
1.Go to Services -> Check whether SharePoint Administration and SharePoint Timer Service are started.
2.Go to IIS -> Application Pools -> SharePoint Central Administration v4 and SharePoint 80 -> Advanced Settings -> Process Model -> Identity -> Using farm account to set the user name, password and confirm password.
3.Start the SharePoint Central Administration v4 and SharePoint 80 Application Pools.
4.Run IISRESET in the SharePoint 2013 Management Shell.
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