Public/Configuration/ExchangeOnline/BitTitan/Start-BitTitanPreperation.ps1
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function Start-BitTitanPreperation { param ( [Parameter(Mandatory)] [string]$TenantId ) Write-ModuleLog "Running BitTitan Preperation for $($TenantId)" -Level Info -Component 'BitTitanPreperation' try { Connect-CustomerExchange -CustomerTenantId $TenantId Connect-CustomerGraph -CustomerTenantId $TenantId $AdminAccount = Get-MgUser -Filter "startswith(UserPrincipalName,'jyskit-adm@')" -ErrorAction SilentlyContinue | Select-Object -ExpandProperty UserPrincipalName if (!$AdminAccount) { $AdminAccount = Read-Host "Please enter the admin account to use:" } Write-ModuleLog "Adding mailbox permissions.." -Level Info -Component 'BitTitanPreperation' Get-Mailbox -ResultSize Unlimited | Add-MailboxPermission -AccessRights FullAccess -AutoMapping $false -User $AdminAccount -WarningAction SilentlyContinue | Out-Null Write-ModuleLog "Setting max send/recieve size.." -Level Info -Component 'BitTitanPreperation' Get-MailboxPlan | Set-MailboxPlan -MaxSendSize 150MB -MaxReceiveSize 150MB -WarningAction SilentlyContinue | Out-Null Get-Mailbox | Set-Mailbox -MaxReceiveSize 150MB -MaxSendSize 150MB -WarningAction SilentlyContinue | Out-Null Write-ModuleLog "Enabling Organization customization.." -Level Info -Component 'BitTitanPreperation' Enable-OrganizationCustomization -ErrorAction SilentlyContinue Write-ModuleLog "Disabling Focused Inbox.." -Level Info -Component 'BitTitanPreperation' Set-OrganizationConfig -FocusedInboxOn $false Get-Mailbox -ResultSize Unlimited | Set-FocusedInbox -FocusedInboxOn $false | Out-Null Write-ModuleLog "Disabling TNEF.." -Level Info -Component 'BitTitanPreperation' Get-RemoteDomain | Set-RemoteDomain -TNEFEnabled:$false -WarningAction SilentlyContinue| Out-Null Write-ModuleLog "Successfully ran BitTitan Preperation for $($TenantId)" -Level Info -Component 'BitTitanPreperation' } catch { Write-ModuleLog "Failed to run BitTitan Preperation for $($TenantId): $_" -Level Error -Component 'BitTitanPreperation' -ErrorRecord $_ -ThrowError } } |