Importing AX users using powershell

<#
	.Synopsis
	Uses AX PowerShell cmdlets to Import AX users from a CSV file.
	.Description
	Uses AX PowerShell cmdlets to Import AX users from a CSV file and works with the corresponding Export-AXUser script.
	.Parameter CsvFile
	The path to the CSV file containing the users to import.
	.Parameter DefaultCompany
	Do not specify the company to add users to (use default).
	.Parameter NoClobber
	Do not override security for existing users.
	.Example
	.\Import-AXUser.ps1 -CsvFile .\Users.csv
	Import users from the CSV file in the current directory.
	.Notes
	Name : Import-AXUser.ps1
	Author: David Green
	.Link
	http://www.tookitaway.co.uk
	https://github.com/davegreen/miscellaneous.git
	#>
	# The Setup-Management and Import-AXModule portaions of theis script are from a script originally by Vishy (http://vgrandhi.wordpress.com).
	# (http://vgrandhi.wordpress.com/2014/04/22/ax-2012-powershell-script-to-export-users-and-roles/)
	[CmdletBinding()]
	Param
	(
	[Parameter(Mandatory=$true,
	ParameterSetName='CSV')]
	[string]$CsvFile = "Users.csv", #filepath
	[switch]$DefaultCompany,
	[switch]$NoClobber
	)
	Function Import-AXModule($axModuleName, $disableNameChecking, $isFile)
	{
	Try
	{
	$outputmessage = "Importing " + $axModuleName
	Write-Verbose $outputmessage
	if($isFile)
	{
	$dynamicsSetupRegKey = Get-Item "HKLM:\SOFTWARE\Microsoft\Dynamics\6.0\Setup"
	$sourceDir = $dynamicsSetupRegKey.GetValue("InstallDir")
	$axModuleName = "ManagementUtilities\" + $axModuleName + ".dll"
	$axModuleName = Join-Path $sourceDir $axModuleName
	}
	if($disableNameChecking)
	{
	Import-Module $axModuleName -DisableNameChecking
	}
	else
	{
	Import-Module $axModuleName
	}
	}
	Catch
	{
	$outputmessage = "Could not load file " + $axModuleName
	Write-Error $outputmessage
	}
	}
	Function Setup-Management()
	{
	$dynamicsSetupRegKey = Get-Item "HKLM:\SOFTWARE\Microsoft\Dynamics\6.0\Setup"
	$sourceDir = $dynamicsSetupRegKey.GetValue("InstallDir")
	$dynamicsAXModulesPath = join-path $sourceDir "ManagementUtilities\Modules"
	$env:PSModulePath = $env:PSModulePath + ";" + $dynamicsAXModulesPath
	Import-AXModule "AxUtilLib" $false $true
	Import-AXModule "AxUtilLib.PowerShell" $true $false
	Import-AXModule "Microsoft.Dynamics.Administration" $false $false
	Import-AXModule "Microsoft.Dynamics.AX.Framework.Management" $false $false
	}
	Function Set-AxSecurity()
	{
	Write-Verbose "Setting security roles for $($user.UserName) ($($user.Name))."
	$securityRoles = Get-AXSecurityRole -AxUserID $AXUserId
	$userRoles = @()
	foreach ($role in $user.Role.split(","))
	{
	$obj = New-Object PSObject
	$obj | Add-Member NoteProperty -Name "AOTName" -Value $role
	$userRoles += $obj
	}
	switch (Compare-Object -ReferenceObject $securityRoles -DifferenceObject $userRoles -property AOTName)
	{
	{$_.SideIndicator -eq "=>"}
	{
	foreach ($aot in $_.AOTName)
	{
	Add-AXSecurityRoleMember -AXUserId $AXUserId -AOTName $aot
	Write-Verbose "Added $($user.UserName) to the role $($aot)."
	}
	}
	{$_.SideIndicator -eq "<="}
	{
	#Nothing Native in PowerShell to remove AX security roles from users.
	Write-Verbose "$($user.UserName) has the role $($_.AOTName), but this is not specified in the import data."
	}
	{$_.SideIndicator -eq "=="}
	{
	Write-Verbose "$($user.UserName) already has the role $($_.AOTName)."
	}
	}
	}
	Setup-Management
	$Users = Import-Csv $CsvFile
	$UserDomain = $env:userdnsdomain
	$AXUsers = Get-AXUser | where {$_.AXUserId -and $_.UserName}
	$AXUserId = $null
	foreach ($user in $Users)
	{
	$NClobber = $NoClobber
	if ($user.UserName.length -gt 8)
	{
	$AXUserId = ($user.UserName.SubString(0,7) + $user.UserName.substring($user.UserName.length -1))
	Write-Verbose "Altered AXUserId from $($user.UserName) to $AXUserId in order to fit length requirements."
	}
	else
	{
	$AXUserId = $user.UserName
	}
	Write-Verbose "Checking if user $($user.UserName) ($($user.Name)) exists."
	if ($AXUsers.UserName -notcontains $user.UserName)
	{
	try
	{
	if ($DefaultCompany)
	{
	Write-Verbose "Creating User $($user.UserName) ($($user.Name))."
	New-AXUser -AccountType $user.AccountType -AXUserId $AXUserId -UserDomain $UserDomain -UserName $user.UserName
	}
	else
	{
	Write-Verbose "Creating User $($user.UserName) ($($user.Name)) in company $($user.Company)."
	New-AXUser -AccountType $user.AccountType -AXUserId $AXUserId -UserDomain $UserDomain -UserName $user.UserName -Company $user.Company
	}
	Set-AxSecurity
	}
	catch
	{
	Write-Warning "Could not add user $($user.UserName) ($($user.Name))"
	$NClobber = $true
	}
	}
	else
	{
	Write-Verbose "User $($user.UserName) ($($user.Name)) already exists."
	}
	if (!$NClobber)
	{
	Set-AxSecurity
	}
	} Source :https://github.com/davegreen/miscellaneous/blob/master/PowerShell/DynamicsAX/Import-AXUser.ps1