Managed IT Services, Cyber Security, Backup

WORKS2011

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About to install the DUO OWA application on an on-premise exchange server and need to understand better the following:<br>- is there and option to remove DUO/2FA for some users while allowing it for others. <br>- how will it effect mobile phones already connected to exchange<br>- will it affect Outlook running on local computers<br>- anything else that may affect the overall on-premise exchange installation and end users. For obvious reasons don't want to create downtime prior to installation.&nbsp;
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About to install the DUO OWA application on an on-premise exchange server and need to understand better the following:
- is there and option to remove DUO/2FA for some users while allowing it for others.
- how will it effect mobile phones already connected to exchange
- will it affect Outlook running on local computers
- anything else that may affect the overall on-premise exchange installation and end users. For obvious reasons don't want to create downtime prior to installation. 

DUO and OWA - Overall Affects

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

Windows Server 2019

Security is the protection of information systems from theft or damage to the hardware, the software, and the information on them, as well as from disruption or misdirection of the services they provide. The main goal of security is protecting assets, and an asset is anything of value and worthy of protection.  Information Security is a discipline of protecting information assets from threats through safeguards to achieve the objectives of confidentiality, integrity, and availability or CIA for short. On the other hand, disclosure, alteration, and disruption (DAD) compromise the security objectives.