Sys.availability_groups on SQL Server Scriptshttps://www.sqlserver70.com/tags/sys.availability_groups/Recent content in Sys.availability_groups on SQL Server ScriptsHugo -- gohugo.ioenSQLServer70.comSun, 13 Sep 2026 00:00:00 +0000Check AG Replica Health with sys.dm_hadr_availability_replica_stateshttps://www.sqlserver70.com/post/availability-group-health-dm-hadr-replica-states/Sun, 13 Sep 2026 00:00:00 +0000https://www.sqlserver70.com/post/availability-group-health-dm-hadr-replica-states/ <p>An Always On availability group can show green across every tile in the graphical dashboard and still be one dropped connection away from a failover nobody planned for. <a href="https://learn.microsoft.com/en-us/sql/relational-databases/system-dynamic-management-objects/always-on-availability-groups-dynamic-management-views-functions?view=sql-server-ver17">sys.dm_hadr_availability_replica_states</a> is the dynamic management view behind that dashboard tile, returning role, operational state, and synchronization health for every replica the local instance can see. Querying it from the right replica — the primary — is what turns that partial view into the full-group one this script is built around.</p>