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MFA SMS Error – Error Code: 399287 – Request for Phone Reputation Reset

Balazs Kek 0 Reputation points
2025-11-20T16:22:12.21+00:00

Error Code: 399287

Request Id: 8ff66290-f7c1-458e-bb82-e96c87e11000

Correlation Id: 648fd8b2-<removed PII>

Timestamp: 2025-11-20T16:21:40Z

Microsoft 365 and Office | Other
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  1. John Oliver 11,650 Reputation points Independent Advisor
    2025-11-20T17:03:55.3733333+00:00

    Hello alazs Kek, Thanks for posting this in our community.

     

    This thread answers might help resolving your issue. Option 1: Request MFA Reset via Microsoft Global Customer Service.

    Kind regards,

    John Oli

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  2. AI answer

    2025-11-20T16:22:30.0866667+00:00

    The error code 399287 is not specifically listed in the provided context regarding SMS error codes or Multi-Factor Authentication (MFA) issues. Therefore, I cannot provide a direct explanation or resolution for this specific error code.

    For issues related to MFA or SMS delivery, it is recommended to check the Azure documentation or contact Microsoft support for assistance. They can provide guidance based on the specific request and correlation IDs you have provided.

    References:

    AI-generated content may be incorrect. Read our transparency notes for more information.

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