## Automating Litigation Hold with Managed Identity: A Step-by-Step Guide 📣 Great News: Managed Identities Now Compatible with Exchange Online PowerShell Module! It's now possible to seamlessly utilize managed identities with the Exchange Online PowerShell module, enabling secure assignment of the Exchange Administrator role and safe operation in your environment. For additional information and to commence, refer to the resource: Connect to Exchange Online PowerShell using managed identity With the introduction of the new command "Connect-ExchangeOnline -ManagedIdentity -Organization," establishing a secure connection has become more straightforward. Leverage the capabilities of managed identities to enhance your Exchange Online PowerShell experience! Using these new features we can automate litigation hold management! By combining the superpowers of Azure Automation and Managed Identity, you can automate this process and save valuable time while ensuring security and compliance. Let's dive into the steps to set it up! ### Step 1: Create Azure Automation Account Start by creating an Azure Automation Account in your Azure portal. This account will serve as the central hub for your automation tasks. You can follow the instructions provided in the official Microsoft documentation [here](https://docs.microsoft.com/azure/automation/quickstart-create-account). You can do this in the shell with Powershell #### Powershell ```powershell # Set your Variables $subscriptionID = "" $rg = "" $automationname = "" $location = "" ``` #### Azure CLI ```bash # Set your Variables subscriptionID="" rg="" automationname="" location="" ``` Replace ``, ``, ``, and `` with your actual Subscription ID, Resource Group name, Automation Account name, and Azure location (like "West US", "East US", etc.). #### Powershell ```powershell # Login to your Azure account Connect-AzAccount # Select the subscription where you want to create the Automation Account Select-AzSubscription -SubscriptionId $subscriptionID # Create a new resource group (if needed) New-AzResourceGroup -Name -Location # Create the Automation Account New-AzAutomationAccount -ResourceGroupName -Name -Location -Plan Basic ``` #### Azure CLI ```bash # Login to your Azure account az login # Select the subscription where you want to create the Automation Account az account set --subscription $subscriptionID # Create a new resource group (if needed) az group create --name --location # Create the Automation Account az automation account create --name --resource-group --location ``` ### Step 2: Assign Managed Identity with Exchange Administrator Role Within your Azure Automation Account, assign a Managed Identity with the Exchange Administrator role. This ensures that your automation solution has the necessary permissions to interact with Exchange services. Microsoft provides detailed guidance on how to assign roles to a Managed Identity [here](https://docs.microsoft.com/azure/active-directory/managed-identities-azure-resources/how-to-manage-ua-identity-portal). ```Powershell # Get the Automation Account $automationAccount = Get-AzAutomationAccount -ResourceGroupName -Name # Get the system-assigned managed identity $managedIdentity = $automationAccount.Identity # Output the managed identity $managedIdentity ``` I don't have the Azure CLI code to hand, use powershell or follow the guide or try writing your own 😜 ### Step 3: Create Runbook Next, create a Runbook within your Azure Automation Account. This Runbook will contain the script or code that will execute the litigation hold actions. Microsoft offers a comprehensive guide on how to create and manage Runbooks in Azure Automation [here](https://docs.microsoft.com/azure/automation/automation-first-runbook-textual-powershell). ```Powershell $runbookName = "" $runbookType = "PowerShell" # Create the runbook New-AzAutomationRunbook -AutomationAccountName $automationname -Name $runbookName -Type $runbookType -ResourceGroupName $rg ``` ### Step 4: Setup Your Litigation Hold Script In the Runbook, implement the script or code that will place and manage litigation hold. Utilize the Exchange PowerShell module and authenticate using the Managed Identity credentials. ### Litigation hold script ```powershell #Create Array for Changes $LitigationHoldChanges = @() # Connect to MS Exchange Connect-ExchangeOnline -ManagedIdentity -Organization citadelcloud.onmicrosoft.com # Get all users in your organization $AllUsers = Get-Mailbox -ResultSize Unlimited # Loop through each user and enable litigation hold if not already enabled foreach ($User in $AllUsers) { $UserPrincipalName = $User.UserPrincipalName $LitigationHoldEnabled = $User.LitigationHoldEnabled if (-Not $LitigationHoldEnabled) { # Enable litigation hold for the user $Result = Set-Mailbox $UserPrincipalName -LitigationHoldEnabled $true -ErrorAction "SilentlyContinue" # If the litigation hold was successfully enabled, add the user to the changes array if ($Result -ne $null) { Write-Host "Litigation hold enabled for: $UserPrincipalName" #Update Array $LitigationHoldChanges += [PSCustomObject]@{ UserPrincipalName = $UserPrincipalName Action = "Enabled" Timestamp = Get-Date } } } } # Output the user changes to the console $LitigationHoldChanges | Format-Table ``` ### Step 5: Setup Runbook and Schedule To setup your runbook import your Litigation Hold Script ```Powershell $RunbookPath = "C:\Runbooks\" # Specify the path to your runbook script # Create the new runbook New-AzAutomationRunbook -ResourceGroupName $rg -AutomationAccountName $AutomationAccount -Name $RunbookName -Type $RunbookType -Path $RunbookPath ``` Configure the schedule for your Runbook. Decide how frequently you want the script to run and set the appropriate schedule within Azure Automation. ```powershell # Find the next Sunday from the current date $nextSunday = (Get-Date).Date.AddDays((7 - (Get-Date).DayOfWeek.value__ + [DayOfWeek]::Sunday.value__) % 7) # Set the start time to the next Sunday at 8 PM $startTime = $nextSunday.AddHours(20) # Create the schedule $schedule = New-AzAutomationSchedule -AutomationAccountName $automationname -Name $scheduleName -StartTime $startTime -Frequency "Week" -Interval 1 -ResourceGroupName $rg # Register the runbook with the schedule Register-AzAutomationScheduledRunbook -AutomationAccountName $automationname -Name $runbookName -Schedule $schedule -ResourceGroupName $rg ``` This code will run it weekly on Sundays. If you want to set a different schedule try the portal you may find it easier ### Step 6: Enjoy a Coffee Sit back, relax, and enjoy a cup of coffee while Azure Automation takes care of automating your litigation hold processes. With Managed Identity granting secure access and the power of automation, you can focus on other important tasks knowing that your litigation hold is being handled efficiently.

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