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--- title: Support matrix for shared disks in Azure VM disaster recovery ms.reviewer: v-gajeronika description: This article summarizes the scenarios that shared disk in Azure Site Recovery supports for each workload type. ms.topic: article ms.date: 12/08/2025 ms.service: azure-site-recovery author: Jeronika-MS ms.author: v-gajeronika ms.custom: engagement-fy23, references_regions, linux-related-content # Customer intent: As a cloud architect, I want to understand the support matrix for shared disks in Azure Site Recovery, so that I can effectively plan and implement disaster recovery strategies for my virtual machine workloads. --- # Support matrix for Azure Site Recovery shared disks This article summarizes the scenarios that shared disk in Azure Site Recovery supports for each workload type. ## Supported scenarios The following table lists the supported scenarios for shared disk in Azure Site Recovery: | Scenarios | Supported workloads | | --- | --- | | Azure to Azure disaster recovery | Supported for Regional/Zonal disaster recovery - Azure to Azure | | Platform | Windows virtual machines | | Server SKU | Windows 2016 and later | | Clustering configuration | Active-Passive | | Clustering solution | Windows Server Failover Clustering (WSFC) | | Shared disk type | Standard and Premium SSD | | Disk partitioning type | Basic | ## Unsupported scenarios Following are the unsupported scenarios for shared disk in Azure Site Recovery: - Active-Active clusters - Protecting multiple clusters as a group - Protecting cluster + non-clustered virtual machines in a group - Non-clustered distributed appliances without using WSFC ## Disaster recovery support The following table lists the disaster recovery support for shared disk in Azure Site Recovery: | Disaster recovery support | Primary Disk Type | Site Recovery behavior | Target disk type | | --- | --- | --- | --- | | Zonal disaster recovery | ZRS | Not supported | | | Zonal disaster recovery | LRS | Supported | Target must be LRS | | Regional disaster recovery | ZRS | Supported | Target must be ZRS | | Regional disaster recovery | LRS | Supported | Target must be LRS | | Regional disaster recovery | LRS | Supported | ZRS | ## Next steps Learn about [setting up disaster recovery for Azure virtual machines using shared disk](./tutorial-shared-disk.md).