Error Code Portal
MicrosoftWindows Win32Error code

729

ERROR_DRIVERS_LEAKING_LOCKED_PAGES

Alternative forms: 0x000002D9 · 0x2D9 · ERROR_DRIVERS_LEAKING_LOCKED_PAGES · 0x800702D9

What does this code mean?

Code 729 · An issue reported by Windows Win32.

Official explanation · Original text

A device driver is leaking locked I/O pages causing system degradation. The system has automatically enabled tracking code in order to try and catch the culprit.

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.

Source and terms of use

System Error Codes (500-999) (WinError.h) ↗

Creator: Microsoft and MicrosoftDocs contributors
License: Creative Commons Attribution 4.0 International
Checked on: 2026-11-12

Modifications: Extracted numeric codes, symbolic names and English message text; converted Markdown/HTML to plain text and normalized whitespace; added Korean product context, namespace labels, status classification and separately labeled official links. No machine translation of message text.

Source details · Original licenses and notices