AlwaysOn Availability Groups Designs

Here are some thoughts on how AlwaysOn Availability Groups on either a single or multi-subnet should be designed if 2 hosts are used.





Only the Host IP address is manually set in Network Connections on the Host and it typically has NIC teaming for redundancy.

The AG Listener and WSFC IP addresses can be thought of as virtual and are automatically created in DNS as part of their setup.

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