Performance Issue: SharePoint Guest Users Unable to Access Shared Data, Teams Affected
Last Updated:
2026-07-24 09:22:36
Event:
2026-07-23 09:15:00
Status:
Closed
Brief Description:
Guest users of SharePoint receive an error when trying to access shared documents stored in Cornell Ithaca's SharePoint. This may include external users such as WCM, or any other external user.
User Impact:
Guest users of SharePoint receive an error when trying to access shared documents stored in Cornell Ithaca's SharePoint. This may include external users such as WCM, or any other external user. The issue also affects guest access in Microsoft Teams, but not shared channels.
Workaround:
There is no workaround for this issue
Current Status:
Microsoft is declaring the issue resolved.
Services Affected:
Collaboration Platforms
Subsites Affected:
Microsoft Teams
Full Description:
Guest users of SharePoint receive an error when trying to access shared documents stored in Cornell Ithaca's SharePoint. This may include external users such as WCM, or any other external user.
Guest file access in Microsoft Teams, which uses SharePoint for file storage, is also affected. Chat continues to work for affected users. The file access issue is only impacting external users who were added as a guest directly to a non-shared team. File access through shared channels continues to work.
There is no workaround at this time. A ticket is open with Microsoft support.
The message says:
That didn't work
We couldn't find a valid SharePoint Online license for [account name]
Guest file access in Microsoft Teams, which uses SharePoint for file storage, is also affected. Chat continues to work for affected users. The file access issue is only impacting external users who were added as a guest directly to a non-shared team. File access through shared channels continues to work.
There is no workaround at this time. A ticket is open with Microsoft support.
The message says:
That didn't work
We couldn't find a valid SharePoint Online license for [account name]
CIT TDX ID:
2337528
Timeline of Changes
| Description | Current Status | Date | Time |
|---|---|---|---|
Guest users of SharePoint receive an error when trying to access shared documents stored in Cornell Ithaca's SharePoint. This may include external users such as WCM, or any other external user. Guest file access in Microsoft Teams, which uses SharePoint for file storage, is also affected. Chat continues to work for affected users. The file access issue is only impacting external users who were added as a guest directly to a non-shared team. File access through shared channels continues to work. There is no workaround at this time. A ticket is open with Microsoft support. The message says: That didn't work We couldn't find a valid SharePoint Online license for [account name] |
Microsoft is declaring the issue resolved. |
2026-07-24 | 09:22:36 |
Guest users of SharePoint receive an error when trying to access shared documents stored in Cornell Ithaca's SharePoint. This may include external users such as WCM, or any other external user. Guest file access in Microsoft Teams, which uses SharePoint for file storage, is also affected. Chat continues to work for affected users. The file access issue is only impacting external users who were added as a guest directly to a non-shared team. File access through shared channels continues to work. There is no workaround at this time. A ticket is open with Microsoft support. The message says: That didn't work We couldn't find a valid SharePoint Online license for [account name] |
Microsoft is aware of the issue and tracking it. |
2026-07-23 | 10:18:12 |
Guest users of SharePoint receive an error when trying to access shared documents stored in Cornell Ithaca's SharePoint. This may include external users such as WCM, or any other external user. There is no workaround at this time. A ticket is open with Microsoft support. The message says: That didn't work We couldn't find a valid SharePoint Online license for [account name] |
A ticket is open with Microsoft support. |
2026-07-23 | 09:43:30 |