change domain login for exchange server 2016

Hi Experts,
I have exchange server 2016 installed and working. The exchange is connected to the domain controller:
The exchange authentication uses the format:
Is it possible to change it to use: without the dc prefix?

Who is Participating?
Ibrahim BennaTechnology LeadCommented:
You can add a new domain suffix to active directory and then you will have to change all users' UPN to match this new domain.
☁ François Peroux ☁Infrastructure ConsultantCommented:
xtremerealityAuthor Commented:
Thank you, this is exactly what I need
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