Active Directory Replication Monitoring Powershell Script ~ Active Directory

This script generate AD replication report and send the email to the specified email ID as below. Please change the email notification settings

#===================================================================#

# This Script (v1.0) is to monitor the Active Directory Replication #

# Created on 29-05-2023 by Ezhilkumar #

#===================================================================#

$a = repadmin /showrepl * /csv

$a | Out-File -FilePath "D:\Scripts\AD_ReplicationMonitor\ADReplicationreport.csv" -Encoding UTF8

$b = ConvertFrom-Csv -InputObject $a | Where-Object {($_.'number of failures' -ge "1") -or ($_.'Naming Context' -like "*server down*")}

if ($b -ne $null) {

$c = "Hi Team, `nThere are replication failures in Test.com. Please check the replication report and take necessary action immediately.`n`n"

$c += "<h2 style='color: #ff0000;'>Test.com Active Directory Replication Status: There are replication failures</h2>"

$c += "<table style='border-collapse: collapse; width: 100%; font-size: 12px;'>"

$c += "<colgroup><col style='width: auto;'><col style='width: auto;'><col style='width: auto;'><col style='width: auto;'><col style='width: auto;'><col style='width: auto;'><col style='width: auto;'><col style='width: auto;'><col style='width: auto;'><col style='width: auto;'></colgroup>"

$c += "<tr><th colspan='10' style='background-color: #0000ff; border: 1px solid #dddddd; padding: 8px;'>Test.com Active Directory Replication Status</th></tr>"

$c += "<tr><th style='background-color: #f1f1f1; border: 1px solid #dddddd; padding: 8px;'>Destination DSA Site</th><th style='background-color: #f1f1f1; border: 1px solid #dddddd; padding: 8px;'>Destination DSA</th><th style='background-color: #f1f1f1; border: 1px solid #dddddd; padding: 8px;'>Naming Context</th><th style='background-color: #f1f1f1; border: 1px solid #dddddd; padding: 8px;'>Source DSA Site</th><th style='background-color: #f1f1f1; border: 1px solid #dddddd; padding: 8px;'>Source DSA</th><th style='background-color: #f1f1f1; border: 1px solid #dddddd; padding: 8px;'>Transport Type</th><th style='background-color: #f1f1f1; border: 1px solid #dddddd; padding: 8px;'>Number of Failures</th><th style='background-color: #f1f1f1; border: 1px solid #dddddd; padding: 8px;'>Last Failure Time</th><th style='background-color: #f1f1f1; border: 1px solid #dddddd; padding: 8px;'>Last Success Time</th><th style='background-color: #f1f1f1; border: 1px solid #dddddd; padding: 8px;'>Last Failure Status</th></tr>"

foreach ($entry in $b) {

$failureCount = $entry.'number of failures'

$c += "<tr"

if ($failureCount -ge "1") {

$c += " style='background-color: #ff0000;'"

}

$c += ">"

$c += "<td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Destination DSA Site')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Destination DSA')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Naming Context')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Source DSA Site')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Source DSA')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Transport Type')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Number of Failures')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Last Failure Time')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Last Success Time')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Last Failure Status')</td></tr>"

}

$c += "</table>"

} else {

$c = "Hi Team, `nAD replication is fine in Test.com domain, and there were no replication failures.`n`n"

$c += "<h2 style='color: #008000;'>Test.com Active Directory Replication Status: Success</h2>"

$c += "<table style='border-collapse: collapse; width: 100%; font-size: 12px;'>"

$c += "<tr><th colspan='10' style='background-color: #0000ff; border: 1px solid #dddddd; padding: 8px;'>Test.com Active Directory Replication Status</th></tr>"

$csvData = Import-Csv -Path "D:\Scripts\AD_ReplicationMonitor\ADReplicationreport.csv"

foreach ($entry in $csvData) {

$c += "<tr><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Destination DSA Site')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Destination DSA')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Naming Context')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Source DSA Site')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Source DSA')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Transport Type')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Number of Failures')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Last Failure Time')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Last Success Time')</td><td style='border: 1px solid #dddddd; padding: 8px;'>$($entry.'Last Failure Status')</td></tr>"

}

$c += "</table>"

}

# Email notification settings

$sender = "Noreply_ADReplicationReport@test.com"

$recipients = "recipients@test.com"

$ccrecipients = "recipients@test.com"

$subject = "Test.com Active Directory Replication Status"

$body = "<html><body>$c</body></html>"

$attachmentPath = "D:\Scripts\AD_ReplicationMonitor\ADReplicationreport.csv"

$mailParams = @{

From = $sender

To = $recipients

Cc = $ccrecipients

Subject = $subject

Body = $body

BodyAsHtml = $true

SmtpServer = "mail.Test.com"

Attachments = $attachmentPath

}

# Send the email

Send-MailMessage @mailParams

Active Directory | Messaging Solutions

Active Directory Replication Monitoring Powershell Script

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