When is the Migration Window?
Eleven will be performing a migration of Reporting data from ElasticSearch to Open Search. An update is scheduled to start Wednesday, 11/5/2025, from 3:00 AM PST and will run for 8 hours.
Start Time by Region:
11/5/25 PST (US) 8:00 PM
11/6/25 UTC 4:00 AM
11/6/25 GMT 4:00 AM
11/6/25 CEST 5:00 PM
11/5/25 Eastern Time (US) 11:00 PM
11/6/25 JST 1:00 PM
11/6/25 AEDT/AEST 3:00 PM
What is the Expected Impact?
Duration: 8 Hours
Impact: This change will not affect authentication and will only affect Reports in session data, properties, devices, conferences, accounts, and passpoint-reporting (new devices, profiles, acct, auth, microsites). There will be no impact on already authenticated end users.
No actions need to be taken by integrators or end-users.
Please inform your support teams about this notice. If there are any changes, they will be announced in advance of the migration.
If there are any updates during the migration window, we will send out updated communication.
Alert Acknowledgement
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The Eleven Operations Team