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Debug Diagnostic Tool

The Debug Diagnostic Tool (DebugDiag) is designed to assist in troubleshooting issues such as hangs, slow performance, memory leaks or memory fragmentation, and crashes in any user-mode process. It includes built-in analysis rules focused on IIS, COM+, SharePoint, and related Microsoft technologies.
Latest: 2.3.2.11
Last checked: Apr 30, 2026 3:53am
Rank: 4610/15140
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Overview

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License: FreewareInstaller: MSIWinget: Available

Version & Lifecycle

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Current: 2.3.2.11 Oldest supported: DebugDiag 1.0 Avg cadence: Every 1914 days

Top Contributors

Top sitewide contributors:

  1. Anbarasan
  2. nico_k
  3. Bob
  4. Vigneshwaran

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Release Notes & Updates

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DebugDiag

Packaging Notes

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Available as standalone MSI installers for x86 and x64 platforms

Notes

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Latest known version is Debug Diagnostic Tool v2 Update 3.2 as of 2024-07-15. Earlier versions include 1.0, 1.1, 1.2, 2.0, 2.1, 2 Update 2, and 2 Update 3.