Acunetix Unable to connect to server

I am using Acunetix tool to scan my website but gives an error cannot connect to the website. I am trying to connect to my local host. But it keeps on throwing me this error

04.11 10:53.48, [Error] Server "http://192.168.24.199/" is not responsive.
04.11 10:53.48, [Error] Response body length exceeds configured limit

Its a .Net website running on IIS

Any suggestions will be appretiacted