Session state can only be used when enableSessionState is set to true SharePoint 2013

The short articles shows you how to resolve the error “Session state can only be used when enableSessionState is set to true” in SharePoint 2013 environment.

You might have the following error when browsing your ASP.NET project.

System.Web.HttpException was unhandled by user code


Message=Session state can only be used when enableSessionState is set to true, either in a configuration file or in the Page directive. Please also make sure that System.Web.SessionStateModule or a custom session state module is included in the <configuration>\<system.web>\<httpModules> section in the application configuration.





       at System.Web.UI.Page.get_Session()

       at DataWebServiceClientCS.DataWebServiceClientCS.LoadGridFromWebService() in c:\inetpub\wwwroot\wss\VirtualDirectories\80\DataWebServiceClientCS\DataWebServiceClientCS.aspx.cs:line 69

       at DataWebServiceClientCS.DataWebServiceClientCS.Page_Load(Object sender, EventArgs e) in c:\inetpub\wwwroot\wss\VirtualDirectories\80\DataWebServiceClientCS\DataWebServiceClientCS.aspx.cs:line 28

       at System.Web.UI.Control.LoadRecursive()

       at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)



If you search “Session state can only be used when enableSessionState is set to true” in google then you will get the solution like:

Set the web.config


      <pages enableSessionState=”true” />




Set your aspx page attribute

<%@Page enableSessionState=“true”>

In fact the solution is correct but it will not work if your IIS is setup using the SharePoint Pool.

If you host the ASP.NET using SharePoint Server then you need to issue the following command in SharePoint Powershell.

Enable-SPSessionStateService -DefaultProvision

About chanmingman

Since March 2011 Microsoft Live Spaces migrated to Wordpress ( till now, I have is over 1 million viewers. This blog is about more than 50% telling you how to resolve error messages, especial for Microsoft products. The blog also has a lot of guidance teaching you how to get stated certain Microsoft technologies. The blog also uses as a help to keep my memory. The blog is never meant to give people consulting services or silver bullet solutions. It is a contribution to the community. Thanks for your support over the years. Ming Man is Microsoft MVP since year 2006. He is a software development manager for a multinational company. With 25 years of experience in the IT field, he has developed system using Clipper, COBOL, VB5, VB6, VB.NET, Java and C #. He has been using Visual Studio (.NET) since the Beta back in year 2000. He and the team have developed many projects using .NET platform such as SCM, and HR based applications. He is familiar with the N-Tier design of business application and is also an expert with database experience in MS SQL, Oracle and AS 400.
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