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MC1310684 Prevent or fix issuesUpdated messageUser impactAdmin impact

OneDrive for Business: Bug fixes to ensure storage quota aligns with license limits

Microsoft 365 Message Center Archive by Merill Fernando · Microsoft may not have sent this notice to your tenant.
SharePoint Online
Microsoft 365 admin center

Microsoft asks admins to prevent or fix an issue. Read what it asks below and check the linked documentation; whether your tenant is affected is not known here.

Schedule dates changed in the text

Date phrases in schedule sentences differ between the versions this installation saw
  • Seen 3 Jun 2026 late May 2026, June 2026 → early July 2026, mid-July 2026

Read from date phrases in Microsoft's text, not from notice metadata. A changed phrase can be a moved rollout, a new milestone or just rewording; "What changed" below shows which.

What the notice says

Microsoft’s text, with source markup removed
Updated June 3, 2026: We have updated the content and timeline. We are not proceeding with gov clouds at this time. We apologize for any inconvenience.  Introduction We’re fixing issues in the way OneDrive for Business applies user storage quotas to ensure they are consistently aligned with license entitlements and current product behavior. This change fixes an issue where user-specific storage limits could be incorrectly applied during quota refreshes, which could result in inaccurate storage enforcement. These updates help ensure predictable storage behavior and improve reliability for admins managing storage at scale. These fixes will be beneficial to admins, but there is a small percentage of users who will have their OneDrive for Business storage quota adjusted to match their license entitlement.  When this will happen General Availability (Worldwide): We will begin rolling out early July 2026 (previously late May) and expect to complete in mid-July 2026 (previously June). How this affects your organization Who is affected Microsoft 365 tenants using OneDrive for Business Users who are currently over the OneDrive for Business storage quota allowed by their assigned license or extended storage  Admins who have set user-specific storage limits above licensed entitlements or extended storage  What will happen User storage quotas will be re-evaluated against license limits during the refresh process. Users whose OneDrive for Business storage usage exceeds their licensed quota will be placed into a read-only state per existing policy, which temporarily restricts write access to existing OneDrive content until storage usage is remediated. This includes scenarios where:An admin-set user quota exceeds the license allowance, or A user with an EDU license exceeds their licensed storage limit. No changes are made for users who are within their licensed storage limits. What you can do to prepare Identify users exceeding OneDrive for Business licensed storage limitsReview OneDrive storage usage across your organization to identify users whose usage exceeds their licensed quota. Use Identify OneDrive Users Over License-Based Storage Quota | PnP Samples  Review this article: OneDrive site is read-only because storage quota was exceeded - SharePoint | Microsoft Learn Take corrective action for affected users. For users exceeding their licensed storage limits:Upgrade the user’s license to increase available storage, or Work with the user to reduce storage usage to within licensed limits. Inform your helpdesk and SharePoint admins about this change so they can support users who may be placed into a read-only state. If all users are within their licensed storage quotas, no action is required. Compliance considerations No compliance considerations identified. Review as appropriate for your organization.

What changed

Between archive captures, newest first
    • Title SharePoint Online: Storage quota enforcement updated to align with license limits → OneDrive for Business: Bug fixes to ensure storage quota aligns with license limits

    Updated June 1,3, 2026: We have updated the content and timeline. We are not proceeding with gov clouds at this time. We apologize for any inconvenience.  Introduction We’re updatingfixing issues in the way SharePoint Online enforcesOneDrive for Business applies user storage quotas to ensure they are consistently aligned with license entitlements.entitlements and current product behavior. This change fixes an issue where user-specific storage limits could be incorrectly … predictable storage behavior and improve reliability for admins managing storage at scale. These fixes will be beneficial to admins, but there is a small percentage of users who will have their OneDrive for Business storage quota adjusted to match their license entitlement.  When this will happen General Availability (Worldwide): We will begin rolling out in late Mayearly July 2026 (previously late May) and expect to complete in June 2026. mid-July 2026 (previously June). How this affects your organization Who is affected Microsoft 365 tenants using SharePoint OnlineOneDrive for Business Users who are currently over the OneDrive for Business storage quota allowed by their assigned license or extended storage  Admins who have set user-specific storage limits above licensed entitlements or extended storage  What will happen User storage quotas will be re-evaluated against license limits … storage usage exceeds their licensed quota will be placed into a read-only state,state per existing policy, which temporarily restricts write access to existing SharePointOneDrive content until storage usage is remediated. This includes scenarios where:An admin-set user … licensed storage limits. What you can do to prepare Identify users exceeding OneDrive for Business licensed storage limitsReview OneDrive storage usage across your organization to identify users …

  2. Updated May 28,June 1, 2026: We have updated the content. Thank youtimeline. We are not proceeding with gov clouds at this time. We apologize for your patience.any inconvenience.  Introduction We’re updating the way SharePoint Online enforces user storage quotas to … for admins managing storage at scale. When this will happen General Availability (Worldwide, GCC, GCCH, and DoD):(Worldwide): We will begin rolling out in late May 2026 and expect to …

  3. Updated May 22,28, 2026: We have updated the content, adding a link to the script. content. Thank you for your patience.  Introduction We’re updating the way SharePoint Online … quota. Use Identify OneDrive Users Over License-Based Storage Quota | PnP Samples  Review this article: OneDrive site is read-only because storage quota was exceeded - SharePoint | Microsoft Learn Take corrective action for affected users. For users exceeding their licensed storage …

    • Tags User impact, Admin impact → Updated message, User impact, Admin impact

    Updated May 22, 2026: We have updated the content, adding a link to the script. Thank you for your patience.  Introduction We’re updating the way SharePoint Online enforces user storage quotas to … across your organization to identify users whose usage exceeds their licensed quota. Microsoft will provide a PowerShell script to assist with this assessment. A link to the script will be added to this message when available. Use Identify OneDrive Users Over License-Based Storage Quota | PnP Samples  Take corrective action for affected users. For users exceeding their licensed storage …

  5. · first version seen

Linked documentation

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  • Whether your tenant is affected: this is Microsoft's notice, not a check of your settings.
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