Solved-You must have administrative rights on this machine in order to run this tool

When I tried to run this command “aspnet-regiis.exe -ir” in the command prompt I got the following message “You must have administrative rights on this machine in order to run this tool”.

Solution:

You must follow the following instruction,

Start-> cmd 

Right click on it and select “Run as administrator” and to confirm, click yes button, it will open a command prompt like below. 

Type this command “aspnet-regiis.exe -ir” in the command prompt and press enter.