After you install Microsoft SharePoint Portal Server 2010,
you must configure the Internet Information Services software to set
up the session modules for use with Web Parts.
Procedure
- On your SharePoint server, start Microsoft Internet Information Services
Manager.
- Select your SharePoint virtual directory.
- From the IIS section, select Modules.
- At the top right of the screen, under Actions,
click Add Managed Module.
- In the Add Managed Module dialog
box, enter a Name and in the Type drop-down
box, select the following value:
System.Web.SessionState.SessionStateModule,System.Web,Version=2.0.0.0.,
Cultural=neutral,PublicKeyToken=b03f5f7f11d50a3a