Private/Get-ForestEnterpriseOID.ps1
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<#
.SYNOPSIS Retrieves the forest's enterprise OID prefix. .DESCRIPTION This function retrieves the enterprise OID prefix for the current Active Directory forest. .PARAMETER Server Specifies the Active Directory server to connect to. If not specified, uses the default server. .OUTPUTS System.String Returns a string containing the forest's enterprise OID prefix. .EXAMPLE PS C:\> Get-ForestEnterpriseOID Retrieves the enterprise OID prefix for the current Active Directory forest. #> function Get-ForestEnterpriseOID { [CmdletBinding()] [OutputType([System.String])] param( [Parameter(Mandatory = $false)] [ValidateNotNullOrEmpty()] [System.String]$Server ) process { $common = @{} if ($PSBoundParameters.ContainsKey('Server')) { $common.Server = $server } $configNC = (Get-ADRootDSE @common).configurationNamingContext $forestOIDPath = "CN=OID,CN=Public Key Services,CN=Services,$configNC" $forestOID = (Get-ADObject @common -Identity $forestOIDPath -Properties msPKI-Cert-Template-OID | Select-Object -ExpandProperty msPKI-Cert-Template-OID) Write-Output -InputObject $forestOID } } |