Documenting with PowerShell: Active Directory domain and settings

Clients that still have a server on-site are become rare these days – Most of our client base is either completely public cloud using AAD or they have hosted servers in our private cloud. For these clients I’ve made the following script to document their Active Directory server settings. I always I want to be in complete control of my clients environment. That means having up to date documentation at the ready.

Of course there are a stack of other reasons to document the Active Directory environment, think of disaster recovery/runbook scenarios, troubleshooting, possible mergers, or even simply getting a correct overview of the sites, servers, and roles. So, let’s get started! I’ll be posting 2 versions of the script. One for IT-Glue and another for generic use.

IT-Glue version

Warning: Currently my wordpress installation is still replacing < with the HTML equivalent. I’m looking into better code plugins but please check the HTML code parts if you are seeing strangle results.

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#####################################################################
$APIKEy =  "APIKEY"
$orgID = "ORGID"
$APIEndpoint = "https://api.itglue.com"
$FlexAssetName = "Active Directory - AutoDoc"
$Description = "A network one-page document that shows the current configuration for Active Directory."
#####################################################################
#Grabbing ITGlue Module and installing.
If (Get-Module -ListAvailable -Name "ITGlueAPI") {
    Import-module ITGlueAPI
}
Else {
    Install-Module ITGlueAPI -Force
    Import-Module ITGlueAPI
}

#Settings IT-Glue logon information
Add-ITGlueBaseURI -base_uri $APIEndpoint
Add-ITGlueAPIKey $APIKEy

function Get-WinADForestInformation {
    $Data = @{ }
    $ForestInformation = $(Get-ADForest)
    $Data.Forest = $ForestInformation
    $Data.RootDSE = $(Get-ADRootDSE -Properties *)
    $Data.ForestName = $ForestInformation.Name
    $Data.ForestNameDN = $Data.RootDSE.defaultNamingContext
    $Data.Domains = $ForestInformation.Domains
    $Data.ForestInformation = @{
        'Name'                    = $ForestInformation.Name
        'Root Domain'             = $ForestInformation.RootDomain
        'Forest Functional Level' = $ForestInformation.ForestMode
        'Domains Count'           = ($ForestInformation.Domains).Count
        'Sites Count'             = ($ForestInformation.Sites).Count
        'Domains'                 = ($ForestInformation.Domains) -join ", "
        'Sites'                   = ($ForestInformation.Sites) -join ", "
    }

    $Data.UPNSuffixes = Invoke-Command -ScriptBlock {
        $UPNSuffixList  =  [PSCustomObject] @{
                "Primary UPN" = $ForestInformation.RootDomain
                "UPN Suffixes"   = $ForestInformation.UPNSuffixes -join ","
            }
        return $UPNSuffixList
    }

    $Data.GlobalCatalogs = $ForestInformation.GlobalCatalogs
    $Data.SPNSuffixes = $ForestInformation.SPNSuffixes

    $Data.Sites = Invoke-Command -ScriptBlock {
      $Sites = [System.DirectoryServices.ActiveDirectory.Forest]::GetCurrentForest().Sites
        $SiteData = foreach ($Site in $Sites) {
          [PSCustomObject] @{
                "Site Name" = $site.Name
                "Subnets"   = ($site.Subnets) -join ", "
                "Servers" = ($Site.Servers) -join ", "
            }
        }
        Return $SiteData
    }


    $Data.FSMO = Invoke-Command -ScriptBlock {
        [PSCustomObject] @{
            "Domain" = $ForestInformation.RootDomain
            "Role"   = 'Domain Naming Master'
            "Holder" = $ForestInformation.DomainNamingMaster
        }

        [PSCustomObject] @{
            "Domain" = $ForestInformation.RootDomain
            "Role"   = 'Schema Master'
            "Holder" = $ForestInformation.SchemaMaster
        }

        foreach ($Domain in $ForestInformation.Domains) {
            $DomainFSMO = Get-ADDomain $Domain | Select-Object PDCEmulator, RIDMaster, InfrastructureMaster

            [PSCustomObject] @{
                "Domain" = $Domain
                "Role"   = 'PDC Emulator'
                "Holder" = $DomainFSMO.PDCEmulator
            }


            [PSCustomObject] @{
                "Domain" = $Domain
                "Role"   = 'Infrastructure Master'
                "Holder" = $DomainFSMO.InfrastructureMaster
            }

            [PSCustomObject] @{
                "Domain" = $Domain
                "Role"   = 'RID Master'
                "Holder" = $DomainFSMO.RIDMaster
            }

        }

        Return $FSMO
    }

    $Data.OptionalFeatures = Invoke-Command -ScriptBlock {
        $OptionalFeatures = $(Get-ADOptionalFeature -Filter * )
        $Optional = @{
            'Recycle Bin Enabled'                          = ''
            'Privileged Access Management Feature Enabled' = ''
        }
        ### Fix Optional Features
        foreach ($Feature in $OptionalFeatures) {
            if ($Feature.Name -eq 'Recycle Bin Feature') {
                if ("$($Feature.EnabledScopes)" -eq '') {
                    $Optional.'Recycle Bin Enabled' = $False
                }
                else {
                    $Optional.'Recycle Bin Enabled' = $True
                }
            }
            if ($Feature.Name -eq 'Privileged Access Management Feature') {
                if ("$($Feature.EnabledScopes)" -eq '') {
                    $Optional.'Privileged Access Management Feature Enabled' = $False
                }
                else {
                    $Optional.'Privileged Access Management Feature Enabled' = $True
                }
            }
        }
        return $Optional
        ### Fix optional features
    }
    return $Data

}

$TableHeader = "<table class=`"table table-bordered table-hover`" style=`"width:80%`">"
$Whitespace = "<br/>"
$TableStyling = "<th>", "<th style=`"background-color:#4CAF50`">"

$RawAD = Get-WinADForestInformation

$ForestRawInfo = new-object PSCustomObject -property $RawAD.ForestInformation | convertto-html -Fragment | Select-Object -Skip 1
$ForestNice = $TableHeader + ($ForestRawInfo -replace $TableStyling) + $Whitespace

$SiteRawInfo = $RawAD.Sites | Select-Object 'Site Name', Servers, Subnets | ConvertTo-Html -Fragment | Select-Object -Skip 1
$SiteNice = $TableHeader + ($SiteRawInfo -replace $TableStyling) + $Whitespace

$OptionalRawFeatures = new-object PSCustomObject -property $RawAD.OptionalFeatures | convertto-html -Fragment | Select-Object -Skip 1
$OptionalNice = $TableHeader + ($OptionalRawFeatures -replace $TableStyling) + $Whitespace

$UPNRawFeatures = $RawAD.UPNSuffixes |  convertto-html -Fragment -as list| Select-Object -Skip 1
$UPNNice = $TableHeader + ($UPNRawFeatures -replace $TableStyling) + $Whitespace

$DCRawFeatures = $RawAD.GlobalCatalogs | ForEach-Object { Add-Member -InputObject $_ -Type NoteProperty -Name "Domain Controller" -Value $_; $_ } | convertto-html -Fragment | Select-Object -Skip 1
$DCNice = $TableHeader + ($DCRawFeatures -replace $TableStyling) + $Whitespace

$FSMORawFeatures = $RawAD.FSMO | convertto-html -Fragment | Select-Object -Skip 1
$FSMONice = $TableHeader + ($FSMORawFeatures -replace $TableStyling) + $Whitespace

$ForestFunctionalLevel = $RawAD.RootDSE.forestFunctionality
$DomainFunctionalLevel = $RawAD.RootDSE.domainFunctionality
$domaincontrollerMaxLevel = $RawAD.RootDSE.domainControllerFunctionality

$passwordpolicyraw = Get-ADDefaultDomainPasswordPolicy | Select-Object ComplexityEnabled, PasswordHistoryCount, LockoutDuration, LockoutThreshold, MaxPasswordAge, MinPasswordAge | convertto-html -Fragment -As List | Select-Object -skip 1
$passwordpolicyheader = "<tr><th><b>Policy</b></th><th><b>Setting</b></th></tr>"
$passwordpolicyNice = $TableHeader + ($passwordpolicyheader -replace $TableStyling) + ($passwordpolicyraw -replace $TableStyling) + $Whitespace

$adminsraw = Get-ADGroupMember "Domain Admins" | Select-Object SamAccountName, Name | convertto-html -Fragment | Select-Object -Skip 1
$adminsnice = $TableHeader + ($adminsraw -replace $TableStyling) + $Whitespace

$EnabledUsers = (Get-AdUser -filter * | Where-Object { $_.enabled -eq $true }).count
$DisabledUSers = (Get-AdUser -filter \* | Where-Object { $_.enabled -eq $false }).count
$AdminUsers = (Get-ADGroupMember -Identity "Domain Admins").count
$Users = @"
There are <b> $EnabledUsers </b> users Enabled<br>
There are <b> $DisabledUSers </b> users Disabled<br>
There are <b> $AdminUsers </b> Domain Administrator users<br>
"@

$FlexAssetBody = @{
type = 'flexible-assets'
attributes = @{
traits = @{
'domain-name' = $RawAD.ForestName
'forest-summary' = $ForestNice
'site-summary' = $SiteNice
'domain-controllers' = $DCNice
'fsmo-roles' = $FSMONice
'optional-features' = $OptionalNice
'upn-suffixes' = $UPNNice
'default-password-policies' = $passwordpolicyNice
'domain-admins' = $adminsnice
'user-count' = $Users
}
}
}

#Checking if the FlexibleAsset exists. If not, create a new one.
$FilterID = (Get-ITGlueFlexibleAssetTypes -filter_name $FlexAssetName).data
if (!$FilterID) {
$NewFlexAssetData =
@{
type = 'flexible-asset-types'
attributes = @{
name = $FlexAssetName
icon = 'sitemap'
description = $description
}
relationships = @{
"flexible-asset-fields" = @{
data = @(
@{
type = "flexible_asset_fields"
attributes = @{
order = 1
name = "Domain Name"
kind = "Text"
required = $true
"show-in-list" = $true
"use-for-title" = $true
}
},
@{
type = "flexible_asset_fields"
attributes = @{
order = 2
name = "Forest Summary"
kind = "Textbox"
required = $false
"show-in-list" = $false
}
},
@{
type = "flexible_asset_fields"
attributes = @{
order = 3
name = "Site Summary"
kind = "Textbox"
required = $false
"show-in-list" = $false
}
},
@{
type = "flexible_asset_fields"
attributes = @{
order = 4
name = "Domain Controllers"
kind = "Textbox"
required = $false
"show-in-list" = $false
}
},
@{
type = "flexible_asset_fields"
attributes = @{
order = 5
name = "FSMO Roles"
kind = "Textbox"
required = $false
"show-in-list" = $false
}
},
@{
type = "flexible_asset_fields"
attributes = @{
order = 6
name = "Optional Features"
kind = "Textbox"
required = $false
"show-in-list" = $false
}
},
@{
type = "flexible_asset_fields"
attributes = @{
order = 7
name = "UPN Suffixes"
kind = "Textbox"
required = $false
"show-in-list" = $false
}
},
@{
type = "flexible_asset_fields"
attributes = @{
order = 8
name = "Default Password Policies"
kind = "Textbox"
required = $false
"show-in-list" = $false
}
},
@{
type = "flexible_asset_fields"
attributes = @{
order = 9
name = "Domain Admins"
kind = "Textbox"
required = $false
"show-in-list" = $false
}
},
@{
type = "flexible_asset_fields"
attributes = @{
order = 10
name = "User Count"
kind = "Textbox"
required = $false
"show-in-list" = $false
}
}
)
}
}
}
New-ITGlueFlexibleAssetTypes -Data $NewFlexAssetData
$FilterID = (Get-ITGlueFlexibleAssetTypes -filter_name $FlexAssetName).data
}

#Upload data to IT-Glue. We try to match the Server name to current computer name.
$ExistingFlexAsset = (Get-ITGlueFlexibleAssets -filter*flexible_asset_type_id $Filterid.id -filter_organization_id $orgID).data | Where-Object { $*.attributes.traits.'domain-name' -eq $RawAD.ForestName }

#If the Asset does not exist, we edit the body to be in the form of a new asset, if not, we just upload.
if (!$ExistingFlexAsset) {
$FlexAssetBody.attributes.add('organization-id', $orgID)
$FlexAssetBody.attributes.add('flexible-asset-type-id', $FilterID.id)
Write-Host "Creating new flexible asset"
New-ITGlueFlexibleAssets -data $FlexAssetBody
}
else {
Write-Host "Updating Flexible Asset"
$ExistingFlexAsset = $ExistingFlexAsset[-1]
Set-ITGlueFlexibleAssets -id $ExistingFlexAsset.id -data $FlexAssetBody
}

this version of the script does the following:

It creates a Flexible Asset configuration in IT-Glue called ” Active Directory – AutoDoc”
It creates a Flexible Asset file in the supplied organisation($orgID).
The flexible asset file will be filled with the domain name, the forest summary, the site summary, domain controller, fsmo roles, optional features, upn suffixes, default password policies, the domain admins, and a user account.

Special thanks in this blog go out to Przemyslaw Klys for his Get-WinADForestInformation function, and to Jon Czerwinski at Chon Consulting Corp for assisting in some layout and ordering.

Generic version

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 #Head for HTML file
 $head = @"
 <Title>Server AD report</Title>
 <style>
 body { background-color:#E5E4E2;
       font-family:Monospace;
       font-size:10pt; }
 td, th { border:0px solid black;
         border-collapse:collapse;
         white-space:pre; }
 th { color:white;
     background-color:black; }
 table, tr, td, th {
      padding: 2px;
      margin: 0px;
      white-space:pre; }
 tr:nth-child(odd) {background-color: lightgray}
 table { width:95%;margin-left:5px; margin-bottom:20px; }
 h2 {
 font-family:Tahoma;
 color:#6D7B8D;
 }
 .footer
 { color:green;
  margin-left:10px;
  font-family:Tahoma;
  font-size:8pt;
  font-style:italic;
 }
 </style>
 "@

 function Get-WinADForestInformation {
     $Data = @{ }
     $ForestInformation = $(Get-ADForest)
     $Data.Forest = $ForestInformation
     $Data.RootDSE = $(Get-ADRootDSE -Properties *)
     $Data.ForestName = $ForestInformation.Name
     $Data.ForestNameDN = $Data.RootDSE.defaultNamingContext
     $Data.Domains = $ForestInformation.Domains
     $Data.ForestInformation = @{
         'Name'                    = $ForestInformation.Name
         'Root Domain'             = $ForestInformation.RootDomain
         'Forest Functional Level' = $ForestInformation.ForestMode
         'Domains Count'           = ($ForestInformation.Domains).Count
         'Sites Count'             = ($ForestInformation.Sites).Count
         'Domains'                 = ($ForestInformation.Domains) -join ", "
         'Sites'                   = ($ForestInformation.Sites) -join ", "
     }

     $Data.UPNSuffixes = Invoke-Command -ScriptBlock {
         $UPNSuffixList  =  [PSCustomObject] @{
                 "Primary UPN" = $ForestInformation.RootDomain
                 "UPN Suffixes"   = $ForestInformation.UPNSuffixes -join ","
             }
         return $UPNSuffixList
     }

     $Data.GlobalCatalogs = $ForestInformation.GlobalCatalogs
     $Data.SPNSuffixes = $ForestInformation.SPNSuffixes

     $Data.Sites = Invoke-Command -ScriptBlock {
         $Sites = [System.DirectoryServices.ActiveDirectory.Forest]::GetCurrentForest().Sites
           $SiteData = foreach ($Site in $Sites) {
             [PSCustomObject] @{
                   "Site Name" = $site.Name
                   "Subnets"   = ($site.Subnets) -join ", "
                   "Servers" = ($Site.Servers) -join ", "
               }
           }
           Return $SiteData
       }

     $Data.FSMO = Invoke-Command -ScriptBlock {
         [PSCustomObject] @{
             "Domain" = $ForestInformation.RootDomain
             "Role"   = 'Domain Naming Master'
             "Holder" = $ForestInformation.DomainNamingMaster
         }

         [PSCustomObject] @{
             "Domain" = $ForestInformation.RootDomain
             "Role"   = 'Schema Master'
             "Holder" = $ForestInformation.SchemaMaster
         }

         foreach ($Domain in $ForestInformation.Domains) {
             $DomainFSMO = Get-ADDomain $Domain | Select-Object PDCEmulator, RIDMaster, InfrastructureMaster
             [PSCustomObject] @{
                 "Domain" = $Domain
                 "Role"   = 'PDC Emulator'
                 "Holder" = $DomainFSMO.PDCEmulator
             }

             [PSCustomObject] @{
                 "Domain" = $Domain
                 "Role"   = 'PDC Emulator'
                 "Holder" = $DomainFSMO.PDCEmulator
             }


             [PSCustomObject] @{
                 "Domain" = $Domain
                 "Role"   = 'Infrastructure Master'
                 "Holder" = $DomainFSMO.InfrastructureMaster
             }

             [PSCustomObject] @{
                 "Domain" = $Domain
                 "Role"   = 'RID Master'
                 "Holder" = $DomainFSMO.RIDMaster
             }

         }

         Return $FSMO
     }

     $Data.OptionalFeatures = Invoke-Command -ScriptBlock {
         $OptionalFeatures = $(Get-ADOptionalFeature -Filter * )
         $Optional = @{
             'Recycle Bin Enabled'                          = ''
             'Privileged Access Management Feature Enabled' = ''
         }
         ### Fix Optional Features
         foreach ($Feature in $OptionalFeatures) {
             if ($Feature.Name -eq 'Recycle Bin Feature') {
                 if ("$($Feature.EnabledScopes)" -eq '') {
                     $Optional.'Recycle Bin Enabled' = $False
                 }
                 else {
                     $Optional.'Recycle Bin Enabled' = $True
                 }
             }
             if ($Feature.Name -eq 'Privileged Access Management Feature') {
                 if ("$($Feature.EnabledScopes)" -eq '') {
                     $Optional.'Privileged Access Management Feature Enabled' = $False
                 }
                 else {
                     $Optional.'Privileged Access Management Feature Enabled' = $True
                 }
             }
         }
         return $Optional
         ### Fix optional features
     }
     return $Data
 }

 $TableHeader = "<table class=`"table table-bordered table-hover`" style=`"width:80%`">"
 $Whitespace = "<br/>"
 $TableStyling = "<th>", "<th style=`"background-color:#4CAF50`">"

 $RawAD = Get-WinADForestInformation

 $ForestRawInfo = new-object PSCustomObject -property $RawAD.ForestInformation | convertto-html -Fragment | Select-Object -Skip 1
 $ForestNice = $TableHeader + ($ForestRawInfo -replace $TableStyling) + $Whitespace

 $SiteRawInfo = $RawAD.Sites | Select-Object 'Site Name', Servers, Subnets | ConvertTo-Html -Fragment | Select-Object -Skip 1
 $SiteNice = $TableHeader + ($SiteRawInfo -replace $TableStyling) + $Whitespace

 $OptionalRawFeatures = new-object PSCustomObject -property $RawAD.OptionalFeatures | convertto-html -Fragment | Select-Object -Skip 1
 $OptionalNice = $TableHeader + ($OptionalRawFeatures -replace $TableStyling) + $Whitespace

 $UPNRawFeatures = $RawAD.UPNSuffixes | convertto-html -Fragment | Select-Object -Skip 1
 $UPNNice = $TableHeader + ($UPNRawFeatures -replace $TableStyling) + $Whitespace

 $DCRawFeatures = $RawAD.GlobalCatalogs | ForEach-Object { Add-Member -InputObject $_ -Type NoteProperty -Name "Domain Controller" -Value $_; $_ } | convertto-html -Fragment | Select-Object -Skip 1
 $DCNice = $TableHeader + ($DCRawFeatures -replace $TableStyling) + $Whitespace

 $FSMORawFeatures = $RawAD.FSMO | convertto-html -Fragment | Select-Object -Skip 1
 $FSMONice = $TableHeader + ($FSMORawFeatures -replace $TableStyling) + $Whitespace

 $ForestFunctionalLevel = $RawAD.RootDSE.forestFunctionality
 $DomainFunctionalLevel = $RawAD.RootDSE.domainFunctionality
 $domaincontrollerMaxLevel = $RawAD.RootDSE.domainControllerFunctionality

 $passwordpolicyraw = Get-ADDefaultDomainPasswordPolicy | Select-Object ComplexityEnabled, PasswordHistoryCount, LockoutDuration, LockoutThreshold, MaxPasswordAge, MinPasswordAge | convertto-html -Fragment -As List | Select-Object -skip 1
 $passwordpolicyheader = "<tr><th><b>Policy</b></th><th><b>Setting</b></th></tr>"
 $passwordpolicyNice = $TableHeader + ($passwordpolicyheader -replace $TableStyling) + ($passwordpolicyraw -replace $TableStyling) + $Whitespace

 $adminsraw = Get-ADGroupMember "Domain Admins" | Select-Object SamAccountName, Name | convertto-html -Fragment | Select-Object -Skip 1
 $adminsnice = $TableHeader + ($adminsraw -replace $TableStyling) + $Whitespace

 $EnabledUsers = (Get-AdUser -filter * | Where-Object { $_.enabled -eq $true }).count
 $DisabledUSers = (Get-AdUser -filter * | Where-Object { $_.enabled -eq $false }).count
 $AdminUsers = (Get-ADGroupMember -Identity "Domain Admins").count
 $Users = @"
 There are <b> $EnabledUsers </b> users Enabled<br>
 There are <b> $DisabledUSers </b> users Disabled<br>
 There are <b> $AdminUsers </b> Domain Administrator users<br>
 "@

 $HTMLFile = @"
 $head
 <b>Domain Name</b>: $($RawAD.ForestName) <br>
 <br>
 <h1>Forest Configuration</h1> <br>
 $ForestNice
 <br>
 <h1>Site Summary</h1> <br>
 $SiteNice
 <br>
 <h1>Domain Controllers</h1> <br>
 $DCNice
 <br>
 <h1>FSMO Roles</h1>
 $FSMONice
 <h1>Optional Features</h1>
 $OptionalNice
 <br>
 <h1>UPN Suffixes</h1>
 $UPNNice
 <br>
 <h1>Password Policies</h1>
 $passwordpolicyNice
 <br>
 <h1>Domain Admins</h1>
 $adminsnice
 <br>
 <h1>Domain Admins</h1>
 $Users
 <br>
 "@
 $HTMLFile | out-file C:\Temp\ServerDoc.html

And that’s it. If you want more local documentation without the IT-Glue component you should check out this blog too. as always, Happy PowerShelling.

Update: After some comments from Przemysław Kłys I’ve updated the scripts to be a little more efficient and mostly prettier 🙂