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Update cache-how-to-zone-redundancy.md #123899

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Expand Up @@ -13,7 +13,7 @@ ms.date: 06/07/2022

In this article, you'll learn how to configure a zone-redundant Azure Cache instance using the Azure portal.

Azure Cache for Redis Standard, Premium, and Enterprise tiers provide built-in redundancy by hosting each cache on two dedicated virtual machines (VMs). Even though these VMs are located in separate [Azure fault and update domains](../virtual-machines/availability.md) and highly available, they're susceptible to datacenter level failures. Azure Cache for Redis also supports zone redundancy in its Premium and Enterprise tiers. A zone-redundant cache runs on VMs spread across multiple [Availability Zones](../reliability/availability-zones-overview.md). It provides higher resilience and availability.
Azure Cache for Redis Premium and Enterprise tiers provide built-in redundancy by hosting each cache on two dedicated virtual machines (VMs). Even though these VMs are located in separate [Azure fault and update domains](../virtual-machines/availability.md) and highly available, they're susceptible to datacenter level failures. Azure Cache for Redis also supports zone redundancy in its Premium and Enterprise tiers. A zone-redundant cache runs on VMs spread across multiple [Availability Zones](../reliability/availability-zones-overview.md). It provides higher resilience and availability.

## Prerequisites

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