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How to configure High Availability on top of the SQL Server fail-over cluster for two different domains?

High Availability
#1

Hi Friends,

I have a requirement where client needs , to configure Always-on in two different domains where there are 2 nodes on each server and these nodes already has SQL server fail-over cluster configured. Client needs high availability to be configured on top of this fail-over cluster .Is this feasible? Can anyone please help .

Thanks in Advance

#2

I've used a third-party software to provide disk replication for a SQL Server failover cluster:

https://us.sios.com/products/sios-datakeeper/cluster/

I've not used it with Availability Groups, however, not sure if it's compatible.

See if this might be an option:

https://docs.microsoft.com/en-us/sql/database-engine/availability-groups/windows/domain-independent-availability-groups?view=sql-server-2017