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Changing Name Space of Exchange 2016

Asif janjua 21 Reputation points
2021-03-30T12:05:00.083+00:00

We have Exchange name space ( mail.domain-abc.com and autodiscover ( autodiscover.domain-abc.com ).

Due to change in company, we would like to change the name space to ( mail.domain-xyz.com and autodiscover-xyz.com).

I will apply the new certificate and will change the virtual directories URLs.

But actual concern is that outlook clients would require to reconfigure or they will automatically pickup the new name space. Like currently outlook is pointed to under account settings to ( https://mail.domain-abc.com). What will happen once i set the new URL ( NameSpace) to ( https://mail.domain-xyz.com).

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.

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  1. Andy David - MVP 159.7K Reputation points MVP Volunteer Moderator
    2021-03-30T12:16:43.087+00:00

    In these cases, Outlook should pick up the new settings and be ok. However, users may get a popup requiring them to restart Outlook ( An Administrator has made a change...) or in some cases, a new profile may be required unfortunately.

    I assume you are also changing the internal SCP: 

    Set-ClientAccessService -Identity "MBX-01" -AutoDiscoverServiceInternalUri "https://mbx01.contoso.com/autodiscover/autodiscover.xml" -AutoDiscoverSiteScope "Mail"

    https://learn.microsoft.com/en-us/powershell/module/exchange/set-clientaccessservice?view=exchange-ps

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