Creating a MSOL Service Principal Name

• Pre-Requisite

Install the Office 365 Command Lets 64 Bit
Install the Office 365 Command Lets 32 Bit

• Import Online Module

       After installing the Office 365 Command Let Module, Open the Power Shell Window and Please run the following command to import the Office 365 Command lets.

Import-Module MsOnlineExtended -Force

• Connect the Office 365 

     Run the Following Command to establish the connectivity from your local server to office 365.
    
Connect-MsolService  

• Create the Service Principal Name  

 Run the following command to create the service principal name.

New-MsolServicePrincipal -ServicePrincipalNames ServicePrincipalId/Tenant.com -DisplayName "Service Principal Name"

After running the above command it will create the service principal name and generate the symmetric key.  Please store the symmetric key in safe location.

References:
Service Principal Name