Software⏱️ 4 min read📅 2026-06-15

How to Fix: Getting 403 Error when Accessing Google Cloud Storage Bucket via S3 Generic

Error uploading backups to Google Cloud Storage bucket via S3 Generic with Updraft Plus. Solution involves checking bucket permissions and granting necessary rights.

Quick Answer: Check the Google Admin Console for bucket permissions and grant the necessary rights to allow upload access.

📋 Table of Contents

  1. 💡 Why You Are Getting This Error
  2. 🚀 How to Resolve This Issue
  3. ✨ Wrapping Up

When attempting to upload backups from your WordPress website to a Google Cloud Storage Nearline Bucket via Updraft Plus, you may encounter a 403 Forbidden Error. This issue affects users who have successfully connected their bucket through the plugin but are unable to complete the upload process.

This frustration is compounded by the fact that the plugin claims to have established a secure connection with your bucket and has given the impression that the upload should be successful.

💡 Why You Are Getting This Error

  • The primary reason for this error is that the Google Cloud Storage Nearline Bucket may not have been properly configured or granted the necessary permissions. When using the Updraft Plus plugin, it is crucial to ensure that the bucket has public access enabled and that the appropriate IAM roles are assigned.
  • Another potential cause could be issues with the IAM credentials or authentication settings used by the plugin. In some cases, incorrect or incomplete configuration may lead to this error.

🚀 How to Resolve This Issue

Granting Public Access to Google Cloud Storage Bucket

  1. Step 1: Step 1: Navigate to the Google Cloud Console and select your project from the dropdown menu.
  2. Step 2: Step 2: In the Navigation menu, click on 'Storage' and then select 'Buckets'. Find the bucket you are using with Updraft Plus and click on it.
  3. Step 3: Step 3: Click on the 'Permissions' tab and then click on 'Add members'. Enter the email address associated with your Google Cloud account or the email address of the user who is trying to upload the backups.
  4. Step 4: Step 4: In the 'Role' dropdown menu, select 'Storage Object Viewer' from the list of available roles. This will grant the necessary permissions for the bucket.
  5. Step 5: Step 5: Click on the 'Save' button to save the changes.

Configuring IAM Roles and Credentials

  1. Step 1: Step 1: Navigate to the Google Cloud Console and select your project from the dropdown menu.
  2. Step 2: Step 2: In the Navigation menu, click on 'IAM & Admin' and then select 'Service accounts'. Find the service account used by Updraft Plus and click on it.
  3. Step 3: Step 3: Click on the 'Keys' tab and then click on 'Add key'. Select 'Create new key' from the dropdown menu.
  4. Step 4: Step 4: Choose the type of key you want to create (e.g., JSON or P12) and click on the 'Create' button. Download the key file.
  5. Step 5: Step 5: In Updraft Plus, go to Settings > S3 Generic > Advanced Settings and enter the path to the downloaded key file.

✨ Wrapping Up

After following these steps, you should be able to resolve the 403 Forbidden Error when uploading backups from your WordPress website to a Google Cloud Storage Nearline Bucket via Updraft Plus. If you continue to encounter issues, it may be helpful to consult with a Google Cloud support specialist or Updraft Plus technical support for further assistance.

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