diff --git a/source/DSCResources/DSC_SqlRS/DSC_SqlRS.psm1 b/source/DSCResources/DSC_SqlRS/DSC_SqlRS.psm1
index 48d8007a4..c421d0b4a 100644
--- a/source/DSCResources/DSC_SqlRS/DSC_SqlRS.psm1
+++ b/source/DSCResources/DSC_SqlRS/DSC_SqlRS.psm1
@@ -254,10 +254,12 @@ function Get-TargetResource
         Report Manager/Report Web App virtual directory name. Optional.
 
     .PARAMETER ReportServerReservedUrl
-        Report Server URL reservations. Optional.
+        Report Server URL reservations. Optional. If not specified,
+        'http://+:80' URL reservation will be used.
 
     .PARAMETER ReportsReservedUrl
-        Report Manager/Report Web App URL reservations.
+        Report Manager/Report Web App URL reservations. Optional.
+        If not specified, 'http://+:80' URL reservation will be used.
 
     .PARAMETER HttpsCertificateThumbprint
         The thumbprint of the certificate used to secure SSL communication.
@@ -384,11 +386,11 @@ function Set-TargetResource
 
         [Parameter()]
         [System.String[]]
-        $ReportServerReservedUrl,
+        $ReportServerReservedUrl = @('http://+:80'),
 
         [Parameter()]
         [System.String[]]
-        $ReportsReservedUrl,
+        $ReportsReservedUrl = @('http://+:80'),
 
         [Parameter()]
         [System.String]
@@ -848,103 +850,97 @@ function Set-TargetResource
         #endregion Virtual Directories
 
         #region Reserved URLs
-        if ( $PSBoundParameters.ContainsKey('EncryptionKeyBackupPath') )
-        {
-            $compareParameters = @{
-                ReferenceObject  = $currentConfig.ReportServerReservedUrl
-                DifferenceObject = $ReportServerReservedUrl
-            }
+        $compareParameters = @{
+            ReferenceObject  = $currentConfig.ReportServerReservedUrl
+            DifferenceObject = $ReportServerReservedUrl
+        }
 
-            if ( ($null -ne $ReportServerReservedUrl) -and ($null -ne (Compare-Object @compareParameters)) )
-            {
-                $restartReportingService = $true
+        if ( ($null -ne $ReportServerReservedUrl) -and ($null -ne (Compare-Object @compareParameters)) )
+        {
+            $restartReportingService = $true
 
-                $currentConfig.ReportServerReservedUrl | ForEach-Object -Process {
-                    $invokeRsCimMethodParameters = @{
-                        CimInstance = $reportingServicesData.Configuration
-                        MethodName  = 'RemoveURL'
-                        Arguments   = @{
-                            Application = 'ReportServerWebService'
-                            UrlString   = $_
-                            Lcid        = $language
-                        }
+            $currentConfig.ReportServerReservedUrl | ForEach-Object -Process {
+                $invokeRsCimMethodParameters = @{
+                    CimInstance = $reportingServicesData.Configuration
+                    MethodName  = 'RemoveURL'
+                    Arguments   = @{
+                        Application = 'ReportServerWebService'
+                        UrlString   = $_
+                        Lcid        = $language
                     }
-
-                    Invoke-RsCimMethod @invokeRsCimMethodParameters
                 }
 
-                $ReportServerReservedUrl | ForEach-Object -Process {
-                    Write-Verbose -Message "Adding report server URL reservation on $DatabaseServerName\$DatabaseInstanceName`: $_."
-                    $invokeRsCimMethodParameters = @{
-                        CimInstance = $reportingServicesData.Configuration
-                        MethodName  = 'ReserveUrl'
-                        Arguments   = @{
-                            Application = 'ReportServerWebService'
-                            UrlString   = $_
-                            Lcid        = $language
-                        }
-                    }
+                Invoke-RsCimMethod @invokeRsCimMethodParameters
+            }
 
-                    Invoke-RsCimMethod @invokeRsCimMethodParameters
+            $ReportServerReservedUrl | ForEach-Object -Process {
+                Write-Verbose -Message "Adding report server URL reservation on $DatabaseServerName\$DatabaseInstanceName`: $_."
+                $invokeRsCimMethodParameters = @{
+                    CimInstance = $reportingServicesData.Configuration
+                    MethodName  = 'ReserveUrl'
+                    Arguments   = @{
+                        Application = 'ReportServerWebService'
+                        UrlString   = $_
+                        Lcid        = $language
+                    }
                 }
 
-                # Get the current configuration
-                $currentConfig = Get-TargetResource @getTargetResourceParameters
-                Write-Verbose -Message ( $script:localizedData.ReportingServicesIsInitialized -f $DatabaseServerName, $DatabaseInstanceName, $currentConfig.IsInitialized ) -Verbose
+                Invoke-RsCimMethod @invokeRsCimMethodParameters
             }
+
+            # Get the current configuration
+            $currentConfig = Get-TargetResource @getTargetResourceParameters
+            Write-Verbose -Message ( $script:localizedData.ReportingServicesIsInitialized -f $DatabaseServerName, $DatabaseInstanceName, $currentConfig.IsInitialized ) -Verbose
         }
 
-        if ( $PSBoundParameters.ContainsKey('ReportsReservedUrl') )
-        {
-            $compareParameters = @{
-                ReferenceObject  = $currentConfig.ReportsReservedUrl
-                DifferenceObject = $ReportsReservedUrl
-            }
+        $compareParameters = @{
+            ReferenceObject  = $currentConfig.ReportsReservedUrl
+            DifferenceObject = $ReportsReservedUrl
+        }
 
-            if ( ($null -ne $ReportsReservedUrl) -and ($null -ne (Compare-Object @compareParameters)) )
-            {
-                $restartReportingService = $true
+        if ( ($null -ne $ReportsReservedUrl) -and ($null -ne (Compare-Object @compareParameters)) )
+        {
+            $restartReportingService = $true
 
-                $currentConfig.ReportsReservedUrl | ForEach-Object -Process {
-                    $invokeRsCimMethodParameters = @{
-                        CimInstance = $reportingServicesData.Configuration
-                        MethodName  = 'RemoveURL'
-                        Arguments   = @{
-                            Application = $reportingServicesData.ReportsApplicationName
-                            UrlString   = $_
-                            Lcid        = $language
-                        }
+            $currentConfig.ReportsReservedUrl | ForEach-Object -Process {
+                $invokeRsCimMethodParameters = @{
+                    CimInstance = $reportingServicesData.Configuration
+                    MethodName  = 'RemoveURL'
+                    Arguments   = @{
+                        Application = $reportingServicesData.ReportsApplicationName
+                        UrlString   = $_
+                        Lcid        = $language
                     }
-
-                    Invoke-RsCimMethod @invokeRsCimMethodParameters
                 }
 
-                $ReportsReservedUrl | ForEach-Object -Process {
-                    Write-Verbose -Message (
-                        $script:localizedData.AddReportsUrlReservation -f @(
-                            $DatabaseServerName
-                            $DatabaseInstanceName
-                            $_
-                        )
+                Invoke-RsCimMethod @invokeRsCimMethodParameters
+            }
+
+            $ReportsReservedUrl | ForEach-Object -Process {
+                Write-Verbose -Message (
+                    $script:localizedData.AddReportsUrlReservation -f @(
+                        $DatabaseServerName
+                        $DatabaseInstanceName
+                        $_
                     )
+                )
 
-                    $invokeRsCimMethodParameters = @{
-                        CimInstance = $reportingServicesData.Configuration
-                        MethodName  = 'ReserveUrl'
-                        Arguments   = @{
-                            Application = $reportingServicesData.ReportsApplicationName
-                            UrlString   = $_
-                            Lcid        = $language
-                        }
+                $invokeRsCimMethodParameters = @{
+                    CimInstance = $reportingServicesData.Configuration
+                    MethodName  = 'ReserveUrl'
+                    Arguments   = @{
+                        Application = $reportingServicesData.ReportsApplicationName
+                        UrlString   = $_
+                        Lcid        = $language
                     }
-
-                    Invoke-RsCimMethod @invokeRsCimMethodParameters
                 }
 
-                # Get the current configuration
-                $currentConfig = Get-TargetResource @getTargetResourceParameters
-                Write-Verbose -Message ( $script:localizedData.ReportingServicesIsInitialized -f $DatabaseServerName, $DatabaseInstanceName, $currentConfig.IsInitialized ) -Verbose
+                Invoke-RsCimMethod @invokeRsCimMethodParameters
             }
+
+            # Get the current configuration
+            $currentConfig = Get-TargetResource @getTargetResourceParameters
+            Write-Verbose -Message ( $script:localizedData.ReportingServicesIsInitialized -f $DatabaseServerName, $DatabaseInstanceName, $currentConfig.IsInitialized ) -Verbose
         }
         #endregion Reserved URLs
 
@@ -1254,10 +1250,12 @@ function Set-TargetResource
         Report Manager/Report Web App virtual directory name. Optional.
 
     .PARAMETER ReportServerReservedUrl
-        Report Server URL reservations. Optional.
+        Report Server URL reservations. Optional. If not specified,
+        'http://+:80' URL reservation will be used.
 
     .PARAMETER ReportsReservedUrl
         Report Manager/Report Web App URL reservations. Optional.
+        If not specified, 'http://+:80' URL reservation will be used.
 
     .PARAMETER HttpsCertificateThumbprint
         The thumbprint of the certificate used to secure SSL communication.
@@ -1348,11 +1346,11 @@ function Test-TargetResource
 
         [Parameter()]
         [System.String[]]
-        $ReportServerReservedUrl,
+        $ReportServerReservedUrl = @('http://+:80'),
 
         [Parameter()]
         [System.String[]]
-        $ReportsReservedUrl,
+        $ReportsReservedUrl = @('http://+:80'),
 
         [Parameter()]
         [System.String]
@@ -1528,30 +1526,27 @@ function Test-TargetResource
         }
     }
 
-    if ( $PSBoundParameters.ContainsKey('ReportsReservedUrl') )
+    if ( $null -eq $currentConfig.ReportsReservedUrl )
+    {
+        Write-Verbose -Message (
+            $script:localizedData.ReportsReservedUrlNotInDesiredState -f $DatabaseServerName, $DatabaseInstanceName, '', ( $ReportsReservedUrl -join ', ' )
+        ) -Verbose
+        $result = $false
+    }
+    else
     {
-        if ( $null -eq $currentConfig.ReportsReservedUrl )
+        $compareParameters = @{
+            ReferenceObject  = $currentConfig.ReportsReservedUrl
+            DifferenceObject = $ReportsReservedUrl
+        }
+
+        if ( $null -ne ( Compare-Object @compareParameters ) )
         {
             Write-Verbose -Message (
-                $script:localizedData.ReportsReservedUrlNotInDesiredState -f $DatabaseServerName, $DatabaseInstanceName, '', ( $ReportsReservedUrl -join ', ' )
+                $script:localizedData.ReportsReservedUrlNotInDesiredState -f $DatabaseServerName, $DatabaseInstanceName, ( $currentConfig.ReportsReservedUrl -join ', ' ), ( $ReportsReservedUrl -join ', ' )
             ) -Verbose
             $result = $false
         }
-        else
-        {
-            $compareParameters = @{
-                ReferenceObject  = $currentConfig.ReportsReservedUrl
-                DifferenceObject = $ReportsReservedUrl
-            }
-
-            if ( $null -ne ( Compare-Object @compareParameters ) )
-            {
-                Write-Verbose -Message (
-                    $script:localizedData.ReportsReservedUrlNotInDesiredState -f $DatabaseServerName, $DatabaseInstanceName, ( $currentConfig.ReportsReservedUrl -join ', ' ), ( $ReportsReservedUrl -join ', ' )
-                ) -Verbose
-                $result = $false
-            }
-        }
     }
 
     if ($PSBoundParameters.ContainsKey('UseSsl') -and $UseSsl -ne $currentConfig.UseSsl)
diff --git a/source/DSCResources/DSC_SqlRS/DSC_SqlRS.schema.mof b/source/DSCResources/DSC_SqlRS/DSC_SqlRS.schema.mof
index 265c7ad53..15b2518a0 100644
--- a/source/DSCResources/DSC_SqlRS/DSC_SqlRS.schema.mof
+++ b/source/DSCResources/DSC_SqlRS/DSC_SqlRS.schema.mof
@@ -9,8 +9,8 @@ class DSC_SqlRS : OMI_BaseResource
     [Write, EmbeddedInstance("MSFT_Credential"), Description("The service account that should be used when running the _Windows_ service.")] String ServiceAccount;
     [Write, Description("_Report Server Web Service_ virtual directory. Optional.")] String ReportServerVirtualDirectory;
     [Write, Description("_Report Manager_ or _Report Web App_ virtual directory name. Optional.")] String ReportsVirtualDirectory;
-    [Write, Description("_Report Server_ URL reservations. Optional.")] String ReportServerReservedUrl[];
-    [Write, Description("_Report Manager_ or _Report Web App_ URL reservations. Optional.")] String ReportsReservedUrl[];
+    [Write, Description("_Report Server_ URL reservations. Optional. If not specified, `'http://+:80'` URL reservation will be used.")] String ReportServerReservedUrl[];
+    [Write, Description("_Report Manager_ or _Report Web App_ URL reservations. Optional. If not specified, `'http://+:80'` URL reservation will be used.")] String ReportsReservedUrl[];
     [Write, Description("The thumbprint of the certificate used to secure SSL communication.")] String HttpsCertificateThumbprint;
     [Write, Description("The IP address to bind the certificate specified in the _CertificateThumbprint_ parameter to. Default is `0.0.0.0` which binds to all IP addresses.")] String HttpsIPAddress;
     [Write, Description("The port used for SSL communication. Default is `443`.")] SInt32 HttpsPort;
diff --git a/tests/Unit/DSC_SqlRS.Tests.ps1 b/tests/Unit/DSC_SqlRS.Tests.ps1
index 2c4d45cc0..19fbf6248 100644
--- a/tests/Unit/DSC_SqlRS.Tests.ps1
+++ b/tests/Unit/DSC_SqlRS.Tests.ps1
@@ -881,15 +881,15 @@ Describe 'SqlRS\Set-TargetResource' -Tag 'Set' {
 
                     Should -Invoke -CommandName Invoke-RsCimMethod -ParameterFilter {
                         $MethodName -eq 'ReserveUrl' -and $Arguments.Application -eq $mockReportServerApplicationName
-                    } -Exactly -Times 0 -Scope It
+                    } -Exactly -Times 1 -Scope It
 
                     Should -Invoke -CommandName Invoke-RsCimMethod -ParameterFilter {
                         $MethodName -eq 'ReserveUrl' -and $Arguments.Application -eq $mockReportsApplicationName
-                    } -Exactly -Times 0 -Scope It
+                    } -Exactly -Times 1 -Scope It
 
                     Should -Invoke -CommandName Get-CimInstance -ParameterFilter {
                         $ClassName -eq 'Win32_OperatingSystem'
-                    } -Exactly -Times 8 -Scope It
+                    } -Exactly -Times 10 -Scope It
 
                     Should -Invoke -CommandName Invoke-SqlCmd -Exactly -Times 2 -Scope It
                     Should -Invoke -CommandName Restart-ReportingServicesService -Exactly -Times 2 -Scope It
@@ -1211,7 +1211,7 @@ Describe 'SqlRS\Set-TargetResource' -Tag 'Set' {
 
                     Should -Invoke -CommandName Invoke-RsCimMethod -ParameterFilter {
                         $MethodName -eq 'RemoveURL' -and $Arguments.Application -eq $mockReportServerApplicationName
-                    } -Exactly -Times 1 -Scope It
+                    } -Exactly -Times 2 -Scope It
 
                     Should -Invoke -CommandName Invoke-RsCimMethod -ParameterFilter {
                         $MethodName -eq 'RemoveURL' -and $Arguments.Application -eq $mockReportsApplicationName
@@ -1252,7 +1252,7 @@ Describe 'SqlRS\Set-TargetResource' -Tag 'Set' {
 
                     Should -Invoke -CommandName Invoke-RsCimMethod -ParameterFilter {
                         $MethodName -eq 'ReserveUrl' -and $Arguments.Application -eq $mockReportServerApplicationName
-                    } -Exactly -Times 0 -Scope It
+                    } -Exactly -Times 1 -Scope It
 
                     Should -Invoke -CommandName Invoke-RsCimMethod -ParameterFilter {
                         $MethodName -eq 'ReserveUrl' -and $Arguments.Application -eq $mockReportsApplicationName
@@ -1349,13 +1349,13 @@ Describe 'SqlRS\Set-TargetResource' -Tag 'Set' {
 
                     Should -Invoke -CommandName Invoke-RsCimMethod -ParameterFilter {
                         $MethodName -eq 'ReserveUrl' -and $Arguments.Application -eq $mockReportServerApplicationName
-                    } -Exactly -Times 0 -Scope It
+                    } -Exactly -Times 1 -Scope It
 
                     Should -Invoke -CommandName Invoke-RsCimMethod -ParameterFilter {
                         $MethodName -eq 'ReserveUrl' -and $Arguments.Application -eq $mockReportsApplicationNameLegacy
-                    } -Exactly -Times 0 -Scope It
+                    } -Exactly -Times 1 -Scope It
 
-                    Should -Invoke -CommandName Get-CimInstance -Exactly -Times 8 -Scope It
+                    Should -Invoke -CommandName Get-CimInstance -Exactly -Times 10 -Scope It
                     Should -Invoke -CommandName Invoke-SqlCmd -Exactly -Times 2 -Scope It
                     Should -Invoke -CommandName Restart-ReportingServicesService -Exactly -Times 2 -Scope It
 
@@ -1433,13 +1433,13 @@ Describe 'SqlRS\Set-TargetResource' -Tag 'Set' {
 
                 Should -Invoke -CommandName Invoke-RsCimMethod -ParameterFilter {
                     $MethodName -eq 'ReserveUrl' -and $Arguments.Application -eq $mockReportServerApplicationName
-                } -Exactly -Times 0 -Scope It
+                } -Exactly -Times 1 -Scope It
 
                 Should -Invoke -CommandName Invoke-RsCimMethod -ParameterFilter {
                     $MethodName -eq 'ReserveUrl' -and $Arguments.Application -eq $mockReportsApplicationName
-                } -Exactly -Times 0 -Scope It
+                } -Exactly -Times 1 -Scope It
 
-                Should -Invoke -CommandName Get-CimInstance -Exactly -Times 8 -Scope It
+                Should -Invoke -CommandName Get-CimInstance -Exactly -Times 10 -Scope It
                 Should -Invoke -CommandName Invoke-Sqlcmd -Exactly -Times 2 -Scope It
                 Should -Invoke -CommandName Restart-ReportingServicesService -Exactly -Times 2 -Scope It
             }
@@ -1503,7 +1503,7 @@ Describe 'SqlRS\Set-TargetResource' -Tag 'Set' {
 
                 Should -Invoke -CommandName Invoke-RsCimMethod -ParameterFilter {
                     $MethodName -eq 'RemoveURL' -and $Arguments.Application -eq $mockReportServerApplicationName
-                } -Exactly -Times 1 -Scope It
+                } -Exactly -Times 2 -Scope It
 
                 Should -Invoke -CommandName Invoke-RsCimMethod -ParameterFilter {
                     $MethodName -eq 'RemoveURL' -and $Arguments.Application -eq $mockReportsApplicationName
@@ -1535,7 +1535,7 @@ Describe 'SqlRS\Set-TargetResource' -Tag 'Set' {
 
                 Should -Invoke -CommandName Invoke-RsCimMethod -ParameterFilter {
                     $MethodName -eq 'ReserveUrl' -and $Arguments.Application -eq $mockReportServerApplicationName
-                } -Exactly -Times 0 -Scope It
+                } -Exactly -Times 1 -Scope It
 
                 Should -Invoke -CommandName Invoke-RsCimMethod -ParameterFilter {
                     $MethodName -eq 'ReserveUrl' -and $Arguments.Application -eq $mockReportsApplicationName