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windows/deployment/upgrade/quick-fixes.md
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@ -39,7 +39,6 @@ The Microsoft Virtual Agent provided by [Microsoft Support](https://support.micr
<li>Check the system drive for errors and attempt repairs. <a href="#repair-the-system-drive" data-raw-source="[More information](#repair-the-system-drive)">More information</a>.</li> <li>Check the system drive for errors and attempt repairs. <a href="#repair-the-system-drive" data-raw-source="[More information](#repair-the-system-drive)">More information</a>.</li>
<li>Run the Windows Update troubleshooter. <a href="#windows-update-troubleshooter" data-raw-source="[More information](#windows-update-troubleshooter)">More information</a>.</li> <li>Run the Windows Update troubleshooter. <a href="#windows-update-troubleshooter" data-raw-source="[More information](#windows-update-troubleshooter)">More information</a>.</li>
<li>Attempt to restore and repair system files. <a href="#repair-system-files" data-raw-source="[More information](#repair-system-files)">More information</a>.</li> <li>Attempt to restore and repair system files. <a href="#repair-system-files" data-raw-source="[More information](#repair-system-files)">More information</a>.</li>
<li>Check for unsigned drivers and update or repair them. <a href="#repair-unsigned-drivers" data-raw-source="[More information](#repair-unsigned-drivers)">More information</a>.</li>
<li>Update Windows so that all available recommended updates are installed, and ensure the computer is rebooted if this is necessary to complete installation of an update. <a href="#update-windows" data-raw-source="[More information](#update-windows)">More information</a>.</li> <li>Update Windows so that all available recommended updates are installed, and ensure the computer is rebooted if this is necessary to complete installation of an update. <a href="#update-windows" data-raw-source="[More information](#update-windows)">More information</a>.</li>
<li>Temporarily uninstall non-Microsoft antivirus software. <li>Temporarily uninstall non-Microsoft antivirus software.
<a href="#uninstall-non-microsoft-antivirus-software" data-raw-source="[More information](#uninstall-non-microsoft-antivirus-software)">More information</a>.</li> <a href="#uninstall-non-microsoft-antivirus-software" data-raw-source="[More information](#uninstall-non-microsoft-antivirus-software)">More information</a>.</li>
@ -156,76 +155,6 @@ To check and repair system files:
> [!NOTE] > [!NOTE]
> It may take several minutes for the command operations to be completed. For more information, see [Repair a Windows Image](/windows-hardware/manufacture/desktop/repair-a-windows-image) and [Use the System File Checker tool](https://support.microsoft.com/help/929833/use-the-system-file-checker-tool-to-repair-missing-or-corrupted-system). > It may take several minutes for the command operations to be completed. For more information, see [Repair a Windows Image](/windows-hardware/manufacture/desktop/repair-a-windows-image) and [Use the System File Checker tool](https://support.microsoft.com/help/929833/use-the-system-file-checker-tool-to-repair-missing-or-corrupted-system).
### Repair unsigned drivers
[Drivers](/windows-hardware/drivers/gettingstarted/what-is-a-driver-) are files ending in *.dll or *.sys that are used to communicate with hardware components. Because drivers are so important, they are cryptographically signed to ensure they are genuine. Drivers with a *.sys extension that are not properly signed frequently block the upgrade process. Drivers might not be properly signed if you:
- Disabled driver signature verification (highly not recommended).
- A catalog file used to sign a driver is corrupt or missing.
Catalog files (files with a *.cat extension) are used to sign drivers. If a catalog file is corrupt or missing, the driver will appear to be unsigned, even though it should be signed. To restore the catalog file, reinstall the driver or copy the catalog file from another device. You might need to analyze another device to determine the catalog file that is associated with the unsigned driver. All drivers should be signed to ensure the upgrade process works.
To check your system for unsigned drivers:
1. Click **Start**.
2. Type **command**.
3. Right-click **Command Prompt** and then left-click **Run as administrator**.
4. If you are prompted by UAC, click **Yes**.
5. Type **sigverif** and press ENTER.
6. The File Signature Verification tool will open. Click **Start**.
![File Signature Verification.](../images/sigverif.png)
7. After the scanning process is complete, if you see **Your files have been scanned and verified as digitally signed** then you have no unsigned drivers. Otherwise, you will see **The following files have not been digitally signed** and a list will be provided with name, location, and version of all unsigned drivers.
8. To view and save a log file, click **Advanced**, and then click **View Log**. Save the log file if desired.
9. Locate drivers in the log file that are unsigned, write down the location and file names. Also write down the catalog that is associated to the driver if it is provided. If the name of a catalog file is not provided you might need to analyze another device that has the same driver with sigverif and sigcheck (described below).
10. The next step is to check that the driver reported as unsigned by sigverif.exe has a problem. In some cases, sigverif.exe might not be successful at locating the catalog file used to sign a driver, even though the catalog file exists. To perform a detailed driver check, download [sigcheck.zip](https://download.sysinternals.com/files/Sigcheck.zip) and extract the tool to a directory on your computer, for example: **C:\sigcheck**.
[Sigcheck](/sysinternals/downloads/sigcheck) is a tool that you can download and use to review digital signature details of a file. To use sigcheck:
11. In the command window, use the **cd** command to switch to the directory where you extracted sigcheck, for example **cd c:\sigcheck**.
12. Using the list of unsigned drivers and their associated paths that you obtained from the File Signature Verification tool, run sigcheck to obtain details about the driver, including the catalog file used for signing. Type **sigcheck64 -i \<driver path\>** and press ENTER (or sigcheck -i for a 32 bit OS). See the following example:
```
C:\Sigcheck>sigcheck64.exe -i c:\windows\system32\drivers\afd.sys
Sigcheck v2.80 - File version and signature viewer
Copyright (C) 2004-2020 Mark Russinovich
Sysinternals - www.sysinternals.com
c:\windows\system32\drivers\afd.sys:
Verified: Signed
Signing date: 6:18 PM 11/29/2017
Signing date: 6:18 PM 11/29/2017
Catalog: C:\Windows\system32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Package_163_for_KB4054518~31bf3856ad364e35~x86~~6.1.1.2.cat
Signers:
Microsoft Windows
Cert Status: This certificate or one of the certificates in the certificate chain is not time valid.
Valid Usage: NT5 Crypto, Code Signing
Cert Issuer: Microsoft Windows Verification PCA
Serial Number: 33 00 00 00 4B 76 63 2D 24 A2 39 9A 8B 00 01 00 00 00 4B
Thumbprint: B8037C46D0DB7A8CEE502407469B0EE3234D3365
Algorithm: sha1RSA
Valid from: 11:46 AM 3/1/2017
Valid to: 11:46 AM 5/9/2018
(output truncated)
```
In the example above, the afd.sys driver is properly signed by the catalog file Package_163_for_KB4054518~31bf3856ad364e35~x86~~6.1.1.2.cat.
13. Optionally, you can generate a list of drivers using driverquery.exe, which is included with Windows. To save a list of signed and unsigned drivers with driverquery, type **driverquery /si > c:\drivers.txt** and press ENTER. See the following example:
```cmd
C:\>Driverquery /si
DeviceName InfName IsSigned Manufacturer
============================== ============= ======== =========================
Microsoft ISATAP Adapter nettun.inf TRUE Microsoft
Generic volume shadow copy volsnap.inf TRUE Microsoft
Generic volume volume.inf TRUE Microsoft
(truncated)
```
For more information about using driverquery, see [Two Minute Drill: DriverQuery.exe](https://techcommunity.microsoft.com/t5/ask-the-performance-team/two-minute-drill-driverquery-exe/ba-p/374977) and [driverquery](/windows-server/administration/windows-commands/driverquery).
### Update Windows ### Update Windows
You should ensure that all important updates are installed before attempting to upgrade. This includes updates to hardware drivers on your computer. You should ensure that all important updates are installed before attempting to upgrade. This includes updates to hardware drivers on your computer.

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windows/deployment/upgrade/resolution-procedures.md
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@ -36,7 +36,7 @@ A frequently observed [result code](upgrade-error-codes.md#result-codes) is 0xC1
The device install log is particularly helpful if rollback occurs during the sysprep operation (extend code 0x30018). The device install log is particularly helpful if rollback occurs during the sysprep operation (extend code 0x30018).
To resolve a rollback that was caused by driver conflicts, try running setup using a minimal set of drivers and startup programs by performing a [clean boot](https://support.microsoft.com/kb/929135) before initiating the upgrade process. Also check to be sure that your drivers are properly signed. For more information, see [Remove unsigned drivers](quick-fixes.md#repair-unsigned-drivers). To resolve a rollback that was caused by driver conflicts, try running setup using a minimal set of drivers and startup programs by performing a [clean boot](https://support.microsoft.com/kb/929135) before initiating the upgrade process.
See the following general troubleshooting procedures associated with a result code of 0xC1900101:<br /><br /> See the following general troubleshooting procedures associated with a result code of 0xC1900101:<br /><br />
@ -49,7 +49,7 @@ See the following general troubleshooting procedures associated with a result co
| 0xC1900101 - 0x30018 | Disconnect all peripheral devices that are connected to the system, except for the mouse, keyboard and display.<br>Contact your hardware vendor to obtain updated device drivers.<br>Ensure that &quot;Download and install updates (recommended)&quot; is accepted at the start of the upgrade process. | A device driver has stopped responding to setup.exe during the upgrade process. | | 0xC1900101 - 0x30018 | Disconnect all peripheral devices that are connected to the system, except for the mouse, keyboard and display.<br>Contact your hardware vendor to obtain updated device drivers.<br>Ensure that &quot;Download and install updates (recommended)&quot; is accepted at the start of the upgrade process. | A device driver has stopped responding to setup.exe during the upgrade process. |
| 0xC1900101 - 0x3000D | Disconnect all peripheral devices that are connected to the system, except for the mouse, keyboard and display.<br>Update or uninstall the display driver. | Installation failed during the FIRST_BOOT phase while attempting the MIGRATE_DATA operation.<br>This can occur due to a problem with a display driver. | | 0xC1900101 - 0x3000D | Disconnect all peripheral devices that are connected to the system, except for the mouse, keyboard and display.<br>Update or uninstall the display driver. | Installation failed during the FIRST_BOOT phase while attempting the MIGRATE_DATA operation.<br>This can occur due to a problem with a display driver. |
| 0xC1900101 - 0x4000D | Check supplemental rollback logs for a setupmem.dmp file, or event logs for any unexpected reboots or errors.<br>Review the rollback log and determine the stop code.<br>The rollback log is located in the <strong>$Windows.~BT\Sources\Rollback</strong> folder. An example analysis is shown below. This example is not representative of all cases:<br>&nbsp;<br>Info SP Crash 0x0000007E detected<br>Info SP Module name :<br>Info SP Bugcheck parameter 1 : 0xFFFFFFFFC0000005<br>Info SP Bugcheck parameter 2 : 0xFFFFF8015BC0036A<br>Info SP Bugcheck parameter 3 : 0xFFFFD000E5D23728<br>Info SP Bugcheck parameter 4 : 0xFFFFD000E5D22F40<br>Info SP Cannot recover the system.<br>Info SP Rollback: Showing splash window with restoring text: Restoring your previous version of Windows.<br>&nbsp;<br>Typically, there is a dump file for the crash to analyze. If you are not equipped to debug the dump, then attempt the following basic troubleshooting procedures:<br>&nbsp;<br>1. Make sure you have enough disk space.<br>2. If a driver is identified in the bug check message, disable the driver or check with the manufacturer for driver updates.<br>3. Try changing video adapters.<br>4. Check with your hardware vendor for any BIOS updates.<br>5. Disable BIOS memory options such as caching or shadowing. | A rollback occurred due to a driver configuration issue.<br>Installation failed during the second boot phase while attempting the MIGRATE_DATA operation.<br>This can occur because of incompatible drivers. | | 0xC1900101 - 0x4000D | Check supplemental rollback logs for a setupmem.dmp file, or event logs for any unexpected reboots or errors.<br>Review the rollback log and determine the stop code.<br>The rollback log is located in the <strong>$Windows.~BT\Sources\Rollback</strong> folder. An example analysis is shown below. This example is not representative of all cases:<br>&nbsp;<br>Info SP Crash 0x0000007E detected<br>Info SP Module name :<br>Info SP Bugcheck parameter 1 : 0xFFFFFFFFC0000005<br>Info SP Bugcheck parameter 2 : 0xFFFFF8015BC0036A<br>Info SP Bugcheck parameter 3 : 0xFFFFD000E5D23728<br>Info SP Bugcheck parameter 4 : 0xFFFFD000E5D22F40<br>Info SP Cannot recover the system.<br>Info SP Rollback: Showing splash window with restoring text: Restoring your previous version of Windows.<br>&nbsp;<br>Typically, there is a dump file for the crash to analyze. If you are not equipped to debug the dump, then attempt the following basic troubleshooting procedures:<br>&nbsp;<br>1. Make sure you have enough disk space.<br>2. If a driver is identified in the bug check message, disable the driver or check with the manufacturer for driver updates.<br>3. Try changing video adapters.<br>4. Check with your hardware vendor for any BIOS updates.<br>5. Disable BIOS memory options such as caching or shadowing. | A rollback occurred due to a driver configuration issue.<br>Installation failed during the second boot phase while attempting the MIGRATE_DATA operation.<br>This can occur because of incompatible drivers. |
| 0xC1900101 - 0x40017 | Clean boot into Windows, and then attempt the upgrade to Windows 10. For more information, see [How to perform a clean boot in Windows](https://support.microsoft.com/kb/929135).<br>&nbsp;<br>Ensure that you select the option to "Download and install updates (recommended)." Also be sure to [remove unsigned drivers](quick-fixes.md#repair-unsigned-drivers).<br>&nbsp;<br><b>Computers that run Citrix VDA</b> <br>You may see this message after you upgrade a computer from Windows 10, version 1511 to Windows 10, version 1607. After the second system restart, the system generates this error and then rolls back to the previous version. This problem has also been observed in upgrades to Windows 8.1 and Windows 8. <br>&nbsp;<br>This problem occurs because the computer has Citrix Virtual Delivery Agent (VDA) installed. Citrix VDA installs device drivers and a file system filter driver (CtxMcsWbc). This Citrix filter driver prevents the upgrade from writing changes to the disk, so the upgrade cannot complete and the system rolls back. <br>&nbsp;<br>**Resolution**<br>&nbsp;<br>To resolve this problem, install [Cumulative update for Windows 10 Version 1607 and Windows Server 2016: November 8, 2016](https://support.microsoft.com/help/3200970/cumulative-update-for-windows-10-version-1607-and-windows-server-2016).<br>&nbsp;<br>You can work around this problem in two ways:<br>&nbsp;<br>**Workaround 1**<br>&nbsp;<br>1. Use the VDA setup application (VDAWorkstationSetup_7.11) to uninstall Citrix VDA.<br>2. Run the Windows upgrade again.<br>3. Reinstall Citrix VDA.<br>&nbsp;<br>**Workaround 2**<br>&nbsp;<br>If you cannot uninstall Citrix VDA, follow these steps to work around this problem: <br>&nbsp;<br>1. In Registry Editor, go to the following subkey:<br> **HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e967-e325-11ce-bfc1-08002be10318}\CtxMcsWbc**<br>2. Change the value of the **Start** entry from **0** to **4**. This change disables the Citrix MCS cache service.<br>3. Go to the following subkey:<br> **HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e967-e325-11ce-bfc1-08002be10318}**<br>4. Delete the **CtxMcsWbc** entry.<br>5. Restart the computer, and then try the upgrade again.<br>&nbsp;<br>**Non-Microsoft information disclaimer** <br>The non-Microsoft products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products. | Windows 10 upgrade failed after the second reboot.<br>This is usually caused by a faulty driver. For example: antivirus filter drivers or encryption drivers. | | 0xC1900101 - 0x40017 | Clean boot into Windows, and then attempt the upgrade to Windows 10. For more information, see [How to perform a clean boot in Windows](https://support.microsoft.com/kb/929135).<br>Ensure that you select the option to "Download and install updates (recommended)."<br>&nbsp;<br><b>Computers that run Citrix VDA</b> <br>You may see this message after you upgrade a computer from Windows 10, version 1511 to Windows 10, version 1607. After the second system restart, the system generates this error and then rolls back to the previous version. This problem has also been observed in upgrades to Windows 8.1 and Windows 8. <br>&nbsp;<br>This problem occurs because the computer has Citrix Virtual Delivery Agent (VDA) installed. Citrix VDA installs device drivers and a file system filter driver (CtxMcsWbc). This Citrix filter driver prevents the upgrade from writing changes to the disk, so the upgrade cannot complete and the system rolls back. <br>&nbsp;<br>**Resolution**<br>&nbsp;<br>To resolve this problem, install [Cumulative update for Windows 10 Version 1607 and Windows Server 2016: November 8, 2016](https://support.microsoft.com/help/3200970/cumulative-update-for-windows-10-version-1607-and-windows-server-2016).<br>&nbsp;<br>You can work around this problem in two ways:<br>&nbsp;<br>**Workaround 1**<br>&nbsp;<br>1. Use the VDA setup application (VDAWorkstationSetup_7.11) to uninstall Citrix VDA.<br>2. Run the Windows upgrade again.<br>3. Reinstall Citrix VDA.<br>&nbsp;<br>**Workaround 2**<br>&nbsp;<br>If you cannot uninstall Citrix VDA, follow these steps to work around this problem: <br>&nbsp;<br>1. In Registry Editor, go to the following subkey:<br> **HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e967-e325-11ce-bfc1-08002be10318}\CtxMcsWbc**<br>2. Change the value of the **Start** entry from **0** to **4**. This change disables the Citrix MCS cache service.<br>3. Go to the following subkey:<br> **HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e967-e325-11ce-bfc1-08002be10318}**<br>4. Delete the **CtxMcsWbc** entry.<br>5. Restart the computer, and then try the upgrade again.<br>&nbsp;<br>**Non-Microsoft information disclaimer** <br>The non-Microsoft products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products. | Windows 10 upgrade failed after the second reboot.<br>This is usually caused by a faulty driver. For example: antivirus filter drivers or encryption drivers. |
## 0x800xxxxx ## 0x800xxxxx

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windows/deployment/upgrade/resolve-windows-10-upgrade-errors.md
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@ -25,7 +25,7 @@ ms.topic: article
This article contains a brief introduction to Windows 10 installation processes, and provides resolution procedures that IT administrators can use to resolve issues with Windows 10 upgrade. This article contains a brief introduction to Windows 10 installation processes, and provides resolution procedures that IT administrators can use to resolve issues with Windows 10 upgrade.
The article was originally one page, but has been divided into sub-topics of different technical levels. Basic level provides common procedures that can resolve several types of upgrade errors. Advanced level requires some experience with detailed troubleshooting methods. The article has been divided into sub-topics of different technical levels. Basic level provides common procedures that can resolve several types of upgrade errors. Advanced level requires some experience with detailed troubleshooting methods.
The following four levels are assigned: The following four levels are assigned:

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windows/deployment/upgrade/troubleshoot-upgrade-errors.md
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@ -26,6 +26,9 @@ ms.topic: article
If a Windows 10 upgrade is not successful, it can be very helpful to understand *when* an error occurred in the upgrade process. If a Windows 10 upgrade is not successful, it can be very helpful to understand *when* an error occurred in the upgrade process.
> [!IMPORTANT]
> Use the [SetupDiag](setupdiag.md) tool before you begin manually troubleshooting an upgrade error. SetupDiag automates log file analysis, detecting and reporting details on many different types of known upgrade issues.
Briefly, the upgrade process consists of four phases that are controlled by [Windows Setup](/windows-hardware/manufacture/desktop/windows-setup-technical-reference): **Downlevel**, **SafeOS**, **First boot**, and **Second boot**. The computer will reboot once between each phase. Note: Progress is tracked in the registry during the upgrade process using the following key: **HKLM\System\Setup\mosetup\volatile\SetupProgress**. This key is volatile and only present during the upgrade process; it contains a binary value in the range 0-100. Briefly, the upgrade process consists of four phases that are controlled by [Windows Setup](/windows-hardware/manufacture/desktop/windows-setup-technical-reference): **Downlevel**, **SafeOS**, **First boot**, and **Second boot**. The computer will reboot once between each phase. Note: Progress is tracked in the registry during the upgrade process using the following key: **HKLM\System\Setup\mosetup\volatile\SetupProgress**. This key is volatile and only present during the upgrade process; it contains a binary value in the range 0-100.
These phases are explained in greater detail [below](#the-windows-10-upgrade-process). First, let's summarize the actions performed during each phase because this affects the type of errors that can be encountered. These phases are explained in greater detail [below](#the-windows-10-upgrade-process). First, let's summarize the actions performed during each phase because this affects the type of errors that can be encountered.
@ -73,11 +76,11 @@ When performing an operating system upgrade, Windows Setup uses phases described
At the end of the second boot phase, the **Welcome to Windows 10** screen is displayed, preferences are configured, and the Windows 10 sign-in prompt is displayed. At the end of the second boot phase, the **Welcome to Windows 10** screen is displayed, preferences are configured, and the Windows 10 sign-in prompt is displayed.
![second boot phase.](../images/secondboot.png) ![second boot phase 1](../images/secondboot.png)
![second boot phase.](../images/secondboot2.png) ![second boot phase 2](../images/secondboot2.png)
![second boot phase.](../images/secondboot3.png) ![second boot phase 3](../images/secondboot3.png)
5. **Uninstall phase**: This phase occurs if upgrade is unsuccessful (image not shown). Example error codes: 0x50000, 0x50015. 5. **Uninstall phase**: This phase occurs if upgrade is unsuccessful (image not shown). Example error codes: 0x50000, 0x50015.