Microsoft made default SMB signing mandatory in a recent Windows 11 Canary build for Insiders. Today, the company has detailed a workaround and a "fix" for users who want access as guests.
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Guest access for Teams was supposed to roll out in June. Then it was delayed to September. Now we find out that the anticipated functionality for Microsoft accounts will be sometime next year.
Microsoft Teams now has the ability to add external guests to an organization chat room or workspace unlike previously where additions had to be members of the organization's Azure Directory.