Sync Host_Session1 (OneSyncSvc_Session1) Service Defaults in Windows 10

Default Settings

Startup type:
Windows 10 Home 1507Automatic
Windows 10 Pro 1507N/A
Windows 10 Education 1507N/A
Windows 10 Enterprise 1507N/A
Windows 10 Home 1511N/A
Windows 10 Pro 1511N/A
Windows 10 Education 1511N/A
Windows 10 Enterprise 1511N/A
Windows 10 Home 1607N/A
Windows 10 Pro 1607N/A
Windows 10 Education 1607N/A
Windows 10 Enterprise 1607N/A
Windows 10 Home 1703N/A
Windows 10 Pro 1703N/A
Windows 10 Education 1703N/A
Windows 10 Enterprise 1703N/A
Display name:Sync Host_Session1
Service name:OneSyncSvc_Session1
Service type:user share process instance
Error control:ignore
Path:%SystemRoot%\system32\svchost.exe -k UnistackSvcGroup
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\OneSyncSvc_Session1

Default Behavior

In Windows 10 it is starting automatically when the operating system starts. If Sync Host_Session1 fails to load or initialize, Windows 10 start up proceeds without warnings. However the error details are being logged.

Restore Default Startup Configuration for Sync Host_Session1

1. Run the Command Prompt as an administrator.

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

sc config OneSyncSvc_Session1 start= auto
sc start OneSyncSvc_Session1

3. Close the command window and restart the computer.

The OneSyncSvc_Session1 service is using the svchost.exe file that is located in the %WinDir%\system32 folder. If the file is changed, damaged or deleted, you can restore its original version from Windows 10 installation media.