Can't bind to 'routerLink' since it isn't a known property

You need to add RouterModule to imports of every @NgModule() where components use any component or directive from (in this case routerLink and <router-outlet>.

import {RouterModule} from '@angular/router';
@NgModule({
   declarations:[YourComponents],
   imports:[RouterModule]

declarations: [] is to make components, directives, pipes, known inside the current module.

exports: [] is to make components, directives, pipes, available to importing modules. What is added to declarations only is private to the module. exports makes them public.

See also https://angular.io/api/router/RouterModule#usage-notes

You are missing either the inclusion of the route package, or including the router module in your main app module.

Make sure your package.json has this:

"@angular/router": "^3.3.1"

Then in your app.module import the router and configure the routes:

import { RouterModule } from '@angular/router';

imports: [
        RouterModule.forRoot([
            {path: '', component: DashboardComponent},
            {path: 'dashboard', component: DashboardComponent}
        ])
    ],

Update:

Move the AppRoutingModule to be first in the imports:

imports: [
    AppRoutingModule.
    BrowserModule,
    FormsModule,
    HttpModule,
    AlertModule.forRoot(), // What is this?
    LayoutModule,
    UsersModule
  ],

I'll add another case where I was getting the same error but just being a dummy. I had added [routerLinkActiveOptions]="{exact: true}" without yet adding routerLinkActive="active".

My incorrect code was

<a class="nav-link active" routerLink="/dashboard" [routerLinkActiveOptions]="{exact: true}">
  Home
</a>

when it should have been

<a class="nav-link active" routerLink="/dashboard" routerLinkActive="active" [routerLinkActiveOptions]="{exact: true}">
  Home
</a>

Without having routerLinkActive, you can't have routerLinkActiveOptions.

When nothing else works when it should work, restart ng serve. It's sad to find this kind of bugs.

You need to import RouterModule in your main module.ts file

import {RouterModule} from '@angular/router';


@NgModule({
  imports: [RouterModule],
 )}

I was getting this error, even though I have exported RouterModule from app-routing.module and imported app-routingModule in Root module(app module).

Then I identified, I've imported component in Routing Module only.

Declaring the component in my Root module(App Module) solves the problem.

declarations: [
AppComponent,
NavBarComponent,
HomeComponent,
LoginComponent],

You need to add RouterMoudle into imports sections of the module containing the Header component

This problem is because you did not import the module

import {RouterModule} from '@angular/router';

And you must declare this modulce in the import section

   imports:[RouterModule]

I am running tests for my Angular app and encountered error Can't bind to 'routerLink' since it isn't a known property of 'a' as well.

I thought it might be useful to show my Angular dependencies:

    "@angular/animations": "^8.2.14",
    "@angular/common": "^8.2.14",
    "@angular/compiler": "^8.2.14",
    "@angular/core": "^8.2.14",
    "@angular/forms": "^8.2.14",
    "@angular/router": "^8.2.14",

The issue was in my spec file. I compared to another similar component spec file and found that I was missing RouterTestingModule in imports, e.g.

    TestBed.configureTestingModule({
      declarations: [
        ...
      ],
      imports: [ReactiveFormsModule, HttpClientTestingModule, RouterTestingModule],
      providers: [...]
    });
  });

In my case I just need to import my newly created component to RouterModule

{path: 'newPath', component: newComponent}

Then in your app.module import the router and configure the routes:

import { RouterModule } from '@angular/router';

imports: [
        RouterModule.forRoot([
            {path: '', component: DashboardComponent},
            {path: 'dashboard', component: DashboardComponent},
            {path: 'newPath', component: newComponent}
        ])
    ],

Hope this helps to some one !!!

I totally chose another way for this method.

app.component.ts

import { Router } from '@angular/router';
export class AppComponent {

   constructor(
        private router: Router,
    ) {}

    routerComment() {
        this.router.navigateByUrl('/marketing/social/comment');
    }
}

app.component.html

<button (click)="routerComment()">Router Link </button>

In the current component's module import RouterModule.

Like:-

import {RouterModule} from '@angular/router';
@NgModule({
   declarations:[YourComponents],
   imports:[RouterModule]

...

It helped me.

I just lost about 2 hours on this. It was a bug of my Visual Studio. I had to reinstall Angular and update my NPM again and now it works again.

Just found similar problem in a student's example. After spending 2 hours on checking everything suggested here and in a few similar topics, found that the error was routerlink instead of routerLink.

Seems easy to spot these 'one letter typos', but not in places where you've never saw them before.

Add the RouterModule in your module of the components