SharePoint Document Issues

How to Fix SharePoint Title Field Not Indexed Error When Filtering a List

Steve K Oct 13, 2026 868 views

Question details

Users encounter a query failure in SharePoint or Microsoft Graph indicating that the Title field is not indexed, especially when filtering large lists.

How to Fix SharePoint Title Field Not Indexed Error When Filtering a List

Product: SharePoint
Device & OS: not provided
Scenario: Filtering or sorting a SharePoint list using a Microsoft Graph query or a standard list view.
Observed behavior: The query fails with an error recommending the HonorNonIndexedQueriesWarningMayFailRandomly header, warning that operations on large lists may fail due to the unindexed Title field.

Before you start

Ensure you have the necessary site owner or administrator permissions to modify list settings and create column indices in your SharePoint environment.

Solution 1Recommended

Create an Index for the Title Column in SharePoint

Manually indexing the Title column resolves the root cause of the error and improves query performance on large lists.

By default, SharePoint does not index all columns. When a list approaches or exceeds the list view threshold (typically 5,000 items), querying against non-indexed columns like the Title field will result in a failure. Adding an index allows the server to process the filter efficiently.

Access List Settings

Navigate to your SharePoint list, click the Settings (gear) icon in the top right corner, and select 'List settings'.

Open Indexed Columns

Scroll down to the Columns section at the bottom of the settings page and click on the 'Indexed columns' link.

Create a New Index

Click on 'Create a new index' to open the column selection menu.

Select the Title Field

Choose 'Title' from the Primary column drop-down menu, leave the Secondary column blank, and click 'Create' to apply the index.

Create an Index for the Title Column in SharePoint

Index Creation Successful: Once the index is created, it may take a few moments for SharePoint to process it. Afterward, your filters and API queries should function normally.

Solution 2

Adjust Microsoft Graph API Query Headers

If you are querying via the Graph API and cannot immediately index the column, use the recommended header to bypass the strict index requirement.

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Frequently Asked Questions

What is the SharePoint list view threshold limit?

The standard SharePoint list view threshold is 5,000 items. When a list exceeds this number, filtering by non-indexed columns like the Title field often results in query failures to maintain database performance.

Can I index a column after the list exceeds 5,000 items?

Usually, SharePoint prevents creating a new index on a column once the list exceeds 5,000 items. You may need to temporarily delete items, use modern list views to filter smaller batches, or contact your Microsoft 365 administrator to apply the index.

Why does the Microsoft Graph API throw an error for non-indexed queries?

Microsoft Graph enforces strict performance guidelines to prevent server throttling. When querying large data sets without an index, the API blocks the request unless you explicitly acknowledge the performance risk by adding the HonorNonIndexedQueriesWarningMayFailRandomly header.

Document & File Issues