Forum Discussion

Office365 Administrator's avatar
Office365 Administrator
Copper Contributor
Feb 24, 2017
Solved

Alternate UPN suffix across trusted domains

Morning all   Quick question (which will probably turn into a long drawn out one).   I have multiple domains, lets call them; CompanyA.local CompanyB.local CompanyC.local   We have a trust b...
office 365
  • NunoAriasSilva's avatar
    NunoAriasSilva
    Feb 24, 2017

    Correct Andy,

    Install AD Connect on the CompanyA.local, connect to the other domains also with the setup of AD Connect and setup the UPN on all domains to CompanyD.com.

Minesh Parbhoo's avatar
Minesh Parbhoo
Copper Contributor
Apr 12, 2017
Hi Nuno Currently we have a single ADConnect server synchronising both the Domains to Office 365. Even though the UPN suffix is added to 1 domain, can I add the same upn suffix on the other domain ??
NunoAriasSilva's avatar
NunoAriasSilva
MVP
Apr 12, 2017

Hi Minesh,

 

I never tried that scenario, but you could had a the new UPN and change just 1 user to test if it works and fits your needs.

Resources