Public/Domain/Remove-365Domain.ps1
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function Remove-365Domain { <# .SYNOPSIS This is a tad hacked together.. check the comment block at the very bottom of the function .DESCRIPTION Long description .PARAMETER ExportOnly Parameter description .PARAMETER FlipMailbox Parameter description .PARAMETER FlipMailUser Parameter description .PARAMETER FlipUPN Parameter description .PARAMETER FlipDLPrimary Parameter description .PARAMETER FlipUGPrimary Parameter description .PARAMETER RemoveMailUserProxy Parameter description .PARAMETER RemoveMbxProxy Parameter description .PARAMETER RemoveUGProxy Parameter description .PARAMETER RemoveDLProxy Parameter description .PARAMETER RoutingDomain For example: "*@contoso.onmicrosoft.com" .PARAMETER DomainSuffix For example: "@contoso.onmicrosoft.com" .PARAMETER WildCardDomain For example: "*.onmicrosoft.com" .EXAMPLE An example .NOTES General notes #> param ( [Parameter()] [switch] $ExportOnly, [Parameter()] [switch] $FlipMailbox, [Parameter()] [switch] $FlipMailUser, [Parameter()] [switch] $FlipUPN, [Parameter()] [switch] $FlipDLPrimary, [Parameter()] [switch] $FlipUGPrimary, [Parameter()] [switch] $RemoveMailUserProxy, [Parameter()] [switch] $RemoveMbxProxy, [Parameter()] [switch] $RemoveUGProxy, [Parameter()] [switch] $RemoveDLProxy, [Parameter(Mandatory)] [string] $RoutingDomain, [Parameter(Mandatory)] [string] $DomainSuffix, [Parameter(Mandatory)] [string] $WildCardDomain ) if ($ExportOnly) { Write-HostLog -Message "Creating`t$($NewDL.Name)`t$($NewDL.PrimarySmtpAddress)" Write-HostLog -Message "Running discovery on user accounts" $MsolUser = Get-MsolUser -All | Sort-Object -Property UserPrincipalName $Mailbox = Get-Mailbox -ResultSize Unlimited | Where-Object { $_.Name -notlike "DiscoverySearchMailbox*" } | Sort-Object -Property UserPrincipalName $MailUser = Get-MailUser -ResultSize Unlimited | Sort-Object -Property UserPrincipalName Write-HostLog -Message "`nTotal MsolUsers Found: $($MsolUser.count)" -Status "Success" Write-HostLog -Message "Total MailUsers Found: $($MailUser.count)" -Status "Success" Write-HostLog -Message "Total Mailboxes Found: $($Mailbox.count)" -Status "Success" $MsolProps = @( 'DisplayName', 'BlockCredential', 'UserPrincipalName', 'UserType', 'ImmutableId' ) $MsolCalcProps = @( @{n = "proxyAddresses" ; e = { ($_.proxyAddresses | Where-Object { $_ -ne $null }) -join '|' } } ) $MailProps = @( 'DisplayName', 'Alias', 'LegacyExchangeDN', 'HiddenFromAddressListsEnabled', 'PrimarySmtpAddress' 'UserPrincipalName', 'SkuAssigned', 'LitigationHoldEnabled', 'IsDirSynced', 'AccountDisabled', 'RecipientTypeDetails' ) $MailCalcProps = @( @{n = "EmailAddresses" ; e = { ($_.EmailAddresses | Where-Object { $_ -ne $null }) -join '|' } } ) $MsolUser | Select-Object ($MsolProps + $MsolCalcProps) | Export-Csv ".\MsolUsers.csv" -NoTypeInformation -Encoding UTF8 $Mailbox | Select-Object ($MailProps + $MailCalcProps) | Export-Csv ".\Mailboxes.csv" -NoTypeInformation -Encoding UTF8 $MailUser | Select-Object ($MailProps + $MailCalcProps) | Export-Csv ".\MailUsers.csv" -NoTypeInformation -Encoding UTF8 Write-HostLog -Message "Exported Users, MailUsers & Mailbox details in CSV`n" Write-HostLog -Message "Running discovery on Group accounts" $DistributionGroup = Get-DistributionGroup -ResultSize unlimited $UnifiedGroup = Get-UnifiedGroup -ResultSize unlimited Write-HostLog -Message "`nTotal Distribution Groups Found: $($DistributionGroup.count)" -Status "Success" Write-HostLog -Message "Total O365 Groups Found: $($UnifiedGroup.count)" -Status "Success" $GroupProps = @( 'DisplayName', 'BlockCredential', 'UserPrincipalName', 'UserType', 'ImmutableId' ) $GroupCalcProps = @( @{n = "EmailAddresses" ; e = { ($_.EmailAddresses | Where-Object { $_ -ne $null }) -join '|' } } ) $DistributionGroup | Select-Object ($GroupProps + $GroupCalcProps) | Export-Csv ".\DistributionGroups.csv" -NoTypeInformation $UnifiedGroup | Select-Object ($GroupProps + $GroupCalcProps) | Export-Csv ".\O365Groups.csv" -NoTypeInformation Write-HostLog -Message "Exported Distribution Groups & O365 Groups details in CSV`n" } if ($FlipUPN) { $MsolUser = Get-MsolUser -All | Sort-Object -Property UserPrincipalName Write-HostLog -Message "`nTotal MsolUsers Found: $($MsolUser.count)" -Status "Success" $ConfirmCount = Read-Host "Do you want to split the count?:(y/n)" if ($ConfirmCount -eq 'y') { Write-HostLog "You need the 'StartNumber' and 'EndNumber' to split the accounts" Write-HostLog "################## FOR EXAMPLE ##############################" Write-HostLog "If you want to run for first 1000 users" Write-HostLog "Enter 'StartNumber' as '0' and 'EndNumber' as '999'`n" Write-HostLog "If you want to run for second 1000 users" Write-HostLog "Enter 'StartNumber' as '1000' and 'EndNumber' as '1999' and so on...`n" Write-HostLog "#############################################################`n" $StartNumber = Read-Host "Enter StartNumber" $EndNumber = Read-Host "Enter EndNumber" Write-HostLog -Message "`n" $MsolUser = $MsolUser[$StartNumber..$EndNumber] } if ($ConfirmCount -eq 'n' -or $ConfirmCount -eq 'y') { $i = 1 $Total = $MsolUser.count ForEach ($CurMsoluser in $MsolUser) { if ($CurMsoluser.UserPrincipalName -notlike $RoutingDomain) { $MsolProxyAddress = $CurMsoluser.UserPrincipalName.Split("@")[0] + $DomainSuffix try { Set-MsolUserPrincipalName -UserPrincipalName $($CurMsoluser.UserPrincipalName) -NewUserPrincipalName $MsolProxyAddress -ErrorAction Stop Write-HostProgress -Message "$($CurMsoluser.UserPrincipalName)" -Status "Success" -Total $Total -Count $i } catch { Write-HostProgress -Message "$($CurMsoluser.UserPrincipalName)" -Status "Failed" -Total $Total -Count $i } Start-Sleep -Seconds 2 } else { Write-HostLog -Message "No UPN Flip required: $($CurMsoluser.UserPrincipalName)" -Status "Neutral" } $i++ } } Write-HostLog -Message "`nMsolUsers Completed`n" } if ($FlipMailbox) { $Mailbox = Get-Mailbox -ResultSize Unlimited | Sort-Object -Property UserPrincipalName Write-HostProgress -Message "`nTotal Mailboxes Found: $($Mailbox.count)" -Status "Success" -Total $Total -Count $i $ConfirmCount = Read-Host "Do you want to split the count?:(y/n)" if ($ConfirmCount -eq 'y') { Write-HostLog "You need the 'StartNumber' and 'EndNumber' to split the accounts" Write-HostLog "################## FOR EXAMPLE ##############################" Write-HostLog "If you want to run for first 1000 users" Write-HostLog "Enter 'StartNumber' as '0' and 'EndNumber' as '999'`n" Write-HostLog "If you want to run for second 1000 users" Write-HostLog "Enter 'StartNumber' as '1000' and 'EndNumber' as '1999' and so on...`n" Write-HostLog "#############################################################`n" $StartNumber = Read-Host "Enter StartNumber" $EndNumber = Read-Host "Enter EndNumber" Write-HostLog -Message "`n" $Mailbox = $Mailbox[$StartNumber..$EndNumber] } if ($ConfirmCount -eq 'n' -or $ConfirmCount -eq 'y') { $i = 1 $Total = $Mailbox.count ForEach ($CurMailbox in $Mailbox) { if ($CurMailbox.PrimarySmtpAddress -notlike $RoutingDomain) { $NewPrimary = $CurMailbox.PrimarySmtpAddress.Split("@")[0] + $DomainSuffix try { Set-Mailbox -Identity $($CurMailbox.PrimarySmtpAddress) -WindowsEmailAddress $NewPrimary -ErrorAction Stop Write-HostProgress -Message "$($CurMailbox.PrimarySmtpAddress): $NewPrimary" -Status "Success" -Total $Total -Count $i } catch { Write-HostProgress -Message "$($CurMailbox.PrimarySmtpAddress): $NewPrimary" -Status "Failed" -Total $Total -Count $i } Start-Sleep -Seconds 2 } else { Write-HostLog -Message "No Primary Flip required: $($CurMailbox.PrimarySmtpAddress)" -Status "Neutral" } $i++ } } Write-HostLog -Message "`nMailboxes Completed`n" } if ($FlipMailUser) { $MailUser = Get-MailUser -ResultSize unlimited | Where-Object { $_.RecipientTypeDetails -ne "GuestMailUser" } | Sort-Object -Property UserPrincipalName Write-HostLog -Message "`nTotal MailUsers Found: $($MailUser.count)" -Status "Success" $ConfirmCount = Read-Host "Do you want to split the count?:(y/n)" if ($ConfirmCount -eq 'y') { Write-HostLog "You need the 'StartNumber' and 'EndNumber' to split the accounts" Write-HostLog "################## FOR EXAMPLE ##############################" Write-HostLog "If you want to run for first 1000 users" Write-HostLog "Enter 'StartNumber' as '0' and 'EndNumber' as '999'`n" Write-HostLog "If you want to run for second 1000 users" Write-HostLog "Enter 'StartNumber' as '1000' and 'EndNumber' as '1999' and so on...`n" Write-HostLog "#############################################################`n" $StartNumber = Read-Host "Enter StartNumber" $EndNumber = Read-Host "Enter EndNumber" Write-Host "`n" $MailUser = $MailUser[$StartNumber..$EndNumber] } if ($ConfirmCount -eq 'n' -or $ConfirmCount -eq 'y') { $i = 1 $Total = $MailUser.Count ForEach ($CurMailUser in $MailUser) { if ($CurMailUser.PrimarySmtpAddress -notlike $RoutingDomain) { $MailUsrPrimary = $CurMailUser.PrimarySmtpAddress.Split("@")[0] + $DomainSuffix Try { Set-MailUser -Identity $($CurMailUser.PrimarySmtpAddress) -WindowsEmailAddress $MailUsrPrimary -ErrorAction Stop Write-HostProgress -Message "$($CurMailUser.PrimarySmtpAddress)" -Status "Success" -Total $Total -Count $i } catch { Write-HostProgress -Message "$($CurMailUser.PrimarySmtpAddress)" -Status "Failed" -Total $Total -Count $i } Start-Sleep -Seconds 2 } else { Write-HostLog -Message "No Primary Flip Required: $($CurMailUser.PrimarySmtpAddress)" -Status "Neutral" } $i++ } } Write-HostLog -Message "`nMailUsers Completed`n" } if ($RemoveMbxProxy) { $Mailbox = Get-Mailbox -ResultSize Unlimited | Sort-Object -Property UserPrincipalName Write-HostLog -Message "`nTotal Mailboxes Found: $($Mailbox.count)" -Status "Success" $ConfirmCount = Read-Host "Do you want to split the count?:(y/n)" if ($ConfirmCount -eq 'y') { Write-HostLog "You need the 'StartNumber' and 'EndNumber' to split the accounts" Write-HostLog "################## FOR EXAMPLE ##############################" Write-HostLog "If you want to run for first 1000 users" Write-HostLog "Enter 'StartNumber' as '0' and 'EndNumber' as '999'`n" Write-HostLog "If you want to run for second 1000 users" Write-HostLog "Enter 'StartNumber' as '1000' and 'EndNumber' as '1999' and so on...`n" Write-HostLog "#############################################################`n" $StartNumber = Read-Host "Enter StartNumber" $EndNumber = Read-Host "Enter EndNumber" Write-HostLog -Message "`n" $Mailbox = $Mailbox[$StartNumber..$EndNumber] if ($ConfirmCount -eq 'n' -or $ConfirmCount -eq 'y') { $i = 1 $Total = $Mailbox.Count ForEach ($CurMailbox in $Mailbox) { if ($CurMailbox.PrimarySmtpAddress -like $RoutingDomain) { $ProxyAddress = $CurMailbox.EmailAddresses | Where-Object { $_ -notlike $WildCardDomain -and $_ -like "smtp*" } Write-HostLog -Message "`tAddresses Found for user $($CurMailbox.PrimarySmtpAddress): $($ProxyAddress.count)" -Status "Success" ForEach ($CurProxyAddress in $ProxyAddress) { try { Set-Mailbox -Identity $CurMailbox.PrimarySmtpAddress -EmailAddresses @{Remove = $CurProxyAddress } -ErrorAction Stop Write-HostProgress -Message "`t`tRemoving $CurProxyAddress " -Status "Success" -Total $Total -Count $i } catch { Write-HostProgress -Message "`t`tRemoving $CurProxyAddress " -Status "Failed" -Total $Total -Count $i } Start-Sleep -Seconds 2 } } $i++ } } Write-HostLog -Message "`nProxies removed from Mailboxes`n" } } if ($RemoveMailUserProxy) { $MailUser = Get-MailUser -ResultSize unlimited | Where-Object { $_.RecipientTypeDetails -ne "GuestMailUser" } | Sort-Object -Property UserPrincipalName Write-HostLog -Message "`nTotal MailUsers Found: $($MailUser.count)" -Status "Success" $ConfirmCount = Read-Host "Do you want to split the count?:(y/n)" if ($ConfirmCount -eq 'y') { Write-HostLog "Please provide a 'StartNumber' and 'EndNumber' to split the accounts" Write-HostLog "################## FOR EXAMPLE ##############################" Write-HostLog "If you want to run for first 1000 users" Write-HostLog "Enter 'StartNumber' as '0' and 'EndNumber' as '999'`n" Write-HostLog "If you want to run for second 1000 users" Write-HostLog "Enter 'StartNumber' as '1000' and 'EndNumber' as '1999' and so on...`n" Write-HostLog "#############################################################`n" $StartNumber = Read-Host "Enter StartNumber" $EndNumber = Read-Host "Enter EndNumber" Write-HostLog -Message "`n" $MailUser = $MailUser[$StartNumber..$EndNumber] } if ($ConfirmCount -eq 'n' -or $ConfirmCount -eq 'y') { $i = 1 $Total = $MailUser.count ForEach ($CurMailUser in $MailUser) { if ($CurMailUser.PrimarySmtpAddress -like $RoutingDomain) { $MailUserProxy = $CurMailUser.EmailAddresses | Where-Object { $_ -notlike $WildCardDomain -and $_ -like "smtp*" } Write-HostLog -Message "`tDomains Found for user: $($MailUserProxy.count)" -Status "Success" ForEach ($CurMailProxy in $MailUserProxy) { try { Set-MailUser -Identity $CurMailUser.PrimarySmtpAddress -EmailAddresses @{Remove = $CurMailProxy } -ErrorAction Stop Write-HostProgress -Message "`t`tRemoving $CurMailProxy" -Status "Success" -Total $Total -Count $i } catch { Write-HostProgress -Message "`t`tRemoving $CurMailProxy" -Status "Failed" -Total $Total -Count $i } Start-Sleep -Seconds 2 } } $i++ Start-Sleep -Seconds 5 } } Write-HostLog -Message "`nProxies removed from MailUsers`n" } if ($FlipDLPrimary) { $DistributionGroup = Get-DistributionGroup -ResultSize unlimited | Sort-Object -Property PrimarySmtpAddress Write-HostLog -Message "`nTotal Distribution Groups Found: $($DistributionGroup.count)" -Status "Success" $i = 1 $Total = $DistributionGroup.Count ForEach ($CurDistributionGroup in $DistributionGroup) { if ($CurDistributionGroup.PrimarySmtpAddress -notlike $RoutingDomain) { $NewDLPrimary = $CurDistributionGroup.PrimarySmtpAddress.Split("@")[0] + $DomainSuffix try { Set-DistributionGroup -Identity $($CurDistributionGroup.PrimarySmtpAddress) -PrimarySmtpAddress $NewDLPrimary -ErrorAction Stop Write-HostProgress -Message "$($CurDistributionGroup.PrimarySmtpAddress)" -Status "Success" -Total $Total -Count $i } catch { Write-HostProgress -Message "$($CurDistributionGroup.PrimarySmtpAddress)" -Status "Failed" -Total $Total -Count $i } Start-Sleep -Seconds 2 } else { Write-HostLog -Message "No Primary Flip required: $($CurDistributionGroup.PrimarySmtpAddress)" -Status "Neutral" } $i++ } Write-HostLog -Message "`nFlipping Primary for Distribution Groups is Complete`n" } if ($FlipUGPrimary) { $UnifiedGroup = Get-UnifiedGroup -ResultSize unlimited | Sort-Object -Property PrimarySmtpAddress Write-HostLog -Message "`nTotal Office 365 Groups (Unified Groups) Found: $($UnifiedGroup.count)" -Status "Success" $i = 1 $Total = $UnifiedGroup.Count ForEach ($CurUnifiedGroup in $UnifiedGroup) { if ($CurUnifiedGroup.PrimarySmtpAddress -notlike $RoutingDomain) { $NewUGPrimary = $CurUnifiedGroup.PrimarySmtpAddress.Split("@")[0] + $DomainSuffix try { Set-UnifiedGroup -Identity $($CurUnifiedGroup.PrimarySmtpAddress) -PrimarySmtpAddress $NewUGPrimary -ErrorAction Stop Write-HostProgress -Message "$($CurUnifiedGroup.PrimarySmtpAddress)" -Status "Success" -Total $Total -Count $i } catch { Write-HostProgress -Message "$($CurUnifiedGroup.PrimarySmtpAddress)" -Status "Failed" -Total $Total -Count $i } Start-Sleep -Seconds 2 } else { Write-HostLog -Message "No Primary Flip required: $($CurUnifiedGroup.PrimarySmtpAddress)" -Status "Neutral" } $i++ } Write-HostLog -Message "`nFlipping Primary for O365 Groups is Complete`n" -Status "Success" } if ($RemoveUGProxy) { $UnifiedGroup = Get-UnifiedGroup -ResultSize unlimited | Sort-Object -Property PrimarySmtpAddress Write-HostLog -Message "`nTotal O365 Groups Found: $($UnifiedGroup.count)" -Status "Success" $i = 1 $Total = $UnifiedGroup.Count ForEach ($CurUnifiedGroup in $UnifiedGroup) { if ($CurUnifiedGroup.PrimarySmtpAddress -like $RoutingDomain) { $ProxyUGAddress = $CurUnifiedGroup.EmailAddresses | Where-Object { $_ -notlike $WildCardDomain -and $_ -like "smtp*" } Write-HostLog -Message "`tDomains Found for O365 Group $($CurUnifiedGroup.PrimarySmtpAddress): $($ProxyUGAddress.count)" -Status "Success" ForEach ($CurProxyUGAddress in $ProxyUGAddress) { try { Set-UnifiedGroup -Identity $CurUnifiedGroup.PrimarySmtpAddress -EmailAddresses @{Remove = $CurProxyUGAddress } -ErrorAction Stop Write-HostProgress -Message "t`tRemoving $CurProxyUGAddress" -Status "Success" -Total $Total -Count $i } catch { Write-HostProgress -Message "t`tRemoving $CurProxyUGAddress" -Status "Failed" -Total $Total -Count $i } Start-Sleep -Seconds 2 } } $i++ } Write-HostLog -Message "`nProxies removal task from O365 Groups is Complete`n" } if ($RemoveDLProxy) { $DistributionGroup = Get-DistributionGroup -ResultSize unlimited | Sort-Object -Property PrimarySmtpAddress Write-HostLog -Message "`nTotal Distribution Groups Found: $($DistributionGroup.count)" -Status "Success" $Total = $DistributionGroup.Count ForEach ($CurDistributionGroup in $DistributionGroup) { if ($CurDistributionGroup.PrimarySmtpAddress -like $RoutingDomain) { $ProxyDLAddress = $CurDistributionGroup.EmailAddresses | Where-Object { $_ -notlike $WildCardDomain -and $_ -like "smtp*" } Write-HostLog -Message "`tDomains Found for DL $($CurDistributionGroup.PrimarySmtpAddress): $($ProxyDLAddress.count)" -Status "Success" ForEach ($CurProxyDLAddress in $ProxyDLAddress) { try { Set-DistributionGroup -Identity $CurDistributionGroup.PrimarySmtpAddress -EmailAddresses @{Remove = $CurProxyDLAddress } -ErrorAction Stop Write-HostProgress -Message "t`tRemoving $CurProxyDLAddress" -Status "Success" -Total $Total -Count $i } catch { Write-HostProgress -Message "t`tRemoving $CurProxyDLAddress" -Status "Failed" -Total $Total -Count $i } Start-Sleep -Seconds 2 } } $i++ } Write-HostLog -Message "`nProxies removal task from Distribution Groups is Complete`n" -Status "Success" } } <# $mailboxList = Get-Mailbox -ResultSize unlimited foreach ($Mailbox in $mailboxList) { Write-Host "Mailbox: $($Mailbox.DisplayName)" foreach ($Email in $Mailbox.EmailAddresses | Where-Object { $_ -notmatch 'x500' -and $_ -match 'contoso.com' }) { try { Write-Host "Attemptingx: $Email" -ForegroundColor White Set-Mailbox -identity ($Mailbox.ExchangeObjectId).ToString() -EmailAddresses @{remove = '$Email' } -ErrorAction Stop Write-Host "Removing Email Succeeded: $Email" -ForegroundColor Green } catch { Write-Host "Removing Email Failed: $Email" -ForegroundColor Red $_.Exception.Message } } } #> |