DSCResources/MSFT_xADCommon/MSFT_xADCommon.psm1
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data localizedString { # culture="en-US" ConvertFrom-StringData @' RoleNotFoundError = Please ensure that the PowerShell module for role '{0}' is installed MembersAndIncludeExcludeError = The '{0}' and '{1}' and/or '{2}' parameters conflict. The '{0}' parameter should not be used in any combination with the '{1}' and '{2}' parameters. MembersIsNullError = The Members parameter value is null. The '{0}' parameter must be provided if neither '{1}' nor '{2}' is provided. MembersIsEmptyError = The Members parameter is empty. At least one group member must be provided. IncludeAndExcludeConflictError = The member '{0}' is included in both '{1}' and '{2}' parameter values. The same member must not be included in both '{1}' and '{2}' parameter values. IncludeAndExcludeAreEmptyError = The '{0}' and '{1}' parameters are either both null or empty. At least one member must be specified in one of these parameters. ModeConversionError = Converted mode {0} is not a {1}. RecycleBinRestoreFailed = Restoring {0} ({1}) from the recycle bin failed. Error message: {2}. EmptyDomainError = No domain name retrieved for group member {0} in group {1}. CheckingMembers = Checking for '{0}' members. MembershipCountMismatch = Membership count is not correct. Expected '{0}' members, actual '{1}' members. MemberNotInDesiredState = Member '{0}' is not in the desired state. RemovingDuplicateMember = Removing duplicate member '{0}' definition. MembershipInDesiredState = Membership is in the desired state. MembershipNotDesiredState = Membership is NOT in the desired state. CheckingDomain = Checking for domain '{0}'. CheckingSite = Checking for site '{0}'. FindInRecycleBin = Finding objects in the recycle bin matching the filter {0}. FoundRestoreTargetInRecycleBin = Found object {0} ({1}) in the recycle bin as {2}. Attempting to restore the object. RecycleBinRestoreSuccessful = Successfully restored object {0} ({1}) from the recycle bin. AddingGroupMember = Adding member '{0}' from domain '{1}' to AD group '{2}'. '@ } # Internal function to assert if the role specific module is installed or not function Assert-Module { [CmdletBinding()] param ( [Parameter()] [ValidateNotNullOrEmpty()] [System.String] $ModuleName = 'ActiveDirectory', [Parameter()] [switch] $ImportModule ) if (-not (Get-Module -Name $ModuleName -ListAvailable)) { $errorId = '{0}_ModuleNotFound' -f $ModuleName; $errorMessage = $localizedString.RoleNotFoundError -f $moduleName; ThrowInvalidOperationError -ErrorId $errorId -ErrorMessage $errorMessage; } if ($ImportModule) { Import-Module -Name $ModuleName } } #end function Assert-Module # Internal function to test whether computer is a member of a domain function Test-DomainMember { [CmdletBinding()] [OutputType([System.Boolean])] param ( ) $isDomainMember = [System.Boolean] (Get-CimInstance -ClassName Win32_ComputerSystem -Verbose:$false).PartOfDomain; return $isDomainMember; } # Internal function to get the domain name of the computer function Get-DomainName { [CmdletBinding()] [OutputType([System.String])] param ( ) $domainName = [System.String] (Get-CimInstance -ClassName Win32_ComputerSystem -Verbose:$false).Domain; return $domainName; } # function Get-DomainName # Internal function to build domain FQDN function Resolve-DomainFQDN { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [OutputType([System.String])] [System.String] $DomainName, [Parameter()] [AllowNull()] [System.String] $ParentDomainName ) $domainFQDN = $DomainName if ($ParentDomainName) { $domainFQDN = '{0}.{1}' -f $DomainName, $ParentDomainName; } return $domainFQDN } ## Internal function to test/ domain availability function Test-ADDomain { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $DomainName, [Parameter()] [System.Management.Automation.PSCredential] [System.Management.Automation.CredentialAttribute()] $Credential ) Write-Verbose -Message ($localizedString.CheckingDomain -f $DomainName); $ldapDomain = 'LDAP://{0}' -f $DomainName; if ($PSBoundParameters.ContainsKey('Credential')) { $domain = New-Object DirectoryServices.DirectoryEntry($ldapDomain, $Credential.UserName, $Credential.GetNetworkCredential().Password); } else { $domain = New-Object DirectoryServices.DirectoryEntry($ldapDomain); } return ($null -ne $domain); } # Internal function to get an Active Directory object's parent Distinguished Name function Get-ADObjectParentDN { <# Copyright (c) 2016 The University Of Vermont All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name of the University nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. http://www.uvm.edu/~gcd/code-license/ #> [CmdletBinding()] [OutputType([System.String])] param ( [Parameter(Mandatory = $true)] [System.String] $DN ) # https://www.uvm.edu/~gcd/2012/07/listing-parent-of-ad-object-in-powershell/ $distinguishedNameParts = $DN -split '(?<![\\]),'; $distinguishedNameParts[1..$($distinguishedNameParts.Count-1)] -join ','; } #end function GetADObjectParentDN # Internal function that validates the Members, MembersToInclude and MembersToExclude combination # is valid. If the combination is invalid, an InvalidArgumentError is raised. function Assert-MemberParameters { [CmdletBinding()] param ( [Parameter()] [ValidateNotNull()] [System.String[]] $Members, [Parameter()] [ValidateNotNull()] [System.String[]] $MembersToInclude, [Parameter()] [ValidateNotNull()] [System.String[]] $MembersToExclude, [Parameter()] [ValidateNotNullOrEmpty()] [System.String] $ModuleName = 'xActiveDirectory' ) if($PSBoundParameters.ContainsKey('Members')) { if($PSBoundParameters.ContainsKey('MembersToInclude') -or $PSBoundParameters.ContainsKey('MembersToExclude')) { # If Members are provided, Include and Exclude are not allowed. $errorId = '{0}_MembersPlusIncludeOrExcludeConflict' -f $ModuleName; $errorMessage = $localizedString.MembersAndIncludeExcludeError -f 'Members','MembersToInclude','MembersToExclude'; ThrowInvalidArgumentError -ErrorId $errorId -ErrorMessage $errorMessage; } if ($Members.Length -eq 0) # ) { $errorId = '{0}_MembersIsNull' -f $ModuleName; $errorMessage = $localizedString.MembersIsNullError -f 'Members','MembersToInclude','MembersToExclude'; ThrowInvalidArgumentError -ErrorId $errorId -ErrorMessage $errorMessage; } } if ($PSBoundParameters.ContainsKey('MembersToInclude')) { $MembersToInclude = [System.String[]] @(Remove-DuplicateMembers -Members $MembersToInclude); } if ($PSBoundParameters.ContainsKey('MembersToExclude')) { $MembersToExclude = [System.String[]] @(Remove-DuplicateMembers -Members $MembersToExclude); } if (($PSBoundParameters.ContainsKey('MembersToInclude')) -and ($PSBoundParameters.ContainsKey('MembersToExclude'))) { if (($MembersToInclude.Length -eq 0) -and ($MembersToExclude.Length -eq 0)) { $errorId = '{0}_EmptyIncludeAndExclude' -f $ModuleName; $errorMessage = $localizedString.IncludeAndExcludeAreEmptyError -f 'MembersToInclude', 'MembersToExclude'; ThrowInvalidArgumentError -ErrorId $errorId -ErrorMessage $errorMessage; } # Both MembersToInclude and MembersToExlude were provided. Check if they have common principals. foreach ($member in $MembersToInclude) { if ($member -in $MembersToExclude) { $errorId = '{0}_IncludeAndExcludeConflict' -f $ModuleName; $errorMessage = $localizedString.IncludeAndExcludeConflictError -f $member, 'MembersToInclude', 'MembersToExclude'; ThrowInvalidArgumentError -ErrorId $errorId -ErrorMessage $errorMessage; } } } } #end function Assert-MemberParameters ## Internal function to remove duplicate strings (members) from a string array function Remove-DuplicateMembers { [CmdletBinding()] [OutputType([System.String[]])] param ( [Parameter()] [System.String[]] $Members ) Set-StrictMode -Version Latest $destIndex = 0; for([int] $sourceIndex = 0 ; $sourceIndex -lt $Members.Count; $sourceIndex++) { $matchFound = $false; for([int] $matchIndex = 0; $matchIndex -lt $destIndex; $matchIndex++) { if($Members[$sourceIndex] -eq $Members[$matchIndex]) { # A duplicate is found. Discard the duplicate. Write-Verbose -Message ($localizedString.RemovingDuplicateMember -f $Members[$sourceIndex]); $matchFound = $true; continue; } } if(!$matchFound) { $Members[$destIndex++] = $Members[$sourceIndex].ToLowerInvariant(); } } # Create the output array. $destination = New-Object -TypeName System.String[] -ArgumentList $destIndex; # Copy only distinct elements from the original array to the destination array. [System.Array]::Copy($Members, $destination, $destIndex); return $destination; } #end function RemoveDuplicateMembers # Internal function to test whether the existing array members match the defined explicit array # members, the included members are present and the exlcuded members are not present. function Test-Members { [CmdletBinding()] [OutputType([System.Boolean])] param ( ## Existing array members [Parameter()] [AllowNull()] [System.String[]] $ExistingMembers, ## Explicit array members [Parameter()] [AllowNull()] [System.String[]] $Members, ## Compulsory array members [Parameter()] [AllowNull()] [System.String[]] $MembersToInclude, ## Excluded array members [Parameter()] [AllowNull()] [System.String[]] $MembersToExclude ) if ($PSBoundParameters.ContainsKey('Members')) { if ($null -eq $Members -or (($Members.Count -eq 1) -and ($Members[0].Length -eq 0))) { $Members = @(); } Write-Verbose ($localizedString.CheckingMembers -f 'Explicit'); $Members = [System.String[]] @(Remove-DuplicateMembers -Members $Members); if ($ExistingMembers.Count -ne $Members.Count) { Write-Verbose -Message ($localizedString.MembershipCountMismatch -f $Members.Count, $ExistingMembers.Count); return $false; } foreach ($member in $Members) { if ($member -notin $ExistingMembers) { Write-Verbose -Message ($localizedString.MemberNotInDesiredState -f $member); return $false; } } } #end if $Members if ($PSBoundParameters.ContainsKey('MembersToInclude')) { if ($null -eq $MembersToInclude -or (($MembersToInclude.Count -eq 1) -and ($MembersToInclude[0].Length -eq 0))) { $MembersToInclude = @(); } Write-Verbose -Message ($localizedString.CheckingMembers -f 'Included'); $MembersToInclude = [System.String[]] @(Remove-DuplicateMembers -Members $MembersToInclude); foreach ($member in $MembersToInclude) { if ($member -notin $ExistingMembers) { Write-Verbose -Message ($localizedString.MemberNotInDesiredState -f $member); return $false; } } } #end if $MembersToInclude if ($PSBoundParameters.ContainsKey('MembersToExclude')) { if ($null -eq $MembersToExclude -or (($MembersToExclude.Count -eq 1) -and ($MembersToExclude[0].Length -eq 0))) { $MembersToExclude = @(); } Write-Verbose -Message ($localizedString.CheckingMembers -f 'Excluded'); $MembersToExclude = [System.String[]] @(Remove-DuplicateMembers -Members $MembersToExclude); foreach ($member in $MembersToExclude) { if ($member -in $ExistingMembers) { Write-Verbose -Message ($localizedString.MemberNotInDesiredState -f $member); return $false; } } } #end if $MembersToExclude Write-Verbose -Message $localizedString.MembershipInDesiredState; return $true; } #end function Test-Membership function ConvertTo-TimeSpan { [CmdletBinding()] [OutputType([System.TimeSpan])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.UInt32] $TimeSpan, [Parameter(Mandatory = $true)] [ValidateSet('Seconds','Minutes','Hours','Days')] [System.String] $TimeSpanType ) $newTimeSpanParams = @{ }; switch ($TimeSpanType) { 'Seconds' { $newTimeSpanParams['Seconds'] = $TimeSpan } 'Minutes' { $newTimeSpanParams['Minutes'] = $TimeSpan } 'Hours' { $newTimeSpanParams['Hours'] = $TimeSpan } 'Days' { $newTimeSpanParams['Days'] = $TimeSpan } } return (New-TimeSpan @newTimeSpanParams) } #end function ConvertTo-TimeSpan <# .SYNOPSIS Converts a System.TimeSpan into the number of seconds, mintutes, hours or days. .PARAMETER TimeSpan TimeSpan to convert into an integer .PARAMETER TimeSpanType Convert timespan into the total number of seconds, minutes, hours or days. .EXAMPLE $Get-ADDefaultDomainPasswordPolicy ConvertFrom-TimeSpan #> function ConvertFrom-TimeSpan { [CmdletBinding()] [OutputType([System.Int32])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.TimeSpan] $TimeSpan, [Parameter(Mandatory = $true)] [ValidateSet('Seconds','Minutes','Hours','Days')] [System.String] $TimeSpanType ) switch ($TimeSpanType) { 'Seconds' { return $TimeSpan.TotalSeconds -as [System.UInt32] } 'Minutes' { return $TimeSpan.TotalMinutes -as [System.UInt32] } 'Hours' { return $TimeSpan.TotalHours -as [System.UInt32] } 'Days' { return $TimeSpan.TotalDays -as [System.UInt32] } } } #end function ConvertFrom-TimeSpan <# .SYNOPSIS Returns common AD cmdlet connection parameter for splatting .PARAMETER CommonName When specified, a CommonName overrides theUsed by the xADUser cmdletReturns the Identity as the Name key. For example, the Get-ADUser, Set-ADUser and Remove-ADUser cmdlets take an Identity parameter, but the New-ADUser cmdlet uses the Name parameter. .PARAMETER UseNameParameter Returns the Identity as the Name key. For example, the Get-ADUser, Set-ADUser and Remove-ADUser cmdlets take an Identity parameter, but the New-ADUser cmdlet uses the Name parameter. .EXAMPLE $getADUserParams = Get-CommonADParameters @PSBoundParameters Returns connection parameters suitable for Get-ADUser using the splatted cmdlet parameters. .EXAMPLE $newADUserParams = Get-CommonADParameters @PSBoundParameters -UseNameParameter Returns connection parameters suitable for New-ADUser using the splatted cmdlet parameters. #> function Get-ADCommonParameters { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [Alias('UserName','GroupName','ComputerName')] [System.String] $Identity, [Parameter()] [ValidateNotNullOrEmpty()] [System.String] $CommonName, [Parameter()] [ValidateNotNull()] [Alias('DomainAdministratorCredential')] [System.Management.Automation.PSCredential] [System.Management.Automation.CredentialAttribute()] $Credential, [Parameter()] [ValidateNotNullOrEmpty()] [Alias('DomainController')] [System.String] $Server, [Parameter()] [System.Management.Automation.SwitchParameter] $UseNameParameter, [Parameter()] [System.Management.Automation.SwitchParameter] $PreferCommonName, ## Catch all to enable splatted $PSBoundParameters [Parameter(ValueFromRemainingArguments)] $RemainingArguments ) if ($UseNameParameter) { if ($PreferCommonName -and ($PSBoundParameters.ContainsKey('CommonName'))) { $adConnectionParameters = @{ Name = $CommonName; } } else { $adConnectionParameters = @{ Name = $Identity; } } } else { if ($PreferCommonName -and ($PSBoundParameters.ContainsKey('CommonName'))) { $adConnectionParameters = @{ Identity = $CommonName; } } else { $adConnectionParameters = @{ Identity = $Identity; } } } if ($Credential) { $adConnectionParameters['Credential'] = $Credential; } if ($Server) { $adConnectionParameters['Server'] = $Server; } return $adConnectionParameters; } #end function Get-ADCommonParameters function ThrowInvalidOperationError { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $ErrorId, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $ErrorMessage ) $exception = New-Object -TypeName System.InvalidOperationException -ArgumentList $ErrorMessage; $errorCategory = [System.Management.Automation.ErrorCategory]::InvalidOperation; $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord -ArgumentList $exception, $ErrorId, $errorCategory, $null; throw $errorRecord; } function ThrowInvalidArgumentError { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $ErrorId, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $ErrorMessage ) $exception = New-Object -TypeName System.ArgumentException -ArgumentList $ErrorMessage; $errorCategory = [System.Management.Automation.ErrorCategory]::InvalidArgument; $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord -ArgumentList $exception, $ErrorId, $errorCategory, $null; throw $errorRecord; } #end function ThrowInvalidArgumentError ## Internal function to test site availability function Test-ADReplicationSite { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $SiteName, [Parameter(Mandatory = $true)] [System.String] $DomainName, [Parameter()] [System.Management.Automation.PSCredential] $Credential ) Write-Verbose -Message ($localizedString.CheckingSite -f $SiteName); $existingDC = "$((Get-ADDomainController -Discover -DomainName $DomainName -ForceDiscover).HostName)"; try { $site = Get-ADReplicationSite -Identity $SiteName -Server $existingDC -Credential $Credential; } catch [Microsoft.ActiveDirectory.Management.ADIdentityNotFoundException] { return $false; } return ($null -ne $site); } function ConvertTo-DeploymentForestMode { [CmdletBinding()] [OutputType([Microsoft.DirectoryServices.Deployment.Types.ForestMode])] param ( [Parameter( Mandatory = $true, ParameterSetName = 'ById')] [UInt16] $ModeId, [Parameter( Mandatory = $true, ParameterSetName = 'ByName')] [AllowNull()] [System.Nullable``1[Microsoft.ActiveDirectory.Management.ADForestMode]] $Mode, [Parameter()] [ValidateNotNullOrEmpty()] [System.String] $ModuleName = 'xActiveDirectory' ) $convertedMode = $null if ($PSCmdlet.ParameterSetName -eq 'ByName' -and $Mode) { $convertedMode = $Mode -as [Microsoft.DirectoryServices.Deployment.Types.ForestMode] } if ($PSCmdlet.ParameterSetName -eq 'ById') { $convertedMode = $ModeId -as [Microsoft.DirectoryServices.Deployment.Types.ForestMode] } if ([enum]::GetValues([Microsoft.DirectoryServices.Deployment.Types.ForestMode]) -notcontains $convertedMode) { return $null } return $convertedMode } function ConvertTo-DeploymentDomainMode { [CmdletBinding()] [OutputType([Microsoft.DirectoryServices.Deployment.Types.DomainMode])] param ( [Parameter( Mandatory = $true, ParameterSetName = 'ById')] [UInt16] $ModeId, [Parameter( Mandatory = $true, ParameterSetName = 'ByName')] [AllowNull()] [System.Nullable``1[Microsoft.ActiveDirectory.Management.ADDomainMode]] $Mode, [Parameter()] [ValidateNotNullOrEmpty()] [System.String] $ModuleName = 'xActiveDirectory' ) $convertedMode = $null if ($PSCmdlet.ParameterSetName -eq 'ByName' -and $Mode) { $convertedMode = $Mode -as [Microsoft.DirectoryServices.Deployment.Types.DomainMode] } if ($PSCmdlet.ParameterSetName -eq 'ById') { $convertedMode = $ModeId -as [Microsoft.DirectoryServices.Deployment.Types.DomainMode] } if ([enum]::GetValues([Microsoft.DirectoryServices.Deployment.Types.DomainMode]) -notcontains $convertedMode) { return $null } return $convertedMode } function Restore-ADCommonObject { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [Alias('UserName','GroupName','ComputerName')] [System.String] $Identity, [Parameter(Mandatory = $true)] [ValidateSet('Computer','OrganizationalUnit','User','Group')] [System.String] $ObjectClass, [Parameter()] [ValidateNotNull()] [Alias('DomainAdministratorCredential')] [System.Management.Automation.PSCredential] [System.Management.Automation.CredentialAttribute()] $Credential, [Parameter()] [ValidateNotNullOrEmpty()] [Alias('DomainController')] [System.String] $Server ) $restoreFilter = 'msDS-LastKnownRDN -eq "{0}" -and objectClass -eq "{1}" -and isDeleted -eq $true' -f $Identity, $ObjectClass Write-Verbose -Message ($localizedString.FindInRecycleBin -f $restoreFilter) <# Using IsDeleted and IncludeDeletedObjects will mean that the cmdlet does not throw any more, and simply returns $null instead #> $commonParams = Get-ADCommonParameters @PSBoundParameters $getAdObjectParams = $commonParams.Clone() $getAdObjectParams.Remove('Identity') $getAdObjectParams['Filter'] = $restoreFilter $getAdObjectParams['IncludeDeletedObjects'] = $true $restorableObject = Get-ADObject @getAdObjectParams $restoredObject = $null if ($restorableObject) { Write-Verbose -Message ($localizedString.FoundRestoreTargetInRecycleBin -f $Identity, $ObjectClass, $restorableObject.DistinguishedName) try { $restoreParams = $commonParams.Clone() $restoreParams['PassThru'] = $true $restoreParams['ErrorAction'] = 'Stop' $restoreParams['Identity'] = $restorableObject.DistinguishedName $restoredObject = Restore-ADObject @restoreParams Write-Verbose -Message ($localizedString.RecycleBinRestoreSuccessful -f $Identity, $ObjectClass) } catch [Microsoft.ActiveDirectory.Management.ADException] { # After Get-TargetResource is through, only one error can occur here: Object parent does not exist ThrowInvalidOperationError -ErrorId "$($Identity)_RecycleBinRestoreFailed" -ErrorMessage ($localizedString.RecycleBinRestoreFailed -f $Identity, $ObjectClass, $_.Exception.Message) } } return $restoredObject } <# .SYNOPSIS Author: Robert D. Biddle (https://github.com/RobBiddle) Created: December.20.2017 .DESCRIPTION Takes an Active Directory DistinguishedName as input, returns the domain FQDN .EXAMPLE Get-ADDomainNameFromDistinguishedName -DistinguishedName 'CN=ExampleObject,OU=ExampleOU,DC=example,DC=com' #> function Get-ADDomainNameFromDistinguishedName { [CmdletBinding()] param ( [Parameter()] [System.String] $DistinguishedName ) if ($DistinguishedName -notlike '*DC=*') { return } $splitDistinguishedName = ($DistinguishedName -split 'DC=') $splitDistinguishedNameParts = $splitDistinguishedName[1..$splitDistinguishedName.Length] $domainFqdn = "" foreach ($part in $splitDistinguishedNameParts) { $domainFqdn += "DC=$part" } $domainName = $domainFqdn -replace 'DC=', '' -replace ',', '.' return $domainName } #end function Get-ADDomainNameFromDistinguishedName <# .SYNOPSIS Add group member from current or different domain .NOTES Author original code: Robert D. Biddle (https://github.com/RobBiddle) Author refactored code: Jan-Hendrik Peters (https://github.com/nyanhp) #> function Add-ADCommonGroupMember { [CmdletBinding()] param ( [Parameter()] [string[]] $Members, [Parameter()] [hashtable] $Parameters, [Parameter()] [switch] $MembersInMultipleDomains ) Assert-Module -ModuleName ActiveDirectory if ($MembersInMultipleDomains.IsPresent) { foreach($member in $Members) { $memberDomain = Get-ADDomainNameFromDistinguishedName -DistinguishedName $member if (-not $memberDomain) { ThrowInvalidArgumentError -ErrorId "$($member)_EmptyDomainError" -ErrorMessage ($localizedString.EmptyDomainError -f $member, $Parameters.GroupName) } Write-Verbose -Message ($localizedString.AddingGroupMember -f $member, $memberDomain, $Parameters.GroupName) $memberObjectClass = (Get-ADObject -Identity $member -Server $memberDomain -Properties ObjectClass).ObjectClass if ($memberObjectClass -eq 'computer') { $memberObject = Get-ADComputer -Identity $member -Server $memberDomain } elseif ($memberObjectClass -eq 'group') { $memberObject = Get-ADGroup -Identity $member -Server $memberDomain } elseif ($memberObjectClass -eq 'user') { $memberObject = Get-ADUser -Identity $member -Server $memberDomain } Add-ADGroupMember @Parameters -Members $memberObject } } else { Add-ADGroupMember @Parameters -Members $Members } } |