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Hung Vu
Hung Vu

Posted on • Originally published at

🔒Improve Bitwarden Enterprise management with Google SSO

In this digital age, people usually have tens if not hundreds of accounts for their online services. These accounts range from simple daily services like grocery, and entertainment, to sensitive ones like banking or health records. The same applies to corporation use cases, but there, all the credentials are considered highly sensitive. This leads to the concern of how to store and govern all these passwords, and it is when a password manager such as Bitwarden comes to play.

Why is Bitwarden Enterprise?

Using a password manager, a person can safely generate complex passwords and store them in a secure location. This helps avoid all potentially unsafe "homemade" methods like writing credentials down on paper or storing it in a plain text file. Bitwarden is a popular open-source password manager, meaning thousands of eyes look at the codebase to find and patch vulnerabilities. Along with that, Bitwarden complies with multiple industrial standards and passed several third-party audits. In a corporate environment, where security and compliance are critical matters, this makes Bitwarden become a strong password manager solution.

Bitwarden is complied with multiple regulations such as GDPR, and HIPAA.

Currently, Bitwarden has two public business plans, called Bitwarden Team and Bitwarden Enterprise. Between the two, Bitwarden Enterprise offers many more tenant governance features, making administrative tasks less of a hassle. Usually, corporations use an active directory as a way to manage their users. As Bitwarden Enterprise supports single sign-on (SSO), the number of credentials to remember is reduced, while helping users sign in to Bitwarden with their active directory account. Inherently, both the user and administrator experience are improved while potential failure points are reduced since management is centralized in the active directory.

Bitwarden Enterprise offers many more administration features compared to the Teams plan,

How to set up Google SSO using OIDC in Bitwarden Enterprise?

Google is one of the big players in the business environment with its Google Workspace (formerly called G Suite), especially in the education and healthcare industry where several regulations and compliances are required. To set up Google SSO in Bitwarden Enterprise, there are two ways to do so: Security Assertion Markup Language (SAML) and OpenID Connect (OIDC). Each approach has its pros and cons, and for SAML, Bitwarden has an official guide for the implementation. There is none for OIDC, so it becomes the focus of this tutorial. The setup will be performed using the Bitwarden Enterprise web portal and the Google Cloud Platform (GCP) dashboard. All instructions are based on an assumption that you have a basic understanding of the GCP beforehand, so some details are omitted there.

Step 1: Enforce a single sign-on policy in Bitwarden

Enable Bitwarden Enterprise single sign-on authentication policy before setting up the SSO.

Bitwarden requires the organization to enable both Single organization and Require single sign-on authentication to set up the SSO. Start by signing in to an organization administrator account, then navigate to Organizations > Settings > Policies and enable the two mentioned policies. The policy Single organization is enabled first because it is a prerequisite for Require single sign-on authentication.

Bitwarden's Single organization policy is a requirement for single sign-on authentication policy.

Step 2: Enable SSO settings in Bitwarden (no OpenID configuration yet)

Bitwarden Single sign-on configuration offers a lots of options to configure.

You are in the Settings panel at the moment. Now, navigate to the Single sign-on page and check Allow SSO authentication. With that, certain configurations now show up. Do the following:

  1. SSO identifier: my-organization-123

    This is a fixed and public identifier of your organization. The identifier must be a string with up to 50 characters (e.g., my-organization-123). Company users need this ID to start the sign-in to your organization. It is by no means a sensitive secret as the user must pass the SSO process and be approved by an administrator before having access to the Bitwarden vault.

  2. Member decryption options: Master password

    There are Master password and Key connector options. For this tutorial, choose the Master password option. This means after users pass their SSO process, they need to create a master password to encrypt/decrypt Bitwarden vault (new users) or enter the master password (existing users).

  3. Type: OpenID Connect

    There are OpenID Connect and SAML 2.0 options. Chose the OpenID Connect option for this tutorial.

  4. OpenID connect configuration:

    Leave everything as is, you will revisit this section in the latter steps. For now, note down the Callback path and Singed out callback path, as they will be used soon.

OpenID connect configuration are left empty at this step..

Step 3: Create a consent screen for your Bitwarden project in GCP

The OpenID connect configuration requires Client ID and Client secret, these can be achieved via the GCP dashboard. To do so, the first step is to create an OAuth consent screen for your Bitwarden application.

Choose an internal user type to create Google Cloud Platform consent screen for the Bitwarden Enterprise project.

Use the search bar and look up the OAuth consent screen then navigate there. Because this is an SSO for internal users, choose an Internal User Type then press Create. This leads to the Edit app registration screen.

The Google Cloud Platform requires certain information about the Bitwarden application such as an app name.

This is where you fill in trivial information for the SSO popup such as the application name, support contact, logo, and so on. Fill them out as per your organization's rules. In this tutorial, the Scopes section can be skipped, but in reality, your organization might have specific requirements to limit user access in this Bitwarden GCP project. More detail about the scopes can be found in Google's official documentation.

Step 4: Create an OAuth client ID and secret in GCP

Go to the Google Cloud Platform project credentials to create an OAuth client ID.

Use the search bar and look up for Credentials of your project and navigate there. Press Create Credentials button and pick the OAuth Client ID option. If the consent screen was not properly configured or is missing, you may not be able to move forward. There is an error message and shortcut button to create a consent screen when that happens, but if not, head back to step 3 of this tutorial and start from there.

OAuth client ID cannot be created if a consent screen was not set up properly.

Vice versa, if the consent screen was successfully created, the Application type configuration will show up. Choose the Web application option from the drop-down then continue to the next screen.

Choose Web application for the Application type of Google Cloud Platform OAuth client ID.

Here, certain options need to be filled out in a specific way:

  1. Authorized JavaScript origins:

    To sign in to the Bitwarden web portal, the user needs to visit, in other words, a subdomain of With that said, add to the Authorized JavaScript origins section. This covers all subdomains of

  2. Authorized redirect URIs: and

    Remember the two Callback path and Singed out callback path in step 2? In this case, they are and respectively. Add both of them to the Authorized redirect URIs section, order does not matter.

Set up proper JavaScript origins and redirect URIs for the OAuth client ID.

Press the Save button. If nothing goes haywire, the Client ID and Client Secret are then generated. Note them down, as they will be used in the Bitwarden dashboard when you return there.

Google Cloud Platform OAuth client is successfully created.

Step 5: Enable an Identity Platform API in GCP

Google Cloud Identity Platform must be enabled to make Bitwarden Enterprise SSO work.

Use the search bar and look up Identity Platform. Navigate there and enable the API. If this step is not completed, you may face cryptic errors when attempting to SSO. This actually cost me a little while to figure out. The two errors that I faced are:

# Cryptic Bitwarden SSO error 1 (consistently happened)
# This will make more sense when you go over step 6 of this tutorial
# Remember the keyword "OpenID Connect metadata"
An error has occured
Reading OpenID Connect metadata failed.
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Bitwarden provides a cryptic error when the SSO process fail: Reading OpenID Connect metadata failed.

# Cryptic Bitwarden SSO error 2 (happened only once after multiple refresh)
There was an unexpected error during single sign-on
IDX20803: Unable to obtain configuration from: 'System.String'
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Another Bitwarden cryptic error when the SSO fails: IDX2083: Unable to obtain configuration from 'System.String'.

I suppose these can be tracked down using the GCP audit log, but if Bitwarden has some sort of debug interface (for the online web portal, not self-host), it would have been a tremendous help in a case like this.

Step 6: Finalize the OpenID connect configuration in Bitwarden

In step 2 of this tutorial, you left the OpenID connect configuration empty, so now is the time to fill them out. In Bitwarden, go back to Organizations > Settings > Single sign-on > OpenID connect configuration and fill out the empty fields:

  1. Authority:

    This is the value of issuer property in SSO Well-known Documentation following the OpenID Connect Discovery specification. Each identity provider has a different address, and for Google, it is

  2. Client ID:

    Use a client ID generated in step 4 of this tutorial.

  3. Client secret:

    Use a client secret generated in step 4 of this tutorial.

  4. Metadata address:

    Using the OpenID Connect Discovery mechanism, Google provides the metadata for its SSO configuration at This is a fallback URL so Bitwarden can go and look for an issuer when the Authority is invalid. The well-known address varies between identity providers, but they typically end in /.well-known/openid-configuration.

    Issuer can be found in Google's OIDC well-known documentation.

All other OpenID connect configuration options can be left as is. Press Save and now your Bitwarden Enterprise SSO has successfully been set up. Give organization users the SSO identifier and they now can sign in to Bitwarden using their Google account.

Bitwarden SSO requires an SSO identifier so end users can find their organization.

If any errors come up, refer to step 5 of this tutorial to troubleshoot. If both Authority and Metadata address are wrong, you will certainly see an error in step 5. As a Bitwarden administrator, do remember to approve users' join requests so they can see an organization vault. There should be a notification sent to an admin email address to notify about the user request.

Wrap up

In this tutorial, you have learned about the Bitwarden Enterprise plan and the necessary steps to configure Google SSO via OIDC with it. If your organization only uses Google Workspace, perhaps SAML is a better choice. However, if Google Cloud is an option, then OIDC is another way to set up the SSO. There are technical differences between the two approaches, but if the end goal is only to make SSO available, then OIDC and SAML are identical.

This tutorial was originally published at What is Bitwarden Enterprise, and how to set it up with Google SSO via OIDC? If you find it to be helpful, you may want to look at my other articles too.

And, let's connect!

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