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I get the following error when installing windows on a new partition using bootcamp assistant. I'm using a 16gb usb 2.0/3.0 drive with Win10_1709_English_x64 ISO downloaded from the Microsoft website.

Install appears to run smoothly from the Mac side. Then at a certain point, I receive the error seen here

pass file error

Then, when I select OK, the system displays the second error message which leads to a restart loop that stops at this second message. I am unable to complete the install. The first time this happened, I wiped the bootcamp partition and started over. Same thing happened again.

I read somewhere that the unattend.xmlmay be the culprit, so I backed it up and deleted it thinking the installer would recreate the file. It didn't and the install still fails.

restart loop

Here is the complete AutoUnattend.xml file found on the usb root.

<?xml version="1.0" encoding="utf-8"?>
<unattend xmlns="urn:schemas-microsoft-com:unattend">
      <settings pass="windowsPE">
        <component name="Microsoft-Windows-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <UserData>
                <ProductKey>
                    <WillShowUI>Always</WillShowUI>
                </ProductKey>
            </UserData>
        </component>
        <component name="Microsoft-Windows-PnpCustomizationsWinPE" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <DriverPaths>
                <PathAndCredentials wcm:keyValue="1" wcm:action="add">
                    <Path>$WinPEDriver$</Path>
                </PathAndCredentials>
            </DriverPaths>
        </component>
    </settings>
    <settings pass="specialize">
        <component name="Microsoft-Windows-Deployment" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <RunSynchronous>
                <RunSynchronousCommand wcm:action="add">
                    <Order>1</Order>
                    <Path>cmd /c "FOR %i IN (X F E D C) DO (FOR /F "tokens=6" %t in ('vol %i:') do (IF /I %t NEQ "" (IF EXIST %i:\BootCamp\BootCamp.xml Reg ADD "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment" /v AppsRoot /t REG_SZ /d %i /f )))"</Path>
                </RunSynchronousCommand>
            </RunSynchronous>
        </component>
    </settings>
    <settings pass="oobeSystem">
        <component name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <FirstLogonCommands>
              <SynchronousCommand wcm:action="add">
                  <Description>BootCamp setup</Description>
                  <CommandLine>%AppsRoot%:\BootCamp\setup.exe</CommandLine>
                  <Order>1</Order>
                  <RequiresUserInput>false</RequiresUserInput>
              </SynchronousCommand>
            </FirstLogonCommands>
        </component>
    </settings>
</unattend>

Hopefully, someone can help me make sense of this. Thanks everyone. LMK if you need any more info.

2

Just spoke with Apple Support. It appears that I'm using an upgrade-only ISO, not the full retail version. That is why it's failing. MS, in its infinite wisdom, always just assume everyone uses their OS. Big dummies.

  • thanks for this I have never had an issue with bootcamp before I'll try this and get back to you if it works, Where should we get the "full retail version" iso? – NSGangster Oct 28 '17 at 19:46
  • From what a Microsoft rep explained to me, you'll need to have your full-retail license key. You can then download it from the Microsoft website. Check your order history if you purchased the license separately rather than acquiring with a PC purchase. – Mike S. Oct 29 '17 at 20:06

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