+In all regions (except Brazil South and Southeast Asia), Azure Data Factory data is stored and replicated in the [paired region](../availability-zones/cross-region-replication-azure.md#azure-paired-regions) to protect against metadata loss. During regional datacenter failures, Microsoft may initiate a regional failover of your Azure Data Factory instance. In most cases, no action is required on your part. When the Microsoft-managed failover has completed, you'll be able to access your Azure Data Factory in the failover region. For replication across non-paired regions, refer to [Cross-region replication for non-paired regions](/azure/reliability/cross-region-replication-azure-no-pair#azure-data-factory).
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