05-27-2025 04:50 AM
Dear All,
Currently, we are running Cisco ECE 12.6.1 ES9 ET3 with on-prem email integration (Single Email Aliases). Now we are looking for the best practice and advice for the following requirement.
We need to create another Email alias; the existing one with an On-Prem email exchange (Working), and the second email alias needs to be integrated with Outlook 365 in the Cloud.
Please let me know does Cisco ECE will support On-prem + Cloud exchange integration with Configure Multiple Email Aliases. If yes, please share some insights on this.
05-27-2025 05:30 AM
this doc is a good start: https://community.cisco.com/t5/collaboration-knowledge-base/oauth-2-0-configuration-with-cisco-enterprise-chat-and-email-ece/ta-p/4766276
Our fellow community member, @piyush aghera put together a nice doc, but seems to have some issues loading. Try this, https://www.voiptechwikis.com/ece-oauth-config/ and if that doesnt work, try this and wait for it to load https://web.archive.org/web/20241112115515/https://www.voiptechwikis.com/ece-oauth-config/
05-27-2025 07:09 AM
Thanks Omar. The document over there was created for ECE 11.6, though many of the steps remain same. Here's more latest one with ECE 12.6:
Look for section - About Email Accounts
I see Ramamoorthy has ES9 ET3, I would suggest to install ES10 as it fixes an issue related to timer mismatch between ECE and Microsoft. Due to this timer mismatch, you will not get proper error message from Microsoft when ECE fails to reach Authenticator services.
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