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**Summary** NotebookLM customers are experiencing an issue where account tiers are being incorrectly downgraded.…

Summary: NotebookLM customers are experiencing an issue where account tiers are being incorrectly downgraded. Affected Ultra & Pro tier users are seeing Free tier features. Description: We are continuing to investigate an issue with NotebookLM where customers may experience a temporary downgrade in their account tier. Our engineering team has identified a potential root cause related to a recent software update and is currently working on a mitigation plan. We will provide an update by Tuesday, 2026-05-19 20:30 PDT with current details. Customer Symtomps: Customers may notice lower resource limits (e.g., hitting limits for Studio artifacts, source count per notebook, etc) and the absence of premium features like advanced sharing and analytics. Workaround: None at this time

Resolved incidentMajor

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Timeline

Incident updates

Every update Google Workspace posted, oldest to newest, exactly as it appeared on their official status page.

  1. Investigating

    Summary

    NotebookLM customers are experiencing an issue where account tiers are being incorrectly downgraded. Affected Ultra & Pro tier users are seeing Free tier features.

    Description

    We are continuing to investigate an issue with NotebookLM where customers may experience a temporary downgrade in their account tier.

    Our engineering team has identified a potential root cause related to a recent software update and is currently working on a mitigation plan.

    We will provide an update by Tuesday, 2026-05-19 20:30 PDT with current details.

    Customer Symtomps

    Customers may notice lower resource limits (e.g., hitting limits for Studio artifacts, source count per notebook, etc) and the absence of premium features like advanced sharing and analytics.

    Workaround

    None at this time

  2. Monitoring

    Title

    NotebookLM customers are experiencing an issue where all premium account tiers are being incorrectly downgraded to free.

    Description

    We are continuing to investigate an issue with NotebookLM where customers may experience a temporary downgrade in their account tier.

    Our engineering team has identified a potential root cause related to a recent software update and is currently working on a mitigation plan.

    We will provide an update by Tuesday, 2026-05-19 22:00 PDT with current details.

    Symptoms

    Customers may notice lower resource limits (e.g., hitting limits for Studio artifacts, source count per notebook, etc) and the absence of premium features like advanced sharing and analytics.

    Workaround

    None at this time.

  3. Resolved

    Title

    NotebookLM customers may have experienced an issue where all premium account tiers are being incorrectly downgraded to free.

    Description

    The issue with NotebookLM has been resolved for all affected users as of Tuesday, 2026-05-19 21:04 PDT.

    From preliminary analysis, the issue was triggered by a recent software update resulting in accounts on premium plans being incorrectly recognized as free accounts.

    The issue was mitigated by restoring the system to a previous stable state, which successfully reinstated the appropriate service tiers for all affected accounts.

    We thank you for your patience while we worked on resolving the issue.

    Symptoms

    Customers may have noticed lower resource limits (e.g., hitting limits for Studio artifacts, source count per notebook, etc) and the absence of premium features like advanced sharing and analytics.

    Workaround

    None at this time.

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