ASP.NET application on IIS7 - very slow startup after iisreset

Question

I have an ASP.NET 3.5 website running under IIS7 on Windows 2008.

When I restart IIS (iisreset), then hit a page, the initial startup is really slow.

I see the f

Answer 1

I found that there was a network delay making an initial connection from the front end web server to the database server.

The issue was peculiar to Windows 2008 and our specific network hardware.

The resolution was to disable the following on the web servers:

• Chimney offload state

• Receive window auto-tuning level