Increased failures for Microsoft 365 Exchange protection on Polaris

Incident Report for Rubrik

Resolved

This incident has been resolved.
Posted Apr 27, 2021 - 05:47 UTC

Update

We are continuing to monitor for any further issues.
Posted Apr 27, 2021 - 04:16 UTC

Monitoring

Our engineering team has rolled out the mitigation and we are beginning to see signs of recovery from our monitoring.
We will continue to monitor and provide periodic updates until the issue is fully resolved.
Posted Apr 27, 2021 - 02:34 UTC

Update

We are continuing to work on a fix for this issue.
Posted Apr 26, 2021 - 19:34 UTC

Identified

The engineering team has identified a potential mitigation and is working to implement it.
The fix will be rolled out today, we will continuously monitor the service to evaluate the effectiveness of the mitigation.
Posted Apr 26, 2021 - 16:31 UTC

Update

Our engineering team is continuing to investigate this issue with Microsoft. We will provide an update as soon as we have more information.
Posted Apr 23, 2021 - 05:09 UTC

Update

Our engineering team is continuing to investigate the root cause of this issue.
Posted Apr 22, 2021 - 17:53 UTC

Update

Our engineering team is continuing to investigate this issue.
Posted Apr 22, 2021 - 02:05 UTC

Investigating

We are experiencing increased failures for Microsoft 365 Exchange protection on Polaris for some customers due to Microsoft API errors.

Symptoms: Exchange Mailbox backups might fail. This issue does not affect OneDrive and SharePoint backups.

Incident Start Time: We believe the impact began on 04/13/2021 09:05 PM UTC with the error rate increasing starting 04/20/2021.

Workaround: None at this time.

Our engineering team is closely working with Microsoft to investigate the issue and will provide an update as soon as we have more information.
Posted Apr 21, 2021 - 21:58 UTC