官方版

Capture Traffic from a Different Account

To capture traffic from accounts other than the current user (for example, ASP.NET on IIS or a Windows Service), configure that process to use the Fiddler proxy.

For Example

Configure .NET Applications
Configure WinHTTP Applications

谷歌翻译版

从其他账户捕获流量

若要从当前用户以外的帐户(例如IIS上的ASP.NET或Windows Service)捕获流量,请将该进程配置为使用Fiddler代理。

例如

配置.NET应用程序
配置WinHTTP应用程序