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Always on basic availability group suppport deployment cross datacenters (multi subnet)

JUan Manuel Munayco Coronado 191 Reputation points
2021-07-28T02:39:35.567+00:00

Hi guys,

I need to implement SQL Always on for disaster recovery. I have to implement two nodes between two datacenter with different subnets. The version of SQL Server 2019 Standard edition.

I want to know if can to implement Always on basic availability group in this scenario. besides if there´s any limits / considerations about the implementation.

Thks for your opinion

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  1. AmeliaGu-MSFT 13,976 Reputation points Microsoft Vendor
    2021-07-28T06:23:46.837+00:00

    Hi ManuelMunayco-9878,
    Yes. We can implement Always on basic availability group on two nodes in multi subnet cluster.
    For Basic Always On availability group, here are some limitations we need to consider.

    118522-image.png

    For multi-subnet cluster, here are some considerations about IP address resource dependency and
    client recovery latency during failover.

    Best Regards,
    Amelia

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