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67 lines
2.9 KiB
Markdown
67 lines
2.9 KiB
Markdown
---
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title: Windows error reporting - Windows IT Pro
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description: Resolve Windows 10 upgrade errors for ITPros. Technical information for IT professionals to help diagnose Windows setup errors.
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keywords: deploy, error, troubleshoot, windows, 10, upgrade, code, rollback, ITPro
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ms.prod: w10
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ms.mktglfcycl: deploy
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ms.sitesec: library
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ms.pagetype: deploy
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author: greg-lindsay
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ms.date: 03/30/2018
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ms.localizationpriority: medium
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---
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# Windows error reporting
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**Applies to**
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- Windows 10
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>[!NOTE]
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>This is a 300 level topic (moderately advanced).<br>
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>See [Resolve Windows 10 upgrade errors](resolve-windows-10-upgrade-errors.md) for a full list of topics in this article.
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When Windows Setup fails, the result and extend code are recorded as an informational event in the Application log by Windows Error Reporting as event 1001. The event name is **WinSetupDiag02**. You can use Event Viewer to review this event, or you can use Windows PowerShell.
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To use Windows PowerShell, type the following commands from an elevated Windows PowerShell prompt:
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```
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$events = Get-WinEvent -FilterHashtable @{LogName="Application";ID="1001";Data="WinSetupDiag02"}
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$event = [xml]$events[0].ToXml()
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$event.Event.EventData.Data
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```
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To use Event Viewer:
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1. Open Event Viewer and navigate to **Windows Logs\Application**.
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2. Click **Find**, and then search for **winsetupdiag02**.
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3. Double-click the event that is highlighted.
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Note: For legacy operating systems, the Event Name was WinSetupDiag01.
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Ten parameters are listed in the event:
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<br>
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<table border="0">
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<tr><td>P1: The Setup Scenario (1=Media,5=WindowsUpdate,7=Media Creation Tool)</td></tr>
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<tr><td>P2: Setup Mode (x=default,1=Downlevel,5=Rollback)</td></tr>
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<tr><td>P3: New OS Architecture (x=default,0=X86,9=AMD64)</td></tr>
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<tr><td>P4: Install Result (x=default,0=Success,1=Failure,2=Cancel,3=Blocked)</td></tr>
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<tr><td><b>P5: Result Error Code</b> (Ex: 0xc1900101)</td></tr>
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<tr><td><b>P6: Extend Error Code</b> (Ex: 0x20017)</td></tr>
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<tr><td>P7: Source OS build (Ex: 9600)</td></tr>
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<tr><td>P8: Source OS branch (not typically available)</td></tr>
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<tr><td>P9: New OS build (Ex: 16299}</td></tr>
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<tr><td>P10: New OS branch (Ex: rs3_release}</td></tr>
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</table>
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The event will also contain links to log files that can be used to perform a detailed diagnosis of the error. An example of this event from a successful upgrade is shown below.
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## Related topics
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[Windows 10 FAQ for IT professionals](https://technet.microsoft.com/en-us/windows/dn798755.aspx)
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<br>[Windows 10 Enterprise system requirements](https://technet.microsoft.com/en-us/windows/dn798752.aspx)
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<br>[Windows 10 Specifications](https://www.microsoft.com/en-us/windows/Windows-10-specifications)
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<br>[Windows 10 IT pro forums](https://social.technet.microsoft.com/Forums/en-US/home?category=Windows10ITPro)
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<br>[Fix Windows Update errors by using the DISM or System Update Readiness tool](https://support.microsoft.com/kb/947821)
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