Windows Vista Build 5048.0.winmain idx02.050401-0536:修订间差异

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* Setup may not properly generate the correct boot configuration data after the operating system image is decompressed onto the hard drive.
* Setup may not properly generate the correct boot configuration data after the operating system image is decompressed onto the hard drive.


==== Upgrade issues ====
==== 升级问题 ====
<!-- Credits go to Rairii for initial findings. -->
<!-- 感谢 Rairii 的初步发现。 -->
The following conditions must be satisfied in order to perform a system upgrade:
要执行系统升级,必须满足以下条件:
* The <code>noupgrade.txt</code> placeholder text document must not be present in installation media's <code>sources</code> directory
* <code>noupgrade.txt</code> 占位符文本文档不得出现在安装媒介的 <code>sources</code> 目录中。
* Registry DWORD value <code>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion!Upgradeable</code> must not be equivalent to <code>0</code>.
* 注册表 DWORD <code>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion!Upgradeable</code> 不能为 <code>0</code>
* If the upgrading OS image is a componentized build (as is the case for this build's installation media), then registry DWORD value <code>HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Windows!ComponentizedBuild</code> must be set to 1. Otherwise, the value must not be present in registry or is set to 0.
* 如果升级的操作系统映像是组件化版本 (此版本的安装媒体),注册表 DWORD <code>HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Windows!ComponentizedBuild</code> 必须设置为 1。否则,此值不得存在于注册表中或设置为0。
* The host must be running builds 5019 through 5048; a Service Pack must also not be present in the system.
* 主机必须运行 Build 5019 到 5048;系统中也不得存在 Service Pack。
* Only one OS installation must be present on the system partition
* 系统分区上必须只有一个操作系统安装
* One of the equivalent client SKUs is present in the system:
* 属于系统中存在等效的客户端 SKU 之一:
** Starter
** Starter
** Home Basic (<code>HomBas</code>)
** Home Basic(<code>HomBas</code>
** Home Premium (<code>HomPrem</code>)
** Home Premium(<code>HomPrem</code>
** Pro Standard (<code>ProStd</code>)
** Pro Standard(<code>ProStd</code>
** Pro Small Business (<code>ProBiz</code>)
** Pro Small Business(<code>ProBiz</code>
** Pro Premium (<code>ProPrem</code>)
** Pro Premium(<code>ProPrem</code>
** Ultimate (<code>Pro</code>)
** Ultimate(<code>Pro</code>
*** Additionally determined to be Ultimate if flag <code>VER_SUITE_SINGLEUSERTS</code> (Single-User Remote Desktop Host) is present in host system product suite
*** 如果主机系统产品套件中存在标志 <code>VER_SUITE_SINGLEUSERTS</code>(Single-User Remote Desktop Host,单用户远程桌面主机),则另外确定为 Ultimate。
* A valid SKU from the above list must be defined within variable <code>skuid</code> in <code>sources/product.ini</code>.
* 必须在 <code>sources/product.ini</code> 的变量 <code>skuid</code> 中定义上述列表中的有效 SKU。
* The following SKU upgrade paths are supported:
* 支持以下 SKU 升级路径:
** Starter to all editions
** 所有 SKU 版本的 Starter
** Home Basic to all editions except Starter
** Home Basic 到除 Starter 之外的所有 SKU 版本
** Home Premium to itself, Pro Premium and Ultimate
** Home Premium 本身、Pro Premium Ultimate
** Pro Standard to itself, Pro Small Business, Pro Premium and Ultimate
** Pro Standard 本身、Pro Small Business、Pro Premium Ultimate
** Pro Small Business to itself, Pro Premium and Ultimate
** Pro Small Business 本身、Pro Premium Ultimate
** Pro Premium to itself and Ultimate
** Pro Premium 本身和 Ultimate
** Ultimate to itself
** Ultimate 对自身


The checks can be bypassed by setting environment variable <code>UPGRADE_ALLOWED</code> to <code>1</code>. The file <code>preupgradenotice.txt</code> in the <code>sources</code> directory is displayed at the start of the upgrade, and lists various bugs that will be encountered when an upgrade takes place.
可以通过将环境变量 <code>UPGRADE_ALLOWED</code> 设置为 <code>1</code> 来绕过检查。<code>sources</code> 目录中的文件 <code>preupgradenotice.txt</code> 在升级开始时显示,并列出了升级时将遇到的各种错误。


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{{Collapse top|title=<code>preupgradenotice.txt</code>}}

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