Experiencing Data Access Issue in Azure and OMS portal for Syslog Data Type – 03/03 – Resolved

Final Update: Saturday, 03 March 2018 07:42 UTC

We've confirmed that all systems are back to normal with no customer impact as of 03/03, 06:15 PM UTC. Our logs show the incident started on 03/02, 06:15 AM UTC and that during the 12 hours that it took to resolve the issue 10 customers experienced issues while ingesting and viewing a particular data type: Syslog (LINUX_SYS_LOGS_TABLE) in Log Analytics.
  • Root Cause: The failure was due to a recent change in one of our dependent services.
  • Incident Timeline: 12 Hours - 03/02, 06:15 AM UTC through 03/03, 06:15 AM UTC

We understand that customers rely on Azure Log Analytics Service as a critical service and apologize for any impact this incident caused.


Update: Saturday, 03 March 2018 04:41 UTC

We continue to investigate issues within Log Analytics. Root cause is not fully understood at this time. Some customers may face issues while ingesting a particular data type: Syslog (LINUX_SYS_LOGS_TABLE) to Log Analytics.  We are working to establish the start time for the issue, initial findings indicate that the problem began at 03/02 ~06:15 AM UTC. We currently have no estimate for resolution.
  • Work Around: None
  • Next Update: Before 03/03 07:00 UTC


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