function Get-DomainNameDistinguishedName {

    <#
    .SYNOPSIS
      Splits a domain name string in to distinguished name format.

    .DESCRIPTION
      Splits a domain name string in to distinguished name format.  I.e. DC=sample,DC=domain,DC=local

    .PARAMETER DomainName
      [string] The Domain Name to Split

    .EXAMPLE
      Get-DomainNameDistinguishedName "corp.alkamitech.com" -verbose
VERBOSE: [Get-DomainNameDistinguishedName] : Formatting: [corp.alkamitech.com]
VERBOSE: [Get-DomainNameDistinguishedName] : Result: [DC=corp,DC=alkamitech,DC=com]

DC=corp,DC=alkamitech,DC=com
    #>

    [CmdletBinding()]
    [OutputType([string])]
    param(
        [Parameter(Mandatory=$true)]
        [ValidateNotNullOrEmpty()]
        [string]$DomainName
    )

    $logLead = Get-LogLeadName

    if ($DomainName -match "DC=|OU=") {

      Write-Host "$logLead : Domain Name [$DomainName] already appears to be distinguished name format.  No transform will occur."
      return $DomainName
    }

    Write-Verbose "$logLead : Formatting: [$DomainName]"

    # ToDo: Use Join String when we convert to PS7
    # Split on the '.' character, prefix each segment with DC=, then join with ','
    $domainSplitWithPrefix = $DomainName.Split('.') | ForEach-Object { "DC=" + $_ }
    $domainNameDistinguishedFormat = ($domainSplitWithPrefix -join ",").TrimEnd(',')

    Write-Verbose "$logLead : Result: [$domainNameDistinguishedFormat]"
    return $domainNameDistinguishedFormat
}