Avatar of Jerry Seinfield
Jerry Seinfield asked on

Items to consider during and after an Office365 email domain change

Items to consider during and after an Office365 email domain change

Can you please indicate of service impact of renaming an email domain in Office365?

Any gotchas? best practices?

Microsoft 365ConsultingEmail ServersActive DirectoryExchange

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8/22/2022 - Mon

Hi Jerry,
I always create a transport role to send autoreply to the sender notifying there is a change in domain and advise him to send to the new domain.

Jerry Seinfield


What about service impact? any thoughts?

Scott Fell

I would keep the old domain as an alias and that will avoid any interruptions. 
I started with Experts Exchange in 2004 and it's been a mainstay of my professional computing life since. It helped me launch a career as a programmer / Oracle data analyst
William Peck
Jerry Seinfield

can you please elaborate on the alias portion? How to setup for all ms365 users?


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