ASP.NET Session and Form Authentication Timeout

I do not want to keep logging into my own routine ASP.NET sites over and over again.

I needed to increase a timeout.

First I added new attribute to web.config file

<authentication mode=\"Forms\">

<forms name=\"AUTH\" loginUrl=\"~/Login.aspx\"

cookieless=\"AutoDetect\" timeout=\"40000\" />

and then

I used IIS Admin to set a new value for the site Session State – Cookie Settings – Time-out to the same high number of minutes

Every 10000 minutes correspond to about a week time. Maximum value is one year, i.e. 60*24*365 = 525,600 minutes.