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Editorial Team
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Asked: 2026-05-14T23:19:39+00:00

I have a website in C#/ASP.NET that is currently in development. When we are

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I have a website in C#/ASP.NET that is currently in development. When we are in production, I would like to do releases frequently over the course of the day, as we fix bugs and add features (like this: http://toni.org/2010/05/19/in-praise-of-continuous-deployment-the-wordpress-com-story/).

If you upload a new version of the site or even change a single file, it kicks out the users that are currently logged in and makes them start over any forms and such. Is there a secret to being able to do deployments without interfering with users for .NET sites?

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  1. Editorial Team

    If you make a change to a config file, the contents of a bin folder of the app, or things like that, the ASP.NET worker process restarts along with your application.

    This results in deleted sessions and kicked-out users.

    The solution is to use other session storage methods other than the default InProc.
    You can achieve this by setting the session state mode. The SqlServer and StateServer options provide very good remedy for your issue.

    SqlServer mode is relatively easy to set up and get up and running. (Basically, it’s just creating a database, running aspnet_regsql, and then specifying it to the config.) If you don’t have MS SQL Server or don’t want to use it, you can use StateServer, or create your own provider and use the Custom mode.

    The only restriction is that you can only store serializable values with SqlServer and StateServer mode.

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