this question was asked twice here but still there is no satisfied answer. Could someone explain the main difference between these two timeouts?
SQL Server AlwaysON – Difference Between Lease Timeout and HealthCheck Timeout
availability-groupsclusteringfailoversql servertimeout
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Best Answer
Google took me straight here :-
https://docs.microsoft.com/en-us/sql/database-engine/availability-groups/windows/availability-group-lease-healthcheck-timeout?view=sql-server-ver15