Create App Pools via Command Line

You can create app pools via cmd line.

1. Run cmd as Administrator:

2. Change to inetsrv dir.

3. Run a cmd like this:

C:\Windows\System32\inetsrv>appcmd add apppool /name:NewAppPool

(replace "NewAppPool" with what ever you want)

Done.

ref:http://learn.iis.net/page.aspx/114/getting-started-with-appcmdexe/