Access Controls and Data Immutability
Securing the vault requires configuring administrative boundaries and retention rules to prevent data loss. Role-Based Access Control (RBAC) manages user permissions and restricts vault operations to authorized administrators. To defend against accidental or malicious deletion, Soft Delete keeps deleted backup data in a deleted state for 14 days at no extra cost. For organizations requiring strict compliance, Immutable vaults can be enabled to freeze recovery points so they cannot be deleted before their scheduled expiration date.
Encryption and Advanced Recovery
By default, Azure secures vault data at rest using platform-managed keys, but organizations can choose customer-managed keys (CMK) stored in Azure Key Vault for complete control. The vault integrates with Azure Site Recovery to orchestrate virtual machine replication and disaster recovery across regions. For enhanced resiliency, Cross Region Restore (CRR) allows users to restore data to a secondary paired region at any time, provided the vault is configured with GRS. Additionally, Cross Subscription Restore provides the flexibility to recover resources to different subscriptions within the same Microsoft Entra tenant.
Assess Prerequisites and Deployment Considerations
Regional and Storage Prerequisites
Deploying a Recovery Services vault requires evaluating several environment prerequisites before configuration begins. The vault must reside within a selected Subscription and Resource Group, and it must be deployed in the same geographic region as the target data sources. Administrators must select the storage replication type (GRS, LRS, or ZRS) before protecting any workloads, as the storage configuration locks permanently once data is present. GRS remains the default choice to replicate data to an Azure paired region, while LRS and ZRS offer localized alternatives.
Security Prerequisites for Encryption
To leverage advanced security features like customer-managed keys, specific infrastructure dependencies must be established before initiating any backups. The vault requires an enabled Managed Identity to authenticate with Azure Key Vault, which itself must have soft delete and purge protection enabled. The vault must also be granted precise permissions to access the encryption keys. Additionally, administrators should evaluate ransomware protections: soft delete is on by default, and immutable vault settings can be locked permanently to make them irreversible.
Network and Multi-Subscription Planning
In enterprise environments, connectivity and identity boundaries influence vault planning and execution. On-premises servers utilizing the Microsoft Azure Recovery Services (MARS) agent depend on secure internet access and outbound endpoint connectivity to communicate with Azure Backup services. Across subscriptions, administrators must configure proper RBAC permissions to support Cross Subscription Restore, allowing data to transition between different subscription boundaries. These considerations must be evaluated early to ensure the vault can support diverse workloads across the entire enterprise.
Deploying the Vault
To create a Recovery Services vault, administrators sign in to the Azure portal and navigate to the Business Continuity Center. Once the deployment completes, administrators should verify the resource in the notifications area and refresh the view if it does not appear immediately. Creating the vault involves several straightforward steps:
- Navigate to the Business Continuity Center dashboard and select the option to add a new vault.
- Choose the Recovery Services vault option to proceed to the configuration wizard.
- Define the required parameters, including the Subscription, Resource Group, unique Vault Name, and matching Region.
- Review the configured settings and select the creation option to provision the vault.
Establishing Policies and Protecting Workloads
After deploying the vault, administrators define how and when data is protected by configuring backup policies. To set up protection, navigate to the Backup center, click to add a backup, choose a datasource type such as Azure Virtual machines, and associate it with the new vault. The backup policy defines the execution schedule and retention lifecycle for the recovery points. By integrating these vaults with Azure Advisor, administrators can continuously scan their environment to identify unprotected virtual machines and maintain compliance with backup requirements.
Monitoring and Modification
Ongoing vault management involves monitoring jobs, modifying replication settings, and protecting against data tampering. Before starting any backups, administrators can modify the default GRS setting to LRS by accessing the vault properties and updating the backup configuration. To safeguard backups against ransomware, administrators can enable immutable vaults, which guarantees that recovery points cannot be deleted early. If a regional disaster occurs, enabling Cross Region Restore allows administrators to initiate a failover and restore resources directly in the secondary paired region.
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