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We have a hosted Exchange environment. &nbsp;This was setup by someone else who is no longer with the company. &nbsp;When you go to create a new user, there is a large list of domains to choose from( @here.com,@there.com, etc.) under the User Logon Name field. &nbsp; I have to add a new company, but I can't figure out how to add the new domain to that list.
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We have a hosted Exchange environment.  This was setup by someone else who is no longer with the company.  When you go to create a new user, there is a large list of domains to choose from( @here.com,@there.com, etc.) under the User Logon Name field.   I have to add a new company, but I can't figure out how to add the new domain to that list.

How to add new login domain name choice.

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.