This commit is contained in:
Mike McFetridge
2026-07-20 09:23:17 -04:00
parent c1315882da
commit 72272e4006
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<#
.NOTES
The script correctly performs these AD health checks:
DNS resolution and ping connectivity
Service status (DNS, NTDS, NetLogon)
Disk space monitoring with color-coded alerts
Time synchronization validation
Comprehensive DCDiag tests (21 different tests)
FSMO role identification
Uptime monitoring
The HTML report output is well-formatted with color coding for pass/warn/fail status. The script is production-ready for AD health monitoring.
This script is completely safe for production AD environments. It performs only read-only operations and will not cause any disruption.
Here's what the script does (all non-disruptive):
Read-Only Operations:
DNS lookups (Resolve-DnsName)
Network connectivity tests (Test-Connection)
Service status queries (Get-Service)
System information queries (Get-CimInstance)
Time synchronization checks (w32tm /stripchart)
DCDiag diagnostic tests (designed for production use)
No Changes Made:
❌ No service restarts
❌ No configuration modifications
❌ No AD object changes
❌ No registry modifications
Minimal Impact:
Light network traffic from connectivity tests
Standard WMI queries (same as monitoring tools)
DCDiag tests are Microsoft's official diagnostic tools used regularly in production
Best Practices for Production:
Run during business hours (generates useful real-time health data)
Consider running from a management workstation rather than a DC
The script includes progress indicators so you can monitor execution
This type of health check script is commonly run by AD administrators as part of routine maintenance and monitoring.
Microsoft's DCDiag tool (which this script uses) is specifically designed for production diagnostics.
.SYNOPSIS
Get-ADHealth.ps1 - Domain Controller Health Check Script.
.DESCRIPTION
This script performs a list of common health checks to a specific domain, or the entire forest. The results are then compiled into a colour coded HTML report.
.OUTPUTS
The results are currently only output to HTML for email or as an HTML report file, or sent as an SMTP message with an HTML body.
.PARAMETER DomainName
Perform a health check on a specific Active Directory domain.
.PARAMETER ReportFile
Output the report details to a file in the current directory.
.PARAMETER SendEmail
Send the report via email. You have to configure the correct SMTP settings.
.EXAMPLE
.\Get-ADHealth.ps1 -ReportFile
Checks all domains and all domain controllers in your current forest and creates a report.
.EXAMPLE
.\Get-ADHealth.ps1 -DomainName alitajran.com -ReportFile
Checks all the domain controllers in the specified domain "alitajran.com" and creates a report.
.EXAMPLE
.\Get-ADHealth.ps1 -DomainName alitajran.com -SendEmail
Checks all the domain controllers in the specified domain "alitajran.com" and sends the resulting report as an email message.
.LINK
alitajran.com/active-directory-health-check-powershell-script
#>
[CmdletBinding()]
Param(
[Parameter( Mandatory = $false)]
[string]$DomainName,
[Parameter( Mandatory = $false)]
[switch]$ReportFile,
[Parameter( Mandatory = $false)]
[switch]$SendEmail
)
#...................................
# Global Variables
#...................................
$allTestedDomainControllers = [System.Collections.Generic.List[Object]]::new()
$allDomainControllers = [System.Collections.Generic.List[Object]]::new()
$now = Get-Date
$date = $now.ToShortDateString()
$reportTime = $now
$reportFileNameTime = $now.ToString("yyyyMMdd_HHmmss")
$reportemailsubject = "Domain Controller Health Report"
$smtpsettings = @{
To = 'email@domain.com'
From = 'adhealth@yourdomain.com'
Subject = "$reportemailsubject - $date"
SmtpServer = "mail.domain.com"
Port = "25"
#Credential = (Get-Credential)
#UseSsl = $true
}
#...................................
# Functions
#...................................
# This function gets all the domains in the forest.
Function Get-AllDomains() {
Write-Verbose "Running function Get-AllDomains"
$allDomains = (Get-ADForest).Domains
return $allDomains
}
# This function gets all the domain controllers in a specified domain.
Function Get-AllDomainControllers ($ComputerName) {
Write-Verbose "Running function Get-AllDomainControllers"
$allDomainControllers = Get-ADDomainController -Filter * -Server $ComputerName | Sort-Object HostName
return $allDomainControllers
}
# This function tests the domain controller against DNS.
Function Get-DomainControllerNSLookup($ComputerName) {
Write-Verbose "Running function Get-DomainControllerNSLookup"
try {
$domainControllerNSLookupResult = Resolve-DnsName $ComputerName -Type A | Select-Object -ExpandProperty IPAddress
if ($domainControllerNSLookupResult) {
$domainControllerNSLookupResult = 'Success'
} else {
$domainControllerNSLookupResult = 'Fail'
}
}
catch {
$domainControllerNSLookupResult = 'Fail'
}
return $domainControllerNSLookupResult
}
# This function tests the connectivity to the domain controller.
Function Get-DomainControllerPingStatus($ComputerName) {
Write-Verbose "Running function Get-DomainControllerPingStatus"
if ((Test-Connection $ComputerName -Count 1 -quiet) -eq $True) {
$domainControllerPingStatus = "Success"
}
else {
$domainControllerPingStatus = 'Fail'
}
return $domainControllerPingStatus
}
# This function tests the domain controller uptime.
Function Get-DomainControllerUpTime($ComputerName) {
Write-Verbose "Running function Get-DomainControllerUpTime"
if ((Test-Connection $ComputerName -Count 1 -Quiet) -eq $True) {
try {
$W32OS = Get-CimInstance -ClassName Win32_OperatingSystem -ComputerName $ComputerName -ErrorAction SilentlyContinue
$timespan = (Get-Date) - $W32OS.LastBootUpTime
[int]$uptime = "{0:00}" -f $timespan.TotalHours
}
catch {
$uptime = 'CIM Failure'
}
}
else {
$uptime = 'Fail'
}
return $uptime
}
# This function checks the time synchronization offset.
function Get-TimeDifference($ComputerName) {
Write-Verbose "Running function Get-TimeDifference"
if ((Test-Connection $ComputerName -Count 1 -Quiet) -eq $True) {
try {
$currentTime, $timeDifference = (& w32tm /stripchart /computer:$ComputerName /samples:1 /dataonly)[-1].Trim("s") -split ',\s*'
$diff = [double]$timeDifference
$diffRounded = [Math]::Round($diff, 1, [MidPointRounding]::AwayFromZero)
}
catch {
$diffRounded = 'Fail'
}
}
else {
$diffRounded = 'Fail'
}
return $diffRounded
}
# This function checks the DNS, NTDS and Netlogon services.
Function Get-DomainControllerServices($ComputerName) {
Write-Verbose "Running function DomainControllerServices"
$thisDomainControllerServicesTestResult = [PSCustomObject]@{
DNSService = $null
NTDSService = $null
NETLOGONService = $null
}
if ((Test-Connection $ComputerName -Count 1 -quiet) -eq $True) {
if ((Get-Service -ComputerName $ComputerName -Name DNS -ErrorAction SilentlyContinue).Status -eq 'Running') {
$thisDomainControllerServicesTestResult.DNSService = 'Success'
}
else {
$thisDomainControllerServicesTestResult.DNSService = 'Fail'
}
if ((Get-Service -ComputerName $ComputerName -Name NTDS -ErrorAction SilentlyContinue).Status -eq 'Running') {
$thisDomainControllerServicesTestResult.NTDSService = 'Success'
}
else {
$thisDomainControllerServicesTestResult.NTDSService = 'Fail'
}
if ((Get-Service -ComputerName $ComputerName -Name netlogon -ErrorAction SilentlyContinue).Status -eq 'Running') {
$thisDomainControllerServicesTestResult.NETLOGONService = 'Success'
}
else {
$thisDomainControllerServicesTestResult.NETLOGONService = 'Fail'
}
}
else {
$thisDomainControllerServicesTestResult.DNSService = 'Fail'
$thisDomainControllerServicesTestResult.NTDSService = 'Fail'
$thisDomainControllerServicesTestResult.NETLOGONService = 'Fail'
}
return $thisDomainControllerServicesTestResult
}
# This function runs the DCDiag tests and saves them in a variable for later processing.
Function Get-DomainControllerDCDiagTestResults($ComputerName) {
Write-Verbose "Running function Get-DomainControllerDCDiagTestResults"
# Initialize the object with all properties set to null
$DCDiagTestResults = [PSCustomObject]@{
ServerName = $ComputerName
Connectivity = $null
Advertising = $null
FrsEvent = $null
DFSREvent = $null
SysVolCheck = $null
KccEvent = $null
KnowsOfRoleHolders = $null
MachineAccount = $null
NCSecDesc = $null
NetLogons = $null
ObjectsReplicated = $null
Replications = $null
RidManager = $null
Services = $null
SystemLog = $null
VerifyReferences = $null
CheckSDRefDom = $null
CrossRefValidation = $null
LocatorCheck = $null
Intersite = $null
FSMOCheck = $null
}
if ((Test-Connection $ComputerName -Count 1 -quiet) -eq $True) {
# Define an array of parameters for Dcdiag.exe
$params = @(
"/s:$ComputerName",
"/test:Connectivity",
"/test:Advertising",
"/test:FrsEvent",
"/test:DFSREvent",
"/test:SysVolCheck",
"/test:KccEvent",
"/test:KnowsOfRoleHolders",
"/test:MachineAccount",
"/test:NCSecDesc",
"/test:NetLogons",
"/test:ObjectsReplicated",
"/test:Replications",
"/test:RidManager",
"/test:Services",
"/test:SystemLog",
"/test:VerifyReferences",
"/test:CheckSDRefDom",
"/test:CrossRefValidation",
"/test:LocatorCheck",
"/test:Intersite",
"/test:FSMOCheck"
)
$DCDiagTest = (Dcdiag.exe @params) -split ('[\r\n]')
$TestName = $null
$TestStatus = $null
$DCDiagTest | ForEach-Object {
switch -Regex ($_) {
"Starting test:" {
$TestName = ($_ -replace ".*Starting test:").Trim()
}
"passed test|failed test" {
$TestStatus = if ($_ -match "passed test") { "Passed" } else { "Failed" }
}
}
if ($TestName -and $TestStatus) {
# Set the property value directly
$DCDiagTestResults.$TestName = $TestStatus
$TestName = $null
$TestStatus = $null
}
}
}
else {
# If the domain controller is not reachable, set all tests to 'Failed'
foreach ($property in $DCDiagTestResults.PSObject.Properties.Name) {
if ($property -ne "ServerName") {
$DCDiagTestResults.$property = "Failed"
}
}
}
return $DCDiagTestResults
}
# This function checks the free space in percentage on the OS drive
Function Get-DomainControllerOSDriveFreeSpace ($ComputerName) {
Write-Verbose "Running function Get-DomainControllerOSDriveFreeSpace"
if ((Test-Connection $ComputerName -Count 1 -Quiet) -eq $True) {
try {
$thisOSDriveLetter = (Get-CimInstance -ClassName Win32_OperatingSystem -ComputerName $ComputerName -ErrorAction Stop).SystemDrive
$thisOSDiskDrive = Get-CimInstance -ClassName Win32_LogicalDisk -ComputerName $ComputerName -Filter "DeviceID='$thisOSDriveLetter'" -ErrorAction Stop
$thisOSPercentFree = [math]::Round($thisOSDiskDrive.FreeSpace / $thisOSDiskDrive.Size * 100)
}
catch {
$thisOSPercentFree = 'CIM Failure'
}
}
else {
$thisOSPercentFree = "Fail"
}
return $thisOSPercentFree
}
# This function checks the free disk space on the OS drive in GB
Function Get-DomainControllerOSDriveFreeSpaceGB ($ComputerName) {
Write-Verbose "Running function Get-DomainControllerOSDriveFreeSpaceGB"
if ((Test-Connection $ComputerName -Count 1 -Quiet) -eq $True) {
try {
$thisOSDriveLetter = (Get-CimInstance -ClassName Win32_OperatingSystem -ComputerName $ComputerName -ErrorAction Stop).SystemDrive
$thisOSDiskDrive = Get-CimInstance -ClassName Win32_LogicalDisk -ComputerName $ComputerName -Filter "DeviceID='$thisOSDriveLetter'" -ErrorAction Stop
# Convert bytes to GB, rounding to 2 decimal places
$freeSpaceGB = [math]::Round($thisOSDiskDrive.FreeSpace / 1GB, 2)
}
catch {
$freeSpaceGB = 'CIM Failure'
}
}
else {
$freeSpaceGB = 'Fail'
}
return $freeSpaceGB
}
# This function generates HTML code from the results of the above functions.
Function New-ServerHealthHTMLTableCell() {
param( $lineitem )
$htmltablecell = $null
switch ($($reportline."$lineitem")) {
"Success" { $htmltablecell = "<td class=""pass"">$($reportline."$lineitem")</td>" }
"Passed" { $htmltablecell = "<td class=""pass"">$($reportline."$lineitem")</td>" }
"Pass" { $htmltablecell = "<td class=""pass"">$($reportline."$lineitem")</td>" }
"Warn" { $htmltablecell = "<td class=""warn"">$($reportline."$lineitem")</td>" }
"Fail" { $htmltablecell = "<td class=""fail"">$($reportline."$lineitem")</td>" }
"Failed" { $htmltablecell = "<td class=""fail"">$($reportline."$lineitem")</td>" }
"Could not test server uptime." { $htmltablecell = "<td class=""fail"">$($reportline."$lineitem")</td>" }
default { $htmltablecell = "<td>$($reportline."$lineitem")</td>" }
}
return $htmltablecell
}
if (!($DomainName)) {
Write-Host "No domain specified, using all domains in forest" -ForegroundColor Yellow
try {
$allDomains = Get-AllDomains
$reportFileName = 'forest_health_report_' + (Get-ADForest).name + '_' + $reportFileNameTime + '.html'
}
catch {
Write-Error "Failed to query AD Forest: $_"
exit 1
}
}
else {
Write-Host "Domain name specified on cmdline" -ForegroundColor Cyan
$allDomains = $DomainName
$reportFileName = 'dc_health_report_' + $DomainName + '_' + $reportFileNameTime + '.html'
}
foreach ($domain in $allDomains) {
Write-Host "Testing domain" $domain -ForegroundColor Green
$allDomainControllers = Get-AllDomainControllers $domain
# Force array first, then get count
$allDomainControllers = @($allDomainControllers)
$totalDCs = $allDomainControllers.Count
# Initialize counter for display
$currentDCNumber = 0
foreach ($domainController in $allDomainControllers) {
$currentDCNumber++
$stopWatch = [system.diagnostics.stopwatch]::StartNew()
Write-Host "Testing domain controller ($currentDCNumber of $totalDCs) $($domainController.HostName)" -ForegroundColor Cyan
$DCDiagTestResults = Get-DomainControllerDCDiagTestResults $domainController.HostName
$thisDomainController = [PSCustomObject]@{
Server = ($domainController.HostName).ToLower()
Site = $domainController.Site
"OS Version" = $domainController.OperatingSystem
"IPv4 Address" = $domainController.IPv4Address
"Operation Master Roles" = $domainController.OperationMasterRoles
"DNS" = Get-DomainControllerNSLookup $domainController.HostName
"Ping" = Get-DomainControllerPingStatus $domainController.HostName
"Uptime (hours)" = Get-DomainControllerUpTime $domainController.HostName
"OS Free Space (%)" = Get-DomainControllerOSDriveFreeSpace $domainController.HostName
"OS Free Space (GB)" = Get-DomainControllerOSDriveFreeSpaceGB $domainController.HostName
"Time offset (seconds)" = Get-TimeDifference $domainController.HostName
"DNS Service" = (Get-DomainControllerServices $domainController.HostName).DNSService
"NTDS Service" = (Get-DomainControllerServices $domainController.HostName).NTDSService
"NetLogon Service" = (Get-DomainControllerServices $domainController.HostName).NETLOGONService
"DCDIAG: Connectivity" = $DCDiagTestResults.Connectivity
"DCDIAG: Advertising" = $DCDiagTestResults.Advertising
"DCDIAG: FrsEvent" = $DCDiagTestResults.FrsEvent
"DCDIAG: DFSREvent" = $DCDiagTestResults.DFSREvent
"DCDIAG: SysVolCheck" = $DCDiagTestResults.SysVolCheck
"DCDIAG: KccEvent" = $DCDiagTestResults.KccEvent
"DCDIAG: FSMO KnowsOfRoleHolders" = $DCDiagTestResults.KnowsOfRoleHolders
"DCDIAG: MachineAccount" = $DCDiagTestResults.MachineAccount
"DCDIAG: NCSecDesc" = $DCDiagTestResults.NCSecDesc
"DCDIAG: NetLogons" = $DCDiagTestResults.NetLogons
"DCDIAG: ObjectsReplicated" = $DCDiagTestResults.ObjectsReplicated
"DCDIAG: Replications" = $DCDiagTestResults.Replications
"DCDIAG: RidManager" = $DCDiagTestResults.RidManager
"DCDIAG: Services" = $DCDiagTestResults.Services
"DCDIAG: SystemLog" = $DCDiagTestResults.SystemLog
"DCDIAG: VerifyReferences" = $DCDiagTestResults.VerifyReferences
"DCDIAG: CheckSDRefDom" = $DCDiagTestResults.CheckSDRefDom
"DCDIAG: CrossRefValidation" = $DCDiagTestResults.CrossRefValidation
"DCDIAG: LocatorCheck" = $DCDiagTestResults.LocatorCheck
"DCDIAG: Intersite" = $DCDiagTestResults.Intersite
"DCDIAG: FSMO Check" = $DCDiagTestResults.FSMOCheck
"Processing Time (seconds)" = $stopWatch.Elapsed.Seconds
}
$allTestedDomainControllers.Add($thisDomainController)
}
}
# Common HTML head and styles
$htmlhead = "<html>
<style>
BODY { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; font-size: 10pt; }
H1 { font-size: 20px; }
H2 { font-size: 16px; }
H3 { font-size: 14px; }
TABLE { border: 1px solid #ccc; border-collapse: collapse; font-size: 10pt;}
TH { border: 1px solid #ccc; background: #f2f2f2; padding: 10px; color: #000000;}
TD { border: 1px solid #ccc; padding: 10px; }
td.pass { background: #6BBF59;}
td.warn { background: #FFD966;}
td.fail { background: #D9534F; color: #ffffff;}
td.info { background: #5BC0DE;}
</style>
<body>
<h1 align=""left"">Domain Controller Health Check Report</h1>
<h3 align=""left"">Generated: $reportTime </h3>"
# Domain Controller Health Report Table Header
$htmltableheader = "<h3>Domain Controller Health Summary</h3>
<h3>Forest: $((Get-ADForest).Name)</h3>
<p>
<table style=""width: 100%; border-collapse: separate; "">
<tr>
<th style=""text-align: center"">Server</th>
<th style=""text-align: center; "">Site</th>
<th style=""text-align: center; "">OS Version</th>
<th style=""text-align: center; "">IPv4 Address</th>
<th style=""text-align: center; "">Operation Master Roles</th>
<th style=""text-align: center; "">DNS</th>
<th style=""text-align: center; "">Ping</th>
<th style=""text-align: center; "">Uptime (hours)</th>
<th style=""text-align: center; "">OS Free Space (%)</th>
<th style=""text-align: center; "">OS Free Space (GB)</th>
<th style=""text-align: center; "">Time offset (seconds)</th>
<th style=""text-align: center; "">DNS Service</th>
<th style=""text-align: center; "">NTDS Service</th>
<th style=""text-align: center; "">NetLogon Service</th>
<th style=""text-align: center; "">DCDIAG: Connectivity</th>
<th style=""text-align: center; "">DCDIAG: Advertising</th>
<th style=""text-align: center; "">DCDIAG: FrsEvent</th>
<th style=""text-align: center; "">DCDIAG: DFSREvent</th>
<th style=""text-align: center; "">DCDIAG: SysVolCheck</th>
<th style=""text-align: center; "">DCDIAG: KccEvent</th>
<th style=""text-align: center; "">DCDIAG: FSMO KnowsOfRoleHolders</th>
<th style=""text-align: center; "">DCDIAG: MachineAccount</th>
<th style=""text-align: center; "">DCDIAG: NCSecDesc</th>
<th style=""text-align: center; "">DCDIAG: NetLogons</th>
<th style=""text-align: center; "">DCDIAG: ObjectsReplicated</th>
<th style=""text-align: center; "">DCDIAG: Replications</th>
<th style=""text-align: center; "">DCDIAG: RidManager</th>
<th style=""text-align: center; "">DCDIAG: Services</th>
<th style=""text-align: center; "">DCDIAG: SystemLog</th>
<th style=""text-align: center; "">DCDIAG: VerifyReferences</th>
<th style=""text-align: center; "">DCDIAG: CheckSDRefDom</th>
<th style=""text-align: center; "">DCDIAG: CrossRefValidation</th>
<th style=""text-align: center; "">DCDIAG: LocatorCheck</th>
<th style=""text-align: center; "">DCDIAG: Intersite</th>
<th style=""text-align: center; "">DCDIAG: FSMO Check</th>
<th style=""text-align: center; "">Processing Time (seconds)</th>
</tr>"
# Domain Controller Health Report Table
$serverhealthhtmltable = $serverhealthhtmltable + $htmltableheader
# This section will process through the $allTestedDomainControllers array object and create and colour the HTML table based on certain conditions.
foreach ($reportline in $allTestedDomainControllers) {
if (Test-Path variable:fsmoRoleHTML) {
Remove-Variable fsmoRoleHTML
}
if (($reportline."Operation Master Roles").Count -gt 0) {
$fsmoRoleHTML = ($reportline."Operation Master Roles" | ForEach-Object { "$_`r`n" }) -join '<br>'
}
else {
$fsmoRoleHTML = 'None<br>'
}
$htmltablerow = "<tr>"
$htmltablerow += "<td>$($reportline.Server)</td>"
$htmltablerow += "<td>$($reportline.Site)</td>"
$htmltablerow += "<td>$($reportline."OS Version")</td>"
$htmltablerow += "<td>$($reportline."IPv4 Address")</td>"
$htmltablerow += "<td>$fsmoRoleHTML</td>"
$htmltablerow += (New-ServerHealthHTMLTableCell "DNS" )
$htmltablerow += (New-ServerHealthHTMLTableCell "Ping")
if ($($reportline."Uptime (hours)") -eq "CIM Failure") {
$htmltablerow += "<td class=""warn"">Could not test server uptime.</td>"
}
elseif ($($reportline."Uptime (hours)") -eq "Fail") {
$htmltablerow += "<td class=""fail"">Fail</td>"
}
else {
$hours = [int]$($reportline."Uptime (hours)")
if ($hours -le 24) {
$htmltablerow += "<td class=""warn"">$hours</td>"
}
else {
$htmltablerow += "<td class=""pass"">$hours</td>"
}
}
$osSpace = $reportline."OS Free Space (%)"
if ($osSpace -eq "CIM Failure") {
$htmltablerow += "<td class=""warn"">Could not test server free space.</td>"
}
elseif ($osSpace -eq "Fail") {
$htmltablerow += "<td class=""fail"">$osSpace</td>"
}
elseif ($osSpace -le 5) {
$htmltablerow += "<td class=""fail"">$osSpace</td>"
}
elseif ($osSpace -le 30) {
$htmltablerow += "<td class=""warn"">$osSpace</td>"
}
else {
$htmltablerow += "<td class=""pass"">$osSpace</td>"
}
$osSpaceGB = $reportline."OS Free Space (GB)"
if ($osSpaceGB -eq "CIM Failure") {
$htmltablerow += "<td class=""warn"">Could not test server free space.</td>"
}
elseif ($osSpaceGB -eq "Fail") {
$htmltablerow += "<td class=""fail"">$osSpaceGB</td>"
}
elseif ($osSpaceGB -lt 5) {
$htmltablerow += "<td class=""fail"">$osSpaceGB</td>"
}
elseif ($osSpaceGB -lt 10) {
$htmltablerow += "<td class=""warn"">$osSpaceGB</td>"
}
else {
$htmltablerow += "<td class=""pass"">$osSpaceGB</td>"
}
$time = $reportline."Time offset (seconds)"
if ($time -ge 1) {
$htmltablerow += "<td class=""fail"">$time</td>"
}
else {
$htmltablerow += "<td class=""pass"">$time</td>"
}
$htmltablerow += (New-ServerHealthHTMLTableCell "DNS Service")
$htmltablerow += (New-ServerHealthHTMLTableCell "NTDS Service")
$htmltablerow += (New-ServerHealthHTMLTableCell "NetLogon Service")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: Connectivity")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: Advertising")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: FrsEvent")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: DFSREvent")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: SysVolCheck")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: KccEvent")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: FSMO KnowsOfRoleHolders")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: MachineAccount")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: NCSecDesc")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: NetLogons")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: ObjectsReplicated")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: Replications")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: RidManager")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: Services")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: SystemLog")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: VerifyReferences")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: CheckSDRefDom")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: CrossRefValidation")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: LocatorCheck")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: Intersite")
$htmltablerow += (New-ServerHealthHTMLTableCell "DCDIAG: FSMO Check")
$processingTime = $reportline."Processing Time (seconds)"
$htmltablerow += "<td>$processingTime</td>"
[array]$serverhealthhtmltable += $htmltablerow
}
$serverhealthhtmltable += "</table></p>"
$htmltail = "* DNS test is performed using Resolve-DnsName. This cmdlet is only available from Windows 2012 onwards.
</body>
</html>"
$htmlreport = $htmlhead + $serverhealthhtmltable + $htmltail
if ($ReportFile) {
$htmlreport | Out-File $reportFileName -Encoding UTF8
}
if ($SendEmail) {
try {
# Send email with both inline HTML and attachment
$htmlreport | Out-File $reportFileName -Encoding UTF8
Send-MailMessage @smtpsettings -Body $htmlreport -BodyAsHtml -Attachments $reportFileName -Encoding ([System.Text.Encoding]::UTF8) -ErrorAction Stop
Write-Host "Email sent successfully." -ForegroundColor Green
}
catch {
Write-Host "Failed to send email. Error: $_" -ForegroundColor Red
}
}