Unable to access ARAS PLM(HTTP Error 500.19 - Internal Server Error)

Hi, I have installed ARAS PLM and while tring to access it. I am experiencing following issue. Please help in resolving this issue The requested page cannot be accessed because the related configuration data for the page is invalid. Detailed Error Information: Module IIS Web Core Notification BeginRequest Handler Not yet determined Error Code 0x80070021 Config Error 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". Config File \\?\C:\Program Files (x86)\Aras\Innovator\Innovator\web.config Requested URL localhost:80/InnovatorServer Physical Path C:\Program Files (x86)\Aras\Innovator\Innovator Logon Method Not yet determined Logon User Not yet determined Config Source: 3: <system.webServer> 4: <handlers accessPolicy="Read, Script" /> 5: <directoryBrowse enabled="false" /> More Information: This error occurs when there is a problem reading the configuration file for the Web server or Web application. In some cases, the event logs may contain more information about what caused this error. Regards, Adarsh