How do I restart a service on a remote machine in windows?

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Windows

service

console

Hi,
I have hosted a page and that receives the data from clients through Mobile App using json. And the data of respective client will be forwarded to respective clients.
The Clients have public IP address and i have installed the service on client and status is manually.

so when the online Site gets the request and i need to start the service of respective client with public ip address and username and password.

So how could i start the service on remote client computer having Public IP address.

What I have tried:

Net Use \\computername password /User:username

Query whether the service is running or stopped:
SC \\computername Query servicename

Query the service startup type, path, display name, dependicies etc:
SC \\computername QC servicename

Start or stop a service:
SC \\computername Start|Stop servicename

Change the service startup type:
SC \\computername Config servicename start= Auto|Demand|Disabled


I have used these commands.

The Login works but other commands doesnot works and message came as access denied.