Dell PowerPath for Windows 安装失败并显示错误 0x800401f4
Summary: Dell PowerPath for Windows 安装失败，并显示错误消息“0x800401f4 - Error in ：：IDFromString：接口字符串无效”
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Symptoms
Dell PowerPath for Windows 安装失败，并显示如下错误消息：
0x800401f4 - Error in ::IDFromString: Invalid interface string
### Bootstrapper.log
2019-10-30 15:05:31 --- Loaded 3 supported component(s)
2019-10-30 15:05:33 Error: 0x800401f4 - Error in ::IIDFromString: Invalid interface string
2019-10-30 15:05:33 EMC PowerPath installer finished, return code=-1
Cause
当 HKEY_CLASSES_ROOT\Installer\Products 下存在无效注册表项时，会出现此问题。
在此示例中，有些键以_（下划线字符）而不是数字开头。
Resolution
要解决此问题：
- 以管理员帐户身份运行 Regedit
- 请求客户从受影响的服务器导出 HKEY_CLASSES_ROOT\Installer\Products\ 中以下划线“___”开头的密钥。
- 删除这些密钥。
- 再次运行 PowerPath 安装
Additional Information
注册表免责声明：注册表设置修改不当可能会导致严重的问题，从而阻止计算机正确启动。戴尔不能保证因配置注册表设置而导致的任何问题都能得到解决。修改这些设置的风险由您自行承担。
Affected Products
PowerPath for WindowsProducts
PowerPath for WindowsArticle Properties
Article Number: 000055739
Article Type: Solution
Last Modified: 28 May 2026
Version: 5
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