Exchange Server
A family of Microsoft client/server messaging and collaboration software.
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I have Exchange 2019 Onpremise configured. Client are connected with outlook. Everytime when using outlook, a square pop-up always rises and ask for username and password. Even if you enter those informations, it still showing the popup. How can i solve this?
Thanks.
Try Clear related data from Credential Manager.
then create New Outlook Profile and setup account on New Profile.