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Microsoft 365 - Unable to log into Outlook on the web due to network or DNS errors

If you are unable to log into your UW-Madison Office 365 account via a web browser due to a DNS error, please review the information below. The issue may be related to the network you are connected to.

Possible DNS error

dns error

Important: this error may be due to an invalid network configuration within your computer/network you are connected to. If your computer is not connected to UWNET/UW-Madison campus network, please try the workarounds below.

  • Log into MyUW (https://my.wisc.edu) and launch Outlook on the web from the MyUW email widget.

  • Reset/Flush your computer DNS (highly recommended you perform this step per guidance from help desk support staff)

    If this resolves your problem, no need to continue.

  • Renewing your computer IP address (DHCP) (highly recommended you perform this step per guidance from help desk support staff)

    If this resolves your problem, no need to continue.

  • Reset your internet modem/router (highly recommended you perform this step per guidance from help desk support staff)

    If this resolves your problem, no need to continue.

  • Connect to the Internet through WiscVPN (Recommended)

    If this resolves your problem, no need to continue.

  • Update your computer's DNS server settings (contact your local network administrators before making this change)
    Add the following Google Public DNS server addresses:
    • 8.8.8.8 (primary)
    • 8.8.4.4 (alternate)


Keywords:
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Doc ID:
78362
Owned by:
O365 S. in Microsoft 365
Created:
2017-11-21
Updated:
2023-02-02
Sites:
DoIT Help Desk, Microsoft 365