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Issue with SMS authentication (Error Code: 399287)

Da HoVan 0 Reputation points
2025-12-29T04:23:30.8333333+00:00

I'm having a issue about SMS auth MFA; I just created a new O365 tenant, but the MFA SMS feature isn't working. You can message me privately for more details. Thanks

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Microsoft Security | Microsoft Authenticator
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