Getting the below error when we try to start reporting services.
Service cannot be started. Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: The report server has encountered a configuration error. ---> System.Exception: The configuration file contains an element that is not
valid. The RSWindowsExtendedProtectionLevel element is not a configuration file element.
at Microsoft.ReportingServices.Diagnostics.RSConfigurationFileManager.ParseAuthentication(XmlNode node, ConfigurationPropertyBag properties)
at Microsoft.ReportingServices.Diagnostics.RSConfigurationFileManager.ParseDocument(XmlDocument xmlConfiguration)
at Microsoft.ReportingServices.Diagnostics.RSConfigurationFileManager.LoadDocument()
at Microsoft.ReportingServices.Diagnostics.RSConfigurationFileManager.LoadConfiguration()
--- End of inner exception stack trace ---
at Microsoft.ReportingServices.Diagnostics.RSConfigurationFileManager.LoadConfiguration()
at Microsoft.ReportingServices.Diagnostics.RSConfigurationFileManager..ctor(String configFileName, String configLocation...