Microsoft Teams login failure in Edge or Internet Explorer

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Issue: While trying to sign into Microsoft Teams using Microsoft Edge or Internet Explorer, the site continually loops, and does not sign in.
This might occur if your organization uses the trusted sites feature in Internet Explorer and hasn't enabled the URLs for Microsoft Teams. The sign-in fails since the trusted sites for Teams are not enabled.

Solution: Change Internet Explorer or Edge settings using administrator rights or a Group Policy object (GPO).

Internet Explorer

  1. Select Privacy > Advanced in the internet options window.
  2. Select Accept for First-party Cookies and Third-party Cookies, and select the Always allow session cookies check box.
  3. In the Internet Options window, select Security > Trusted Sites > Sites.
  4. Add the following sites:
    • https://*.microsoft.com
    • https://*.microsoftonline.com
    • https://*.teams.skype.com
    • https://*.teams.microsoft.com
    • https://*.sfbassets.com
    • https://*.skypeforbusiness.com

Microsoft Edge

  1. Select Site permissions > Cookies and site data in the Edge Settings window,
  2. Turn on Allow sites to save and read cookie data (recommended) and make sure Block third-party cookies is turned off.
  3. In the same window, under Allow, select Add to add the following sites:
    • [*.]microsoft.com
    • [*.]microsoftonline.com
    • [*.]teams.skype.com
    • [*.]teams.microsoft.com
    • [*.]sfbassets.com
    • [*.]skypeforbusiness.com

Manage Microsoft Teams with M365 Manager Plus.

M365 Manager Plus can help you effectively manage your Teams environment. It is a complete Microsoft 365 administrative solution that offers an extensive set of features to effortlessly manage Microsoft Teams from a single, user-friendly console.

Bulk management: Create, update and delete teams, channels, team members, team policies, and more, in bulk by importing a simple CSV file.

Detailed reporting: Gain deep insights into team sizes, user activity, device usage, and more, with pre-configured reports.

Granular auditing: Detect unusual activities or events by auditing team creation, user sign-ins, channel creation, and more.

24x7 monitoring: Ensure around-the-clock monitoring of Microsoft Teams' features and endpoints.

Instant alerting: Get real-time notifications for critical events via email. Configure custom alert profiles for Microsoft Teams activities.

Task automation: Automate repetitive management tasks with customized automation policies to save time and enhance productivity.

Help desk delegation: Create custom help desk roles and delegate Teams management, auditing, and more, to non-admin users to reduce admin workload.

To know more about managing your Microsoft 365 environment using M365 Manager Plus, click here.

Why businesses choose M365 Manager Plus?

What our customers say

  • We can now effectively reconcile which licenses we are using in the organization and assign the cost to the business unit. We were also able to identify a number of license changes that could be put in place that reduced our total Microsoft 365 spending.

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    Group IT/IS manager at The Eclipse Group, United Arab Emirates

  • M365 Manager Plus is valuable to our future business and, most importantly, it allows me to keep improving the level of service we provide.

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    Sunstar Suisse S.A.

  • Our firm purchased ManageEngine M365 Manager Plus to help us protect our business from email-borne cyberthreats. We are absolutely satisfied with the features and ease of use. It has surpassed our expectations.

    Insurance agent
    Security and risk management Gartner review

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