diff --git a/config/packages/roadiz_rozier.yaml b/config/packages/roadiz_rozier.yaml
index 94486874..a04e416a 100644
--- a/config/packages/roadiz_rozier.yaml
+++ b/config/packages/roadiz_rozier.yaml
@@ -12,6 +12,9 @@ roadiz_rozier:
         oauth_client_id: '%env(string:OPEN_ID_CLIENT_ID)%'
         # OpenID identity provider OAuth2 client secret
         oauth_client_secret: '%env(string:OPEN_ID_CLIENT_SECRET)%'
+        requires_local_user: true
+        # Only when local users are not required, creating virtual users
+        # with following roles.
         granted_roles:
             - ROLE_USER
             - ROLE_BACKEND_USER
diff --git a/lib/OpenId/src/Authentication/OpenIdAuthenticator.php b/lib/OpenId/src/Authentication/OpenIdAuthenticator.php
index 409d6534..320b9786 100644
--- a/lib/OpenId/src/Authentication/OpenIdAuthenticator.php
+++ b/lib/OpenId/src/Authentication/OpenIdAuthenticator.php
@@ -23,6 +23,8 @@
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Exception\AuthenticationException;
 use Symfony\Component\Security\Core\Security;
+use Symfony\Component\Security\Core\User\UserInterface;
+use Symfony\Component\Security\Core\User\UserProviderInterface;
 use Symfony\Component\Security\Http\Authenticator\AbstractAuthenticator;
 use Symfony\Component\Security\Http\Authenticator\Passport\Badge\UserBadge;
 use Symfony\Component\Security\Http\Authenticator\Passport\Credentials\CustomCredentials;
@@ -40,7 +42,6 @@ final class OpenIdAuthenticator extends AbstractAuthenticator
     private JwtRoleStrategy $roleStrategy;
     private OpenIdJwtConfigurationFactory $jwtConfigurationFactory;
     private UrlGeneratorInterface $urlGenerator;
-
     private string $returnPath;
     private string $defaultRoute;
     private ?string $oauthClientId;
@@ -49,6 +50,8 @@ final class OpenIdAuthenticator extends AbstractAuthenticator
     private string $targetPathParameter;
     private array $defaultRoles;
     private bool $forceSsl;
+    private UserProviderInterface $accountProvider;
+    private bool $requiresLocalUsers;
 
     public function __construct(
         HttpUtils $httpUtils,
@@ -56,10 +59,12 @@ public function __construct(
         JwtRoleStrategy $roleStrategy,
         OpenIdJwtConfigurationFactory $jwtConfigurationFactory,
         UrlGeneratorInterface $urlGenerator,
+        UserProviderInterface $accountProvider,
         string $returnPath,
         string $defaultRoute,
         ?string $oauthClientId,
         ?string $oauthClientSecret,
+        bool $requiresLocalUsers = true,
         string $usernameClaim = 'email',
         string $targetPathParameter = '_target_path',
         array $defaultRoles = [],
@@ -82,6 +87,8 @@ public function __construct(
         $this->urlGenerator = $urlGenerator;
         $this->jwtConfigurationFactory = $jwtConfigurationFactory;
         $this->forceSsl = $forceSsl;
+        $this->accountProvider = $accountProvider;
+        $this->requiresLocalUsers = $requiresLocalUsers;
     }
 
     /**
@@ -90,6 +97,7 @@ public function __construct(
     public function supports(Request $request): ?bool
     {
         return null !== $this->discovery &&
+            $this->discovery->isValid() &&
             $this->httpUtils->checkRequestPath($request, $this->returnPath) &&
             $request->query->has('state') &&
             $request->query->has('scope') &&
@@ -191,39 +199,66 @@ public function authenticate(Request $request): Passport
                 'JWT “' . $this->usernameClaim . '” claim is not valid.'
             );
         }
+
+        /*
+         * Validate JWT token in CustomCredentials
+         */
+        $customCredentials = new CustomCredentials(
+            function (Plain $jwt) {
+                $configuration = $this->jwtConfigurationFactory->create();
+                $constraints = $configuration->validationConstraints();
+
+                try {
+                    $configuration->validator()->assert($jwt, ...$constraints);
+                } catch (RequiredConstraintsViolated $e) {
+                    throw new OpenIdAuthenticationException($e->getMessage(), 0, $e);
+                }
+                return true;
+            },
+            $jwt
+        );
+
+        /*
+         * If local users are required, we don't need to load user from
+         * Identity provider, we can just use local user.
+         * But still need to validate JWT token.
+         */
+        if ($this->requiresLocalUsers) {
+            return new Passport(
+                new UserBadge($username),
+                $customCredentials
+            );
+        }
         $passport = new Passport(
             new UserBadge($username, function () use ($jwt, $username) {
-                $roles = $this->defaultRoles;
-                if ($this->roleStrategy->supports()) {
-                    $roles = array_merge($roles, $this->roleStrategy->getRoles() ?? []);
-                }
-                return new OpenIdAccount(
-                    $username,
-                    array_unique($roles),
-                    $jwt
-                );
+                /*
+                 * Load user from Identity provider, create a virtual user
+                 * with roles configured in config/packages/roadiz_rozier.yaml
+                 * and need to validate JWT token.
+                 */
+                return $this->loadUser($jwt->claims()->all(), $username, $jwt);
             }),
-            new CustomCredentials(
-                function (Plain $jwt) {
-                    $configuration = $this->jwtConfigurationFactory->create();
-                    $constraints = $configuration->validationConstraints();
-                    try {
-                        $configuration->validator()->assert($jwt, ...$constraints);
-                    } catch (RequiredConstraintsViolated $e) {
-                        throw new OpenIdAuthenticationException($e->getMessage(), 0, $e);
-                    }
-                    return true;
-                },
-                $jwt
-            )
+            $customCredentials
         );
-
         $passport->setAttribute('jwt', $jwt);
         $passport->setAttribute('token', !empty($jsonResponse['access_token']) ? $jsonResponse['access_token'] : $jwt->toString());
 
         return $passport;
     }
 
+    protected function loadUser(array $payload, string $identity, Plain $jwt): UserInterface
+    {
+        $roles = $this->defaultRoles;
+        if ($this->roleStrategy->supports()) {
+            $roles = array_merge($roles, $this->roleStrategy->getRoles() ?? []);
+        }
+        return new OpenIdAccount(
+            $identity,
+            array_unique($roles),
+            $jwt
+        );
+    }
+
     /**
      * @inheritDoc
      */
diff --git a/lib/OpenId/src/Discovery.php b/lib/OpenId/src/Discovery.php
index 1f79ee16..cbd79f2f 100644
--- a/lib/OpenId/src/Discovery.php
+++ b/lib/OpenId/src/Discovery.php
@@ -36,6 +36,11 @@ public function __construct(string $discoveryUri, CacheItemPoolInterface $cacheA
         $this->cacheAdapter = $cacheAdapter;
     }
 
+    public function isValid(): bool
+    {
+        return !empty($this->discoveryUri) && filter_var($this->discoveryUri, FILTER_VALIDATE_URL);
+    }
+
     protected function populateParameters(): void
     {
         $cacheItem = $this->cacheAdapter->getItem(static::CACHE_KEY);
@@ -70,7 +75,7 @@ protected function populateParameters(): void
      */
     public function canVerifySignature(): bool
     {
-        return $this->has('jwks_uri');
+        return $this->isValid() && $this->has('jwks_uri');
     }
 
     /**
diff --git a/lib/OpenId/src/OAuth2LinkGenerator.php b/lib/OpenId/src/OAuth2LinkGenerator.php
index 49d1e93e..ac6cc591 100644
--- a/lib/OpenId/src/OAuth2LinkGenerator.php
+++ b/lib/OpenId/src/OAuth2LinkGenerator.php
@@ -40,7 +40,7 @@ public function __construct(
      */
     public function isSupported(Request $request): bool
     {
-        return null !== $this->discovery;
+        return null !== $this->discovery && $this->discovery->isValid();
     }
 
     public function generate(
diff --git a/lib/OpenId/src/OpenIdJwtConfigurationFactory.php b/lib/OpenId/src/OpenIdJwtConfigurationFactory.php
index bb91cdb6..5ffa41a6 100644
--- a/lib/OpenId/src/OpenIdJwtConfigurationFactory.php
+++ b/lib/OpenId/src/OpenIdJwtConfigurationFactory.php
@@ -52,7 +52,7 @@ protected function getValidationConstraints(): array
             $validators[] = new HostedDomain(trim($this->openIdHostedDomain));
         }
 
-        if (null !== $this->discovery) {
+        if (null !== $this->discovery && $this->discovery->isValid()) {
             $issuer = $this->discovery->get('issuer');
             $userinfoEndpoint = $this->discovery->get('userinfo_endpoint');
             if (is_string($issuer) && !empty($issuer)) {
diff --git a/lib/RoadizRozierBundle/config/packages/roadiz_rozier.yaml b/lib/RoadizRozierBundle/config/packages/roadiz_rozier.yaml
index 463dd0ea..7564c246 100644
--- a/lib/RoadizRozierBundle/config/packages/roadiz_rozier.yaml
+++ b/lib/RoadizRozierBundle/config/packages/roadiz_rozier.yaml
@@ -12,9 +12,13 @@ roadiz_rozier:
         oauth_client_id: '%env(string:OPEN_ID_CLIENT_ID)%'
         # OpenID identity provider OAuth2 client secret
         oauth_client_secret: '%env(string:OPEN_ID_CLIENT_SECRET)%'
+        requires_local_user: false
+        # Only when local users are not required, creating virtual users
+        # with following roles.
         granted_roles:
             - ROLE_USER
             - ROLE_BACKEND_USER
+            - ROLE_SUPERADMIN
     entries:
         dashboard:
             name: dashboard
diff --git a/lib/RoadizRozierBundle/src/DependencyInjection/Configuration.php b/lib/RoadizRozierBundle/src/DependencyInjection/Configuration.php
index aa35dde4..7a4d04f7 100644
--- a/lib/RoadizRozierBundle/src/DependencyInjection/Configuration.php
+++ b/lib/RoadizRozierBundle/src/DependencyInjection/Configuration.php
@@ -111,6 +111,13 @@ protected function addOpenIdNode()
                     ->defaultValue('email')
                     ->info(<<<EOD
 OpenID identity provider identifier claim field
+EOD
+                    )
+                ->end()
+                ->booleanNode('requires_local_user')
+                    ->defaultValue('true')
+                    ->info(<<<EOD
+A local account must exists for each OpenID user.
 EOD
                     )
                 ->end()
@@ -127,7 +134,7 @@ protected function addOpenIdNode()
                     ->prototype('scalar')
                     ->defaultValue(['ROLE_USER'])
                     ->info(<<<EOD
-Roles granted to user logged in with OpenId authentication process.
+Roles granted to user logged in with OpenId authentication process. Only when local users are not required, creating virtual users.
 EOD
                     )
                     ->end()
diff --git a/lib/RoadizRozierBundle/src/DependencyInjection/RoadizRozierExtension.php b/lib/RoadizRozierBundle/src/DependencyInjection/RoadizRozierExtension.php
index e0bf8d85..bfbe3a13 100644
--- a/lib/RoadizRozierBundle/src/DependencyInjection/RoadizRozierExtension.php
+++ b/lib/RoadizRozierBundle/src/DependencyInjection/RoadizRozierExtension.php
@@ -44,15 +44,13 @@ private function registerOpenId(array $config, ContainerBuilder $container): voi
         $container->setParameter('roadiz_rozier.open_id.hosted_domain', $config['open_id']['hosted_domain']);
         $container->setParameter('roadiz_rozier.open_id.oauth_client_id', $config['open_id']['oauth_client_id']);
         $container->setParameter('roadiz_rozier.open_id.oauth_client_secret', $config['open_id']['oauth_client_secret']);
+        $container->setParameter('roadiz_rozier.open_id.requires_local_user', $config['open_id']['requires_local_user']);
         $container->setParameter('roadiz_rozier.open_id.openid_username_claim', $config['open_id']['openid_username_claim']);
         $container->setParameter('roadiz_rozier.open_id.scopes', $config['open_id']['scopes'] ?? []);
         $container->setParameter('roadiz_rozier.open_id.granted_roles', $config['open_id']['granted_roles'] ?? []);
 
-        if (
-            \is_string($config['open_id']['discovery_url']) &&
-            !empty($config['open_id']['discovery_url']) &&
-            filter_var($config['open_id']['discovery_url'], FILTER_VALIDATE_URL)
-        ) {
+        // Do not test URL here, as DotEnv could not be loaded yet.
+        if (!empty($config['open_id']['discovery_url'])) {
             /*
              * Register OpenID discovery service only when discovery URL is set.
              */
@@ -95,10 +93,12 @@ private function registerOpenId(array $config, ContainerBuilder $container): voi
                     new Reference(\RZ\Roadiz\OpenId\Authentication\Provider\ChainJwtRoleStrategy::class),
                     new Reference('roadiz_rozier.open_id.jwt_configuration_factory'),
                     new Reference(\Symfony\Component\Routing\Generator\UrlGeneratorInterface::class),
+                    new Reference(\RZ\Roadiz\OpenId\Authentication\Provider\OpenIdAccountProvider::class),
                     'loginPage',
                     'adminHomePage',
                     $config['open_id']['oauth_client_id'],
                     $config['open_id']['oauth_client_secret'],
+                    $config['open_id']['requires_local_user'],
                     $config['open_id']['openid_username_claim'],
                     '_target_path',
                     $config['open_id']['granted_roles'],