Incident report · read from Google's status page

Google incident: We are experiencing an issue with NotebookLM

Resolved after 4 h 23 m (11 Sep 2025, 17:04–21:27 UTC), impact minor, affecting Gemini Notebook.

Timeline

  1. identified

    Summary: We are experiencing an issue with NotebookLM Description: We are experiencing an issue with AudioOverview, VideoOverview, NAPPS (Notebook Apps) for NotebookLM users, beginning on Thursday, 2025-09-11 10:04 PDT. Mitigation work is currently underway by our engineering team. We do not have a full mitigation ETA at this time. We will provide an update by Thursday, 2025-09-11 15:00 PDT with current details. Symptoms: NotebookLM users may see failures to generate: Audio Overviews Video Overviews Reports Flashcards Quizzes Features launched earlier this week have been rolled back for now. (Quizzes, Flashcards, Reports) (https://blog.google/technology/google-labs/notebooklm-student-features/) Any previously generated artifacts are accessible. All other features and CUJs are believed to be working. E.g. text Q&A chat, adding sources should work Workaround: None at this time.

  2. resolved

    Summary: NotebookLM users may have encountered failures when generating some features. Description: The issue with Audio Overviews and Video Overviews has been resolved for all affected users as of Thursday, 2025-09-11 14:27 PDT. We thank you for your patience while we worked on resolving the issue. Symptoms: NotebookLM users may have encountered failures to generate: Audio Overviews Video Overviews Reports Flashcards Quizzes Features launched earlier this week (Quizzes, Flashcards, Reports) have been temporarily rolled back as part of the mitigation. (https://blog.google/technology/google-labs/notebooklm-student-features/) Any previously generated artifacts were accessible. All other features and CUJs were unaffected by this issue; e.g. Text Q&A chat, adding sources.

Affected components

Source

Google's own report of this incident, on Google's status page. This page is a record of Google's own report; where the two disagree, theirs is right.

Last checked .

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