Reads the most recent and next scheduled evaluation times on the local machine for ConfigMgr Compliance Baselines

Get-CMBaselineEvaluations.ps1

##############################################################
##                                                          ##
## Reads the most recent and next scheduled evaluation time ##
## for deployed Compliance Baselines from the Scheduler.log ##
##                                                          ##
##############################################################

#requires -RunAsAdministrator

# Get Baselines from WMI
# Excludes co-management policies
Try
{  
    $Instances = Get-CimInstance -Namespace ROOT\ccm\dcm -ClassName SMS_DesiredConfiguration -Filter "PolicyType!=1" -OperationTimeoutSec 5 -ErrorAction Stop | Select DisplayName,IsMachineTarget,Name
}
Catch
{
    Throw "Couldn't get baseline info from WMI: $_"
}
If ($Instances.Count -eq 0)
{
    Throw "No deployed baselines found!"   
}

# Datatable to hold the baselines for the WPF window
$DataTable = New-Object System.Data.DataTable
[void]$DataTable.Columns.Add("DisplayName")
[void]$DataTable.Columns.Add("IsMachineTarget")
foreach ($Instance in ($Instances | Sort DisplayName))
{
    [void]$DataTable.Rows.Add($Instance.DisplayName,$Instance.IsMachineTarget)
}

# WPF Window for baseline selection
Add-Type -AssemblyName PresentationFramework,PresentationCore,WindowsBase
$Window = New-Object System.Windows.Window
$Window.WindowStartupLocation = [System.Windows.WindowStartupLocation]::CenterScreen
$Window.SizeToContent = [System.Windows.SizeToContent]::WidthAndHeight
$window.ResizeMode = [System.Windows.ResizeMode]::NoResize
$Window.Title = "DOUBLE-CLICK A BASELINE TO SELECT"
$DataGrid = New-Object System.Windows.Controls.DataGrid
$DataGrid.ItemsSource = $DataTable.DefaultView
$DataGrid.CanUserAddRows = $False
$DataGrid.IsReadOnly = $true
$DataGrid.SelectionMode = [System.Windows.Controls.DataGridSelectionMode]::Single
$DataGrid.Height = "NaN"
$DataGrid.MaxHeight = "250"
$DataGrid.Width = "NaN"
$DataGrid.AlternatingRowBackground = "#e6ffcc"
$DataGrid.Add_MouseDoubleClick({
    $script:SelectedRow = $This.SelectedValue
    $Window.Close()
})
$Window.AddChild($DataGrid)
[void]$Window.ShowDialog()

If (!$SelectedRow)
{
    Throw "No baseline was selected!"
}

# If the baseline is user-targetted
If ($SelectedRow.row.IsMachineTarget -eq $false)
{
    # Get Logged-on user SID
    $LogonUIRegPath = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI"
    #Could also use this:
    #Get-ItemProperty -Path HKLM:\SOFTWARE\Microsoft\SMS\CurrentUser -Name UserSID -ErrorAction Stop
    $Property = "LastLoggedOnUserSID"
    $LastLoggedOnUserSID = Get-ItemProperty -Path $LogonUIRegPath -Name $Property | Select -ExpandProperty $Property
    $LastLoggedOnUserSIDUnderscore = $LastLoggedOnUserSID.Replace('-','_')
    $Namespace = "ROOT\ccm\Policy\$LastLoggedOnUserSIDUnderscore\ActualConfig"
}
Else
{
    $Namespace = "ROOT\ccm\Policy\Machine\ActualConfig"
}

# Get assignment info
$BaselineName = $SelectedRow.Row.DisplayName
$Pattern = [Regex]::Escape($BaselineName)
$CIAssignment = Get-CimInstance -Namespace $Namespace -ClassName CCM_DCMCIAssignment | where {$_.AssignmentName -match $Pattern}
$AssignmentIDs = $CIAssignment | Select AssignmentID,AssignmentName
Write-host "Baseline: $BaselineName" -ForegroundColor Magenta

foreach ($AssignmentID in $AssignmentIDs)
{
    # Read the scheduler log
    $Log = "$env:SystemRoot\CCM\Logs\Scheduler.log"
    If ($SelectedRow.row.IsMachineTarget -eq $false)
    {
        $LogEntries = Select-String -Path $Log -SimpleMatch "$LastLoggedOnUserSID/$($AssignmentID.AssignmentID)"
    }
    Else
    {
        $LogEntries = Select-String -Path $Log -SimpleMatch "Machine/$($AssignmentID.AssignmentID)"
    }

    If ($LogEntries)
    {
        # Get the previous evaluations date/time
        $Evaluations = New-Object System.Collections.ArrayList
        $EvaluationEntries = $LogEntries | where {$_ -match "SMSTrigger"}
        Foreach ($Entry in $EvaluationEntries)
        {
            $Time = $Entry.Line.Split('=')[1]
            $Date = $Entry.Line.Split('=')[2]
            $a = $Time.Split()[0].trimend().replace('"','')
            $b = $Date.Split()[0].trimend().replace('"','').replace('-','/')
            $Time = (Get-Date $a).ToLongTimeString()
            $Date = [DateTime]"$b $Time"
            $LocalDate = Get-Date $date -Format (Get-Culture).DateTimeFormat.RFC1123Pattern
            [void]$Evaluations.Add($LocalDate)
        }

        # Get the next scheduled evaluation date/time
        $LastEvaluation = $EvaluationEntries | Select -Last 1
        $date = $LastEvaluation.Line.Split()[8]
        $time = $LastEvaluation.Line.Split()[9]
        $ampm = $LastEvaluation.Line.Split()[10]
        $NextEvaluation = [DateTime]"$date $time $ampm"
        $NextEvaluationLocal = Get-Date $NextEvaluation -Format (Get-Culture).DateTimeFormat.RFC1123Pattern

        # Return the results
        Write-Host "Assignment: $($AssignmentID.AssignmentName)" -ForegroundColor Green
        Write-host "Last Evaluations:"
        foreach ($Evaluation in $Evaluations)
        {
            Write-host "  $Evaluation" -ForegroundColor Yellow
        }
        Write-host "Next Scheduled Evaluation:"
        Write-Host "  $NextEvaluationLocal" -ForegroundColor Yellow
    }
    Else
    {
        Write-Host "No log entries found!" -ForegroundColor Red
    }
}