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Fix Microsoft Search Full Crawl Not Deleting Old Items
Question details
The user needs to understand why previously indexed items remain in Microsoft Search after running a Microsoft Graph Connector full crawl and how to resolve the index cleanup issue.
- Product
- Microsoft Search
- Device & OS
- not provided
- Scenario
- Running a full crawl via Microsoft Graph Connector to update or reset the search index.
- Observed behavior
- Old items remain in the Microsoft Search index instead of being deleted or replaced during the full crawl process.
Before troubleshooting, ensure you have administrative access to the Microsoft 365 admin center and have your specific Microsoft Graph Connector ID and crawl logs ready for review.
Consult Microsoft Graph Specialists on Microsoft Q&A
Since this involves backend Microsoft Graph Connector SDK behavior, submitting your specific crawl logs and connector details to Microsoft specialists is the most effective way to resolve indexing anomalies.
Full crawl behaviors and item retention issues are often tied to how the Graph Connector SDK handles item identifiers and deletion signals. Expert guidance is usually required for backend index cleanup.
Navigate to the official Microsoft Q&A platform and search for the Microsoft Graph tags (specifically tags/161/ms-graph).
Prepare your specific connector ID, details about your Microsoft Graph Connector SDK version, and recent crawl error logs.
Post your question detailing the full-crawl behavior and ask for assistance with item identification and index cleanup procedures.
Review Search & Intelligence Crawl Logs
Check the Microsoft 365 admin center logs to determine if deletion commands are failing or if item IDs are mismatched during the crawl.
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Frequently Asked Questions
Why does a Microsoft Graph full crawl not automatically delete all old items?
A full crawl is primarily designed to update existing records and ingest new ones. If the unique identifier (Item ID) of an item changes, or if the connector SDK fails to send the proper deletion signals for items that no longer exist in the source repository, those old items become orphaned and remain in the search index.
How can I force delete all items from a Microsoft Graph Connector?
To completely purge the index for a specific source, you may need to delete the Graph connection entirely from the Microsoft 365 admin center and recreate it. Alternatively, developers can use the Microsoft Graph API to send explicit delete requests for known orphaned item IDs.
Where can I find the exact connector ID for my Microsoft Search integration?
You can find your connector ID by navigating to the Microsoft 365 admin center, going to Settings > Search & intelligence > Data sources, and clicking on your specific connector. The ID is typically listed in the connection details or URL parameters.
