windows security pop up

L_MO@ 0 Reputation points

we have Microsoft Exchange 2019 on -premise . when I added another mailbox in my outlook, windows security credential pop up appear constantly. what should I do ?

Windows Server 2019
Windows Server 2019
A Microsoft server operating system that supports enterprise-level management updated to data storage.
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Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
430 questions
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  1. Hania Lian 10,021 Reputation points Microsoft Vendor


    Here are some steps you can try:

    1. Verify that the login credentials you are using are correct and have the necessary permissions to access the mailbox.
    2. Check your network connectivity and ensure that you have a stable internet connection.
    3. Ensure that your Outlook settings are configured correctly. You can try removing and re-adding the mailbox to Outlook to see if that resolves the issue.
    4. If the issue persists, you can try resetting the Windows credentials cache by going to Control Panel > User Accounts > Credential Manager > Windows Credentials, and then removing any stored credentials related to your Exchange server.

    Best Regards,

    Hania Lian


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