Wednesday, July 13, 2016

This configuration section cannot be used at this path. This happens when the section is locked at a parent level. Locking is either by default (overrideModeDefault="Deny"), or set explicitly by a location tag with overrideMode="Deny" or the legacy allowOverride="false".


You will get this error when your not defined Features Delegations correctly  in the IIS . 

Solution :

You can Fix the issue by configuring the Feature delegation as specified below

-> Got to IIS
-> Go to Features View
->Click on the Feature Delegation
->Update the  Below values  with New Delegations

 Name
Old Delegation
New Delegation
Authentication-Anonymous  
Read\Write
Read only
Authentication- Windows
Read\Write
Read only
Logging
Not delegated
Read\Write
Advanced Logging

Not Delegated




































Now restart the IIS 
You can find more information  from here