Windows7 旗艦版環境
下載離線安裝包：
vs_enterprise.exe --layout vs2017 --lang en-US
導入3個證書文件；在下載的目錄中，執行 vs_Enterprise.exe
提示出錯：
此程序需要管理員權限才能執行安裝操作。請以管理員身份重新運行該程序。
找不到與以下參數匹配的產品:
channelId: VisualStudio.15.Release productId: Microsoft.VisualStudio.Product.Enterprise
出錯日志摘錄：
2017-10-27T15:56:58 : Verbose : Visual Studio Installer (1.12.111.1002 : update4) ["C:\\Program Files\\Microsoft Visual Studio\\Installer\\vs_installershell.exe","/finalizeInstall","install","--layoutPath","I:\\vs2017","--in","I:\\vs2017\\Response.json","--locale","zh-CN","--activityId","40b99311-62d1-4bad-ae95-ea733cc12e33"]
2017-10-27T15:57:00 : Verbose : Creating VS Telemetry Survey
2017-10-27T15:57:01 : Verbose : Received the application ready notification
2017-10-27T15:57:02 : Warning : getExperimentsIpcService called more than once.
2017-10-27T15:57:02 : Verbose : Starting ServiceHub Experimentation client.
2017-10-27T15:57:03 : Verbose : Installation finalized successfully.
2017-10-27T15:57:06 : Error : Experiments Ipc Service creation failed.
error: [Error] Hub Controller process exited prematurely with exit code 0 (Success). at Error: Hub Controller process exited prematurely with exit code 0 (Success).
at ControllerConnection.onControllerProcessExited (C:\Program Files\Microsoft Visual Studio\Installer\resources\app\node_modules\microsoft-servicehub\controllerConnection.js:148:21)
at ChildProcess.<anonymous> (C:\Program Files\Microsoft Visual Studio\Installer\resources\app\node_modules\microsoft-servicehub\controllerConnection.js:104:93)
at Object.onceWrapper (events.js:293:19)
at emitTwo (events.js:111:20)
at ChildProcess.emit (events.js:194:7)
at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12)
From previous event:
at defer (C:\Program Files\Microsoft Visual Studio\Installer\resources\app\node_modules\q\q.js:582:19)
at Promise.then (C:\Program Files\Microsoft Visual Studio\Installer\resources\app\node_modules\q\q.js:828:20)
at ControllerConnection.connectImpl (C:\Program Files\Microsoft Visual Studio\Installer\resources\app\node_modules\microsoft-servicehub\controllerConnection.js:48:14)
at Function.ControllerConnection.connect (C:\Program Files\Microsoft Visual Studio\Installer\resources\app\node_modules\microsoft-servicehub\controllerConnection.js:31:27)
at HubLookup.getLocationService (C:\Program Files\Microsoft Visual Studio\Installer\resources\app\node_modules\microsoft-servicehub\hubLookup.js:19:80)
at HubClient.requestServiceWithRetries (C:\Program Files\Microsoft Visual Studio\Installer\resources\app\node_modules\microsoft-servicehub\hubClient.js:75:21)
at HubClient.requestService (C:\Program Files\Microsoft Visual Studio\Installer\resources\app\node_modules\microsoft-servicehub\hubClient.js:63:21)
at C:\Program Files\Microsoft Visual Studio\Installer\resources\app\main\ipc-rpc-factory.js:37:26
at <anonymous>
at process._tickCallback (internal/process/next_tick.js:109:7)
執行是 “以管理員身份運行此程序” 。微軟網站上給出的方法：卸載或刪除VisualStudio目錄也無效。
網絡上有類似的問題的提問，均無解或無效。
解決這個問題,純粹屬於意外: 在Win中，新創建一個Administrator的用戶，用這個用戶登錄Win7，安裝VisualStudio2017 ，成功啦！
VS2017安裝速度，變的很快了（選擇安裝）。一會兒就安裝好了。但是，遺憾的通知你，你原來的那個用戶名，依然無法安裝，或者升級VisualStudio2017。廢棄它吧！