevQueryBroker start= demand

3. Close the command window and restart the computer.

The DevQueryBroker service is using the DevQueryBroker.dll file that is located in the C:\Windows\system32 directory. If the file is removed or corrupted, read this article to restore its original version from Windows 10 installation media.