Final Update: Sunday, 12 January 2020 00:34 UTC
We've confirmed that all systems are back to normal with no customer impact as of 01/11, 22:50 UTC. Our logs show the incident started on 01/11, 14:00 UTC and that during the 8 hours and 50 minutes that it took to resolve the issue customers experienced issues with creating or updating metric alert rules from Azure Portal, ARM Templates or Azure CLI.
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Root Cause: The failure was due to one of the backend services.
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Incident Timeline: 8 Hours & 50 minutes - 01/11, 14:00 UTC through 01/11, 22:50 UTC
We understand that customers rely on Metric Alerts as a critical service and apologize for any impact this incident caused.
-Jayadev
