Net.Tcp Port Sharing Service (NetTcpPortSharing) Defaults in Windows 10

Provides ability to share TCP ports over the net.tcp protocol.

Default Settings

Startup type:Disabled
Display name:Net.Tcp Port Sharing Service
Service name:NetTcpPortSharing
Service type:share
Error control:normal
Object:NT AUTHORITY\LocalService
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NetTcpPortSharing
  • SeCreateGlobalPrivilege

Default Behavior

Net.Tcp Port Sharing Service is a Win32 service. In Windows 10 it is disabled. When the Net.Tcp Port Sharing Service is started, it is running as NT AUTHORITY\LocalService in a shared process of SMSvcHost.exe along with other services. If Net.Tcp Port Sharing Service fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the NetTcpPortSharing service has failed to start due to the error.

Restore Default Startup Configuration for Net.Tcp Port Sharing Service

1. Run the Command Prompt as an administrator.

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

sc stop NetTcpPortSharing
sc config NetTcpPortSharing start= disabled

3. Close the command window and restart the computer.

The NetTcpPortSharing service is using the SMSvcHost.exe file that is located in the %WinDir%\Microsoft.NET\Framework\v4.0.30319 folder. If the file is changed, damaged or deleted, you can restore its original version from Windows 10 installation media.