- Open your Central Administration
- Manage service applications
- Check the service application by the name ‘state service service application’
Make sure that the remove and add lines exist in the modules section for Session.
<remove name="Session" />
<add name="Session" type="System.Web.SessionState.SessionStateModule" preCondition="" />
After implementing the above changes, the error should have to go away.
Product Applies To
What is session state? What exactly its functionality? How it works?
State service and session state cmdlets (SharePoint Server 2010)
Manage the State Service (SharePoint Server 2010)