diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0d7ec4f..19fb21e7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- ScheduledTask
+  - Fixed issue with disabling scheduled tasks that have "Run whether user is
+    logged on or not" configured - Fixes [Issue #306](https://github.com/dsccommunity/ComputerManagementDsc/issues/306).
+
 ## [8.4.0] - 2020-08-03
 
 ### Changed
diff --git a/source/DSCResources/DSC_ScheduledTask/DSC_ScheduledTask.psm1 b/source/DSCResources/DSC_ScheduledTask/DSC_ScheduledTask.psm1
index 79b366ee..02cf7ac0 100644
--- a/source/DSCResources/DSC_ScheduledTask/DSC_ScheduledTask.psm1
+++ b/source/DSCResources/DSC_ScheduledTask/DSC_ScheduledTask.psm1
@@ -456,7 +456,15 @@ function Set-TargetResource
             -and -not $PSBoundParameters.ContainsKey('ActionExecutable'))
         {
             Write-Verbose -Message ($script:localizedData.DisablingExistingScheduledTask -f $TaskName, $TaskPath)
-            Disable-ScheduledTask -TaskName $TaskName -TaskPath $TaskPath
+
+            if ($PSVersionTable.PSVersion -gt [System.Version]'5.0.0.0')
+            {
+                Disable-ScheduledTask -TaskName $TaskName -TaskPath $TaskPath
+            }
+            else
+            {
+                Disable-ScheduledTaskEx -TaskName $TaskName -TaskPath $TaskPath
+            }
 
             return
         }
@@ -1635,7 +1643,7 @@ function ConvertTo-TimeSpanStringFromScheduledTaskString
     .PARAMETER TaskPath
         The path to the task to disable.
 #>
-function Disable-ScheduledTask
+function Disable-ScheduledTaskEx
 {
     [CmdletBinding()]
     param
diff --git a/tests/Unit/DSC_ScheduledTask.Tests.ps1 b/tests/Unit/DSC_ScheduledTask.Tests.ps1
index a1247c30..894c9203 100644
--- a/tests/Unit/DSC_ScheduledTask.Tests.ps1
+++ b/tests/Unit/DSC_ScheduledTask.Tests.ps1
@@ -93,6 +93,7 @@ try
 
         Describe 'DSC_ScheduledTask' {
             BeforeAll {
+                Mock -CommandName Disable-ScheduledTask
                 Mock -CommandName Register-ScheduledTask
                 Mock -CommandName Set-ScheduledTask
                 Mock -CommandName Unregister-ScheduledTask
@@ -222,7 +223,15 @@ try
 
                 It 'Should remove the scheduled task in the set method' {
                     Set-TargetResource @testParameters
-                    Assert-MockCalled Register-ScheduledTask -Exactly -Times 1
+
+                    if ($PSVersionTable.PSVersion -gt [System.Version]'5.0.0.0')
+                    {
+                        Assert-MockCalled Disable-ScheduledTask -Exactly -Times 1
+                    }
+                    else
+                    {
+                        Assert-MockCalled Register-ScheduledTask -Exactly -Times 1
+                    }
                 }
             }
 
@@ -1573,7 +1582,15 @@ try
 
                 It 'Should disable the scheduled task in the set method' {
                     Set-TargetResource @testParameters
-                    Assert-MockCalled Register-ScheduledTask -Exactly -Times 1
+
+                    if ($PSVersionTable.PSEdition -gt [System.Version]'5.0.0.0')
+                    {
+                        Assert-MockCalled Disable-ScheduledTask -Exactly -Times 1
+                    }
+                    else
+                    {
+                        Assert-MockCalled Register-ScheduledTask -Exactly -Times 1
+                    }
                 }
             }