title: Update to angular 5 throws Version of @angular/compiler-cli needs to be 2.3.1 or greater. Current version is 5.1.0
body: <p>I want to upgrade angular 4 from asp.net core2 to angular 5 (latest one)</p>
  
  <p>I did this steps:</p>
  
  <ol>
  <li>dotnet new angular </li>
  <li><blockquote>
    <p>npm install @angular/animations@latest @angular/common@latest 
    @angular/compiler@latest @angular/compiler-cli@latest 
    @angular/core@latest @angular/forms@latest @angular/http@latest 
    @angular/platform-browser@latest 
    @angular/platform-browser-dynamic@latest 
    @angular/platform-server@latest @angular/router@latest rxjs@latest
    --save<br>
    npm install typescript@2.4.2 --save-exact</p>
  </blockquote></li>
  <li><p>npm install (to make sure)</p></li>
  <li><p>dotnet run </p></li>
  </ol>
  
  <p>and it produce error : (Version of @angular/compiler-cli needs to be 2.3.1 or greater. Current version is "5.1.0".)
  and i have no idea how to fix it. </p>
  
  <p>my package.json </p>
  
  <pre><code>{
    "name": "MyApp",
    "private": true,
    "version": "0.0.0",
    "scripts": {
      "test": "karma start ClientApp/test/karma.conf.js"
    },
    "devDependencies": {
      "@angular/animations": "^5.1.0",
      "@angular/cli": "^1.6.0",
      "@angular/common": "^5.1.0",
      "@angular/compiler": "^5.1.0",
      "@angular/compiler-cli": "^5.1.0",
      "@angular/core": "^5.1.0",
      "@angular/forms": "^5.1.0",
      "@angular/http": "^5.1.0",
      "@angular/platform-browser": "^5.1.0",
      "@angular/platform-browser-dynamic": "^5.1.0",
      "@angular/platform-server": "^5.1.0",
      "@angular/router": "^5.1.0",
      "@ngtools/webpack": "1.5.0",
      "@types/chai": "4.0.1",
      "@types/jasmine": "2.5.53",
      "@types/webpack-env": "1.13.0",
      "angular2-router-loader": "0.3.5",
      "angular2-template-loader": "0.6.2",
      "aspnet-prerendering": "^3.0.1",
      "aspnet-webpack": "^2.0.1",
      "awesome-typescript-loader": "3.2.1",
      "bootstrap": "3.3.7",
      "chai": "4.0.2",
      "css": "2.2.1",
      "css-loader": "0.28.4",
      "es6-shim": "0.35.3",
      "event-source-polyfill": "0.0.9",
      "expose-loader": "0.7.3",
      "extract-text-webpack-plugin": "2.1.2",
      "file-loader": "0.11.2",
      "html-loader": "0.4.5",
      "isomorphic-fetch": "2.2.1",
      "jasmine-core": "2.6.4",
      "jquery": "3.2.1",
      "json-loader": "0.5.4",
      "karma": "1.7.0",
      "karma-chai": "0.1.0",
      "karma-chrome-launcher": "2.2.0",
      "karma-cli": "1.0.1",
      "karma-jasmine": "1.1.0",
      "karma-webpack": "2.0.3",
      "preboot": "4.5.2",
      "raw-loader": "0.5.1",
      "reflect-metadata": "0.1.10",
      "rxjs": "^5.5.5",
      "style-loader": "0.18.2",
      "to-string-loader": "1.1.5",
      "typescript": "2.4.2",
      "url-loader": "0.5.9",
      "webpack": "2.5.1",
      "webpack-hot-middleware": "2.18.2",
      "webpack-merge": "4.1.0",
      "zone.js": "0.8.12"
    }
  }
  </code></pre>
  
  <p>here is the exception errors that produced:</p>
  
  <blockquote>
    <p>Using launch settings from
    f:\temp\WebAppLinkSys\MyApp\MyApp\Properties\launchSettings.json...
    info:
    Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager[0]
          User profile is available. Using 'C:\Users\adwin\AppData\Local\ASP.NET\DataProtection-Keys' as key
    repository and Windows DPAPI to encrypt keys at rest. Application
    startup exception: System.AggregateException: One or more errors
    occurred. (Version of @angular/compiler-cli needs to be 2.3.1 or
    greater. Current version is "5.1.0". Error: Version of
    @angular/compiler-cli needs to be 2.3.1 or greater. Current version is
    "5.1.0".
        at Object. (f:\temp\WebAppLinkSys\MyApp\MyApp\node_modules\@ngtools\webpack\src\index.js:27:11)
        at Module._compile (module.js:641:30)
        at Object.Module._extensions..js (module.js:652:10)
        at Module.load (module.js:560:32)
        at tryModuleLoad (module.js:503:12)
        at Function.Module._load (module.js:495:3)
        at Module.require (module.js:585:17)
        at require (internal/module.js:11:18)
        at Object. (f:\temp\WebAppLinkSys\MyApp\MyApp\webpack.config.js:4:19)
        at Module._compile (module.js:641:30)) ---> Microsoft.AspNetCore.NodeServices.HostingModels.NodeInvocationException:
    Version of @angular/compiler-cli needs to be 2.3.1 or greater. Current
    version is "5.1.0".</p>
  </blockquote>