function Get-IISInventory {
<#
.SYNOPSIS
    Returns an OrderedDictionary that Represents the IIS Inventory.
#>

    [CmdletBinding()]
    Param()

    $logLead  = (Get-LogLeadName);
    $providerStopWatch =  [System.Diagnostics.StopWatch]::StartNew()

    $mgr = New-Object Microsoft.Web.Administration.ServerManager
    $iisDictionary = New-Object System.Collections.Specialized.OrderedDictionary
    $iisDetails = New-Object System.Collections.Specialized.OrderedDictionary
    $appPoolDetails = New-Object System.Collections.Specialized.OrderedDictionary
    $webSiteDetails = New-Object System.Collections.Specialized.OrderedDictionary

    Write-Verbose "$logLead : [$($providerStopWatch.Elapsed)] : Parsing IIS Details"

    try {

        foreach ($appPool in $mgr.ApplicationPools) {

            $appPoolName = $appPool.Name

            $appPoolDetails[$appPoolName] = New-Object System.Collections.Specialized.OrderedDictionary
            $appPoolDetails[$appPoolName]["CLRVersion"]                              = $appPool.ManagedRuntimeVersion
            $appPoolDetails[$appPoolName]["Enable32BitAppOnWin64"]                   = $appPool.Enable32BitAppOnWin64
            $appPoolDetails[$appPoolName]["ManagedPipelineMode"]                     = $appPool.ManagedPipelineMode
            $appPoolDetails[$appPoolName]["QueueLength"]                             = $appPool.QueueLength
            $appPoolDetails[$appPoolName]["StartMode"]                               = $appPool.StartMode
            $appPoolDetails[$appPoolName]["State"]                                   = $appPool.State
            $appPoolDetails[$appPoolName]["AutoStart"]                               = $appPool.AutoStart

            $appPoolDetails.$appPoolName["CPU"] = New-Object System.Collections.Specialized.OrderedDictionary
            $appPoolDetails.$appPoolName["CPU"]["Limit"]                             = $appPool.Cpu.Limit
            $appPoolDetails.$appPoolName["CPU"]["LimitAction"]                       = $appPool.Cpu.Action
            $appPoolDetails.$appPoolName["CPU"]["LimitInterval"]                     = ($appPool.Cpu.ResetInterval).ToString()
            $appPoolDetails.$appPoolName["CPU"]["AffinityEnabled"]                   = $appPool.Cpu.SmpAffinitized
            $appPoolDetails.$appPoolName["CPU"]["AffinityMask"]                      = $appPool.Cpu.SmpProcessorAffinityMask
            $appPoolDetails.$appPoolName["CPU"]["AffinityMask64"]                    = $appPool.Cpu.SmpProcessorAffinityMask2

            $appPoolDetails.$appPoolName["ProcessModel"] = New-Object System.Collections.Specialized.OrderedDictionary
            $appPoolDetails.$appPoolName["ProcessModel"]["EventLogEntry"]            = $appPool.ProcessModel.LogEventOnProcessModel
            $appPoolDetails.$appPoolName["ProcessModel"]["IdentityType"]             = $appPool.ProcessModel.IdentityType
            $appPoolDetails.$appPoolName["ProcessModel"]["UserName"]                 = $appPool.ProcessModel.UserName
            $appPoolDetails.$appPoolName["ProcessModel"]["IdleTimeout"]              = ($appPool.ProcessModel.IdleTimeout).ToString()
            $appPoolDetails.$appPoolName["ProcessModel"]["IdleTimeoutAction"]        = $appPool.ProcessModel.IdleTimeoutAction
            $appPoolDetails.$appPoolName["ProcessModel"]["LoadUserProfile"]          = $appPool.ProcessModel.LoadUserProfile
            $appPoolDetails.$appPoolName["ProcessModel"]["MaximumWorkerProcesses"]   = $appPool.ProcessModel.MaxProcesses
            $appPoolDetails.$appPoolName["ProcessModel"]["PingEnabled"]              = $appPool.ProcessModel.PingingEnabled
            $appPoolDetails.$appPoolName["ProcessModel"]["PingMaxResponseTime"]      = ($appPool.ProcessModel.PingInterval).ToString()
            $appPoolDetails.$appPoolName["ProcessModel"]["PingPeriod"]               = ($appPool.ProcessModel.PingResponseTime).ToString()
            $appPoolDetails.$appPoolName["ProcessModel"]["ShutdownTimeLimit"]        = ($appPool.ProcessModel.ShutdownTimeLimit).ToString()
            $appPoolDetails.$appPoolName["ProcessModel"]["StartupTimeLimit"]         = ($appPool.ProcessModel.StartupTimeLimit).ToString()

            $appPoolDetails.$appPoolName["ProcessOrphaning"] = New-Object System.Collections.Specialized.OrderedDictionary
            $appPoolDetails.$appPoolName["ProcessOrphaning"]["OrphanWorkerProcess"]  = $appPool.Failure.OrphanWorkerProcess
            $appPoolDetails.$appPoolName["ProcessOrphaning"]["Executable"]           = $appPool.Failure.OrphanActionExe
            $appPoolDetails.$appPoolName["ProcessOrphaning"]["ExecutableParams"]     = $appPool.Failure.OrphanActionParams

            $appPoolDetails.$appPoolName["RapidFailProtection"] = New-Object System.Collections.Specialized.OrderedDictionary
            $appPoolDetails.$appPoolName["RapidFailProtection"]["ReponseType"]       = $appPool.Failure.LoadBalancerCapabilities
            $appPoolDetails.$appPoolName["RapidFailProtection"]["Enabled"]           = $appPool.Failure.RapidFailProtection
            $appPoolDetails.$appPoolName["RapidFailProtection"]["FailureInterval"]   = ($appPool.Failure.RapidFailProtectionInterval).ToString()
            $appPoolDetails.$appPoolName["RapidFailProtection"]["MaximumFailures"]   = $appPool.Failure.RapidFailProtectionMaxCrashes
            $appPoolDetails.$appPoolName["RapidFailProtection"]["Executable"]        = $appPool.Failure.AutoShutdownExe
            $appPoolDetails.$appPoolName["RapidFailProtection"]["ExecutableParams"]  = $appPool.Failure.AutoShutdownParams

            $appPoolDetails.$appPoolName["Recycling"] = New-Object System.Collections.Specialized.OrderedDictionary
            $appPoolDetails.$appPoolName["Recycling"]["DisallowOverlappedRecycle"]   = $appPool.Recycling.DisallowOverlappingRotation
            $appPoolDetails.$appPoolName["Recycling"]["DisableConfigRecycling"]      = $appPool.Recycling.DisallowRotationOnConfigChange
            $appPoolDetails.$appPoolName["Recycling"]["RecyclingEventLogging"]       = $appPool.Recycling.LogEventOnRecycle
            $appPoolDetails.$appPoolName["Recycling"]["PrivateMemoryLimit"]          = $appPool.Recycling.PeriodicRestart.PrivateMemory
            $appPoolDetails.$appPoolName["Recycling"]["RegularTimeInterval"]         = ($appPool.Recycling.PeriodicRestart.Time).ToString()
            $appPoolDetails.$appPoolName["Recycling"]["RequestLimit"]                = $appPool.Recycling.PeriodicRestart.Requests
            $appPoolDetails.$appPoolName["Recycling"]["SpecificTimes"]               = $appPool.Recycling.PeriodicRestart.Schedule
            $appPoolDetails.$appPoolName["Recycling"]["VirtualMemoryLimit"]          = $appPool.Recycling.PeriodicRestart.Memory
        }

        foreach ($site in $mgr.Sites) {

            $siteName = $site.Name

            $webSiteDetails[$siteName] = New-Object System.Collections.Specialized.OrderedDictionary
            $webSiteDetails[$siteName]["Id"]              = $site.Id
            $webSiteDetails[$siteName]["Name"]            = $site.Name
            $webSiteDetails[$siteName]["State"]           = $site.State
            $webSiteDetails[$siteName]["IsLocallyStored"] = $site.IsLocallyStored
            $webSiteDetails[$siteName]["ServerAutoStart"] = $site.ServerAutoStart
            $webSiteDetails[$siteName]["DefaultAppPool"]  = $site.ApplicationDefaults.ApplicationPoolName

            $applicationHeader = "Applications"
            $webSiteDetails[$siteName][$applicationHeader] = New-Object System.Collections.Specialized.OrderedDictionary

            foreach ($webApp in $site.Applications) {

                if ($webApp.Path -eq "/") {

                    $webAppName = $webApp.Path
                }
                else {

                    $webAppName = (($webApp.Path).Split("/") | Select-Object -Skip 1 -First 1)
                }

                $webSiteDetails[$siteName][$applicationHeader][$webAppName] = New-Object System.Collections.Specialized.OrderedDictionary
                $webSiteDetails[$siteName][$applicationHeader][$webAppName]["ApplicationPool"]  = $webApp.ApplicationPoolName
                $webSiteDetails[$siteName][$applicationHeader][$webAppName]["EnabledProtocols"] = $webApp.EnabledProtocols
                $webSiteDetails[$siteName][$applicationHeader][$webAppName]["IsLocallyStored"]  = $webApp.IsLocallyStored
                $webSiteDetails[$siteName][$applicationHeader][$webAppName]["PhysicalPath"]     = $webApp.VirtualDirectories[0].PhysicalPath
                $webSiteDetails[$siteName][$applicationHeader][$webAppName]["Path"]             = $webApp.Path
                $webSiteDetails[$siteName][$applicationHeader][$webAppName]["PreloadEnabled"]   = $webApp.Attributes["preloadEnabled"].Value
            }

            $bindingHeader = "Bindings"
            $webSiteDetails[$siteName][$bindingHeader] = New-Object System.Collections.Specialized.OrderedDictionary

            foreach ($binding in $site.Bindings) {

                $bindingInfo = $binding.BindingInformation

                $webSiteDetails[$siteName][$bindingHeader][$bindingInfo] = New-Object System.Collections.Specialized.OrderedDictionary
                $webSiteDetails[$siteName][$bindingHeader][$bindingInfo]["HostName"]             = $binding.Host
                $webSiteDetails[$siteName][$bindingHeader][$bindingInfo]["Protocol"]             = $binding.Protocol
                $webSiteDetails[$siteName][$bindingHeader][$bindingInfo]["Address"]              = $binding.Endpoint.Address.IPAddressToString
                $webSiteDetails[$siteName][$bindingHeader][$bindingInfo]["Port"]                 = $binding.Endpoint.Port
                $webSiteDetails[$siteName][$bindingHeader][$bindingInfo]["SslFlags"]             = $binding.SslFlags
                $webSiteDetails[$siteName][$bindingHeader][$bindingInfo]["CertificateStoreName"] = $binding.CertificateStoreName
                $webSiteDetails[$siteName][$bindingHeader][$bindingInfo]["CertificateHash"]      = `
                    if ($binding.CertificateHash) {
                        ([System.BitConverter]::ToString($binding.CertificateHash).Replace('-',''))
                    }
            }

            $logHeader = "Log"
            $webSiteDetails[$siteName][$logHeader] = New-Object System.Collections.Specialized.OrderedDictionary
            $webSiteDetails[$siteName][$logHeader]["Enabled"]   = $site.LogFile.Enabled
            $webSiteDetails[$siteName][$logHeader]["Period"]    = ($site.LogFile.Period).ToString()
            $webSiteDetails[$siteName][$logHeader]["Rollover"]  = $site.LogFile.LocalTimeRollover
            $webSiteDetails[$siteName][$logHeader]["Format"]    = $site.LogFile.LogFormat
            $webSiteDetails[$siteName][$logHeader]["Directory"] = $site.LogFile.Directory
            $webSiteDetails[$siteName][$logHeader]["Flags"]     = ($site.LogFile.LogExtFileFlags).ToString()

            $reqLogHeader = "FailedRequestLog"
            $webSiteDetails[$siteName][$reqLogHeader] = New-Object System.Collections.Specialized.OrderedDictionary
            $webSiteDetails[$siteName][$reqLogHeader]["Enabled"]     = $site.TraceFailedRequestsLogging.Enabled
            $webSiteDetails[$siteName][$reqLogHeader]["MaxLogFiles"] = $site.TraceFailedRequestsLogging.MaxLogFiles
            $webSiteDetails[$siteName][$reqLogHeader]["Directory"]   = $site.TraceFailedRequestsLogging.Directory
            $webSiteDetails[$siteName][$reqLogHeader]["MaxSizeKB"]   = $site.TraceFailedRequestsLogging.Attributes["maxLogfileSizeKb"].Value

            $limitsHeader = "Limits"
            $webSiteDetails[$siteName][$limitsHeader] = New-Object System.Collections.Specialized.OrderedDictionary
            $webSiteDetails[$siteName][$limitsHeader]["ConnectionTimeout"] = ($site.Limits.ConnectionTimeout).ToString()
            $webSiteDetails[$siteName][$limitsHeader]["MaxBandwidth"]      = $site.Limits.MaxBandwidth
            $webSiteDetails[$siteName][$limitsHeader]["MaxConnections"]    = $site.Limits.MaxConnections
            $webSiteDetails[$siteName][$limitsHeader]["MaxUrlSegments"]    = $site.Limits.MaxUrlSegments

        }
    }
    catch {

        $iisDictionary["Error"] = $_.Exception.ToString()
    }

    $iisDetails.Add("AppPools", $appPoolDetails)
    $iisDetails.Add("Sites", $webSiteDetails)

    $iisDictionary.Add("IIS", $iisDetails)

    Write-Verbose "$logLead : [$($providerStopWatch.Elapsed)] : Provider Complete"
    $providerStopWatch.Stop()

    return $iisDictionary
}