ASP.NET Application Is Timeout Less Than 20 Minutes

Problem

ASP.NET application is timeout less than 20 minutes. You want to increase the timeout value.

Solution

There are several causes for this problem.

1. Change the session state configuration in Web.config (Default: 20 minutes)

	      <sessionState timeout="120" cookieless="AutoDetect">
	

2. IIS worker process recycle too often

IIS worker process may recycle less than 20 minutes if you have lots of applications share a same application pool. Usually it will fix the problem if you put your application in a stand alone application.

3. Change the IIS worker process idle timeout value (Default: 20 minutes)

You can change it at IIS Manager > Application Pools > DefaultAppPool > Properties > Performance.

Related Resources

• Session Timeout Problem
• Session Timeout