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Asked: 2026-06-04T23:18:02+00:00

I am facing a problem due to which my users are logging out frequency

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I am facing a problem due to which my users are logging out frequency while appearing in a Multiple choice online exam.

We have implemented exam on a single page and store the option in view state as users selects the same. On select of next question page is loaded again. Sometime “If Session(“User”) = “”” turns out true and user logs out.

I did setup session on first time page load as

Session.Timeout = 340

Also in web config file session timeout is 2 hours.

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
    If Session("User") = "" Then
        Response.Redirect("Default.aspx")
    Else
        //Processing and updating view state.

Please help by looking into this

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1 Answer

  1. Editorial Team

    Might be the reason AppPool getting recycle. Here are the some causes for that:

    1. Your sessionState timeout has expired
    2. You update your web.config or other file type that causes your AppDomain to recycle
    3. Your AppPool in IIS recycles
    4. You update your site with a lot of files, and ASP.NET proactively destroys your AppDomain to recompile and preserve memory.
    5. Or may be any file or directory deleted.

    Ref:Losing Session State

    Solution: use stateserver instead of InProc.

    <sessionState mode="StateServer" stateConnectionString="tcpip=127.0.0.1:42424"   cookieless="UseCookies" timeout="10" regenerateExpiredSessionId="true" />

    http://msdn.microsoft.com/en-us/library/ms972429.aspx

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