401 Unauthorized: Failure to install [Package name] from Azure DevOps feed using npm

Having an issue with AzureDevop artifacts and npm feeds. Keep getting a 401 Unauthorized exception when trying to run npm install.

Any insights on what might be causing this problem?

Answer №1

After some troubleshooting, I discovered the issue - my authorization token had expired. To resolve it, I simply went to feed/connect-to-feed, generated a new token for npm, and inserted it into the .npmrc file.

Answer №3

It is highly likely that your token has expired.

  1. Navigate to Azure Devops
  2. Click on the menu located at the top right corner and select Personal access tokens
  3. Identify the expired token that corresponds to your issue, such as having Packaging (Read) access to the failing URL in the 401 error message.
  4. Choose the token and click on Regenerate
  5. Return to your console and execute vsts-npm-auth -config .npmrc -F

If this is your first time facing this issue, you will need to create a new token with appropriate packaging access and run npm install -g vsts-npm-auth in your console before executing vsts-npm-auth -config .npmrc -F (I always include that -F even if it's not necessary).


If the problem persists, I recommend consulting the comprehensive instructions available in Azure Devops:

  1. Access Artifacts
  2. Connect to feed
  3. npm
  4. Click on
    Having issues? See the instructions for using a Personal Access Token to authenticate.
    and review the entire set of instructions.

Answer №4

Just a friendly reminder that it is recommended to refresh your token, even if it does not appear to be expired. Sometimes this simple step can resolve unexpected issues like the 401 Unauthorized error I encountered while running yarn install.

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