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Fix SharePoint Term Sets Automatically Deleting from Term Store
Question details
Users are reporting that SharePoint term sets are being automatically deleted from the Term Store after a few days without manual intervention.
- Product
- Microsoft SharePoint
- Device & OS
- not provided
- Scenario
- Managing taxonomy and metadata within the Microsoft SharePoint Term Store.
- Observed behavior
- Term sets disappear automatically several days after creation, causing metadata loss and taxonomy disruptions.
Ensure you have SharePoint Administrator or Global Administrator privileges to access the Microsoft Purview compliance portal and view Term Store audit logs.
Investigate Audit Logs and Gather Tenant Details
Before reaching out for external support, collect the necessary tenant information and audit logs to help pinpoint the deletion cause.
Automatic deletion is often traced back to backend sync issues, automated scripts, or unauthorized administrative actions. Collecting accurate logs is essential for diagnosing the root cause.
Log in to the Microsoft Purview compliance portal using your administrator credentials.
Navigate to the Audit section and run a search for Term Store activities around the time the term sets were noticed missing.
Document the tenant details, affected term set names, exact deletion times, and any recent administrative changes made to the environment.
Escalate the Issue to Microsoft Q&A Specialists
If the audit logs do not reveal an internal cause, escalate the issue to SharePoint specialists for backend investigation.
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Frequently Asked Questions
Why do SharePoint term sets disappear automatically?
Term sets can disappear due to backend synchronization glitches in Microsoft 365, automated retention policies, accidental deletion by other administrators, or customized scripts interacting improperly with the Term Store API.
How can I restore a deleted SharePoint term set?
Deleted term sets cannot be restored directly from the standard SharePoint recycle bin. You must rely on third-party SharePoint backup solutions or contact Microsoft Support immediately to see if backend recovery is possible.
Can I receive alerts when a term set is deleted?
Yes, administrators can configure alert policies in the Microsoft Purview compliance portal to send email notifications whenever specific Term Store deletion events appear in the audit logs.
