But once the change is made, any authentication attempt from a Microsoft Office app or third-party product that connects to Office 365 will stop and cause significant disruption to the end users. IT administrators can implement modern authentication organization-wide with a simple PowerShell command or via the web admin portal. A switch to modern authentication is easy but preparation is neededĪ change to modern authentication on the Office 365 tenant is easy to implement and far more secure. Microsoft said it will permanently disable basic authentication for these protocols in the first week of January 2023. 1, Microsoft announced it will let customers re-enable basic authentication for selected protocols one time after the Oct. This change might cause issues for admins who have not fully evaluated their organization's infrastructure and prepared for the updated authorization and authentication protocols. 1 and make modern authentication mandatory to use the collaboration platform.

Microsoft will turn off basic authentication support in Office 365 on Oct. This responsibility requires them to take the steps to secure their environments, which also extends to the Office 365 tenant. IT administrators get constant reminders that security is one of their top priorities at every layer within the infrastructure.

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