環境

• Windows Server 2022
• IIS 10

設定

1. IIS Application Pools

1. Application Pools, 選擇站台應用程式，右鍵 Advance Settings
2. General > Start Mode > AlwaysRunning default OnDemand
3. Process Model > Idle Time-out > 0 default 20
4. Recycling > Regular Time Interval > 0 default 1740

2. IIS Site

1. Sites > Admin ( Your Site ) > 最右邊 Manager WebSIte > Advanced Settings…
2. General > Preload Enable > true

3. 安裝 Application Initialization 服務

目的在於站台重啟後，自動啟動ASP.NET應用程式

Windows 2022 有兩種方式新增 Feature

• 第一種

  1. Star > Control Panel > Programs and Features
  2. 選擇左邊 Turn Windows features on or off

• 第二種

  1. Star > Server Manager
  2. 右上角 Manage > Add Roles and Features

安裝 Feature 步驟

• Step 1. Role-base or feature-base installation
• Step 2. Select a server from the server pool
• Step 3. Roles > Web Server (IIS) > Web Server > Application Development > Application Initialization

設定Web.Config

在應用程式重啟後會自動觸發 “/” 的請求

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<configuration>
  <system.webServer>
    <applicationInitialization doAppInitAfterRestart="true">
      <add initializationPage="/" />
    </applicationInitialization>
  </system.webServer>
</configuration>

參考

• web.config 設定參考，但是裡面的 Feature 安裝路徑不適用 Windows Server 2022

  • https://learn.microsoft.com/en-us/iis/configuration/system.webserver/applicationinitialization/#attributes

• Feature 安裝路經參考

  • https://learn.microsoft.com/en-us/answers/questions/333809/where-is-application-development-features-on-windo

• https://blog.darkthread.net/blog/hangfire-recurringjob-notes/

• https://www.nopcommerce.com/en/boards/topic/52046/application-shutdown-many-times-a-day

• https://weblog.west-wind.com/posts/2013/Oct/02/Use-IIS-Application-Initialization-for-keeping-ASPNET-Apps-alive