Public/Get-ALHADSubnetInfo.ps1
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<#PSScriptInfo
.VERSION 1.1.0 .GUID c993f4be-ac1d-4744-92e5-7fd55f58daa4 .AUTHOR Dieter Koch .COMPANYNAME .COPYRIGHT (c) 2021-2023 Dieter Koch .TAGS .LICENSEURI https://github.com/admins-little-helper/ALH/blob/main/LICENSE .PROJECTURI https://github.com/admins-little-helper/ALH .ICONURI .EXTERNALMODULEDEPENDENCIES .REQUIREDSCRIPTS .EXTERNALSCRIPTDEPENDENCIES .RELEASENOTES 1.0 - Initial release 1.1.0 - Cleaned up code #> <# .DESCRIPTION Contains function to get a sorted list of all AD Subnets for the domain the user running the cmdlet is member in. #> function Get-ALHADSubnetInfo { <# .SYNOPSIS Returns a sorted list of all AD Subnets for the domain the user running the cmdlet is member in. .DESCRIPTION Returns a sorted list of all AD Subnets for the domain the user running the cmdlet is member in. .EXAMPLE Get-ALHADDSSubnetInfo .INPUTS Nothing .OUTPUTS PSCustomObject .NOTES Author: Dieter Koch Email: diko@admins-little-helper.de .LINK https://github.com/admins-little-helper/ALH/blob/main/Help/Get-ALHADSubnetInfo.txt #> [CmdletBinding()] param () $RequiredModules = "ActiveDirectory" foreach ($RequiredModule in $RequiredModules) { if (-not [bool](Get-Module -Name $RequiredModule)) { if (-not [bool](Get-Module -Name $RequiredModule -ListAvailable)) { Write-Warning -Message "Module $RequiredModule not found. Stopping function." break } Write-Verbose -Message "Importing $RequiredModule Module" Import-Module ActiveDirectory } } Write-Verbose -Message "Get a list of all domain controllers in the forest" $DcList = (Get-ADForest).Domains | ` ForEach-Object { Get-ADDomainController -Discover -DomainName $_ } | ` ForEach-Object { Get-ADDomainController -Server $_ -Filter * } Write-Verbose -Message "Get all replication subnets from Sites & Services" $Subnets = Get-ADReplicationSubnet -Filter * -Properties * | Select-Object Name, Site, Location, Description $ResultsArray = @() foreach ($Subnet in $Subnets) { $SiteName = "" If ($null -ne $Subnet.Site) { $SiteName = $Subnet.Site.Split(',')[0].Trim('CN=') } $DcInSite = $False If ($DcList.Site -Contains $SiteName) { $DcInSite = $True } $RA = New-Object PSObject $RA | Add-Member -type NoteProperty -Name "Subnet" -Value $Subnet.Name $RA | Add-Member -type NoteProperty -Name "SiteName" -Value $SiteName $RA | Add-Member -type NoteProperty -Name "DcInSite" -Value $DcInSite $RA | Add-Member -type NoteProperty -Name "SiteLoc" -Value $Subnet.Location $RA | Add-Member -type NoteProperty -Name "SiteDesc" -Value $Subnet.Description $ResultsArray += $RA } $ResultsArray | Sort-Object -Property SiteName, Subnet } #region EndOfScript <# ################################################################################ ################################################################################ # # ______ _ __ _____ _ _ # | ____| | | / _| / ____| (_) | | # | |__ _ __ __| | ___ | |_ | (___ ___ _ __ _ _ __ | |_ # | __| | '_ \ / _` | / _ \| _| \___ \ / __| '__| | '_ \| __| # | |____| | | | (_| | | (_) | | ____) | (__| | | | |_) | |_ # |______|_| |_|\__,_| \___/|_| |_____/ \___|_| |_| .__/ \__| # | | # |_| ################################################################################ ################################################################################ # created with help of http://patorjk.com/software/taag/ #> #endregion |