I have one site collection where I need a data from Session Storage. So I enable my Session from web.config. I know it is not recommended Session in Sharepoint, but my client needs it.

So Basically My need is I have two login option one with SharePoint default login which is working perfectly fine. but in second option I am using form based authentication. its also working fine, but the problem is when I logged for the first time then I Set one Session variable. the basis of that variable I am calling one web service outside of SharePoint which is returning with my username.

when I refresh my page after 4-5 hours session is set to null because of a session timeout. Can we set SharePoint Session timeout same as SharePoint default logout time? if yes please suggest something. I already follow this link, but unfortunately, it is not working for me.


You need to do that in web.config of our application under sessionstorage section:

          <sessionState mode="Off|InProc|StateServer|SQLServer"
          timeout="number of minutes"
          sqlConnectionString="sql connection string"
          stateNetworkTimeout="number of seconds"/>

Use PowerShell to set the TimeOut Value:

$SPSite = Get-SPSite("[your site collection]")
$webApp = $SPSite.WebApplication
$webApp.Enabled = $true
$webApp.Expires = $true
$webApp.Timeout = New-TimeSpan -Hours 2 -Minutes 30

How to change the session timeouts in SharePoint sites

  • Tried not working for me – Negi Rox Jan 24 '18 at 18:31
  • There doesn't seem to be a $webApp.Enabled, $webApp.Expires, or $webApp.Timeout – Nullldata Sep 25 '18 at 13:10

Maybe this is a solution for you (needs to be changed in your web.config):

<forms name=”name” 
      loginUrl=”url”—————————- This was configured when you configured FBA
      timeout=”30″ ————————— This is the default expiration (set it here at your convenience)
  <credentials passwordFormat=”format”/>



Not really sure if that can help you, but I use this function to refresh active sessions:

    function refreshDigestToken() {
        url: _spPageContextInfo.webAbsoluteUrl + "/_api/contextinfo",
        method: "POST",
        headers: {
            "Accept": "application/json; odata=verbose"
        success: function (data) {
        error: function (data, errorCode, errorMessage) {

That way the token should automatically be used for further actions. I have that function on a timer.

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