BUG: Switching Log Alert API Preference Changes All Alert Rule Names to GUIDs
Seemed safe enough, but this part is totally incorrect:
The process of moving alert rules from legacy Log Analytics Alert API does not involve changing your alert definition, query, or configuration in any way. Your alert rules and monitoring are unaffected and the alerts will not stop or be stalled, during or after the switch. The only change is a change in API preference and access to your rules via a new API.
The process of switching the API preference resulted in all of our Alert Rule names being changed to some combination of GUIDs, completely useless for anyone receiving those alerts.