diff --git a/src/Squidex.Domain.Apps.Entities/Rules/RuleDequeuer.cs b/src/Squidex.Domain.Apps.Entities/Rules/RuleDequeuer.cs
index 5ae2477bf..da523ac95 100644
--- a/src/Squidex.Domain.Apps.Entities/Rules/RuleDequeuer.cs
+++ b/src/Squidex.Domain.Apps.Entities/Rules/RuleDequeuer.cs
@@ -21,7 +21,7 @@ using Squidex.Infrastructure.Timers;
 
 namespace Squidex.Domain.Apps.Entities.Rules
 {
-    public class RuleDequeuer : DisposableObjectBase, IExternalSystem
+    public class RuleDequeuer : DisposableObjectBase, IRunnable
     {
         private readonly ActionBlock<IRuleEventEntity> requestBlock;
         private readonly IRuleEventRepository ruleEventRepository;
@@ -63,7 +63,7 @@ namespace Squidex.Domain.Apps.Entities.Rules
             }
         }
 
-        public void Connect()
+        public void Run()
         {
         }
 
diff --git a/src/Squidex.Infrastructure.Azure/Assets/AzureBlobAssetStore.cs b/src/Squidex.Infrastructure.Azure/Assets/AzureBlobAssetStore.cs
index 87a5d16a2..7300e7720 100644
--- a/src/Squidex.Infrastructure.Azure/Assets/AzureBlobAssetStore.cs
+++ b/src/Squidex.Infrastructure.Azure/Assets/AzureBlobAssetStore.cs
@@ -14,7 +14,7 @@ using Microsoft.WindowsAzure.Storage.Blob;
 
 namespace Squidex.Infrastructure.Assets
 {
-    public class AzureBlobAssetStore : IAssetStore, IExternalSystem
+    public class AzureBlobAssetStore : IAssetStore, IInitializable
     {
         private const string AssetVersion = "AssetVersion";
         private const string AssetId = "AssetId";
@@ -31,7 +31,7 @@ namespace Squidex.Infrastructure.Assets
             this.containerName = containerName;
         }
 
-        public void Connect()
+        public void Initialize()
         {
             try
             {
diff --git a/src/Squidex.Infrastructure.GetEventStore/EventSourcing/GetEventStore.cs b/src/Squidex.Infrastructure.GetEventStore/EventSourcing/GetEventStore.cs
index 12cbd708b..f224dfe3f 100644
--- a/src/Squidex.Infrastructure.GetEventStore/EventSourcing/GetEventStore.cs
+++ b/src/Squidex.Infrastructure.GetEventStore/EventSourcing/GetEventStore.cs
@@ -15,7 +15,7 @@ using EventStore.ClientAPI;
 
 namespace Squidex.Infrastructure.EventSourcing
 {
-    public sealed class GetEventStore : IEventStore, IExternalSystem
+    public sealed class GetEventStore : IEventStore, IInitializable
     {
         private const int WritePageSize = 500;
         private const int ReadPageSize = 500;
@@ -37,7 +37,7 @@ namespace Squidex.Infrastructure.EventSourcing
         {
         }
 
-        public void Connect()
+        public void Initialize()
         {
             try
             {
diff --git a/src/Squidex.Infrastructure.GoogleCloud/Assets/GoogleCloudAssetStore.cs b/src/Squidex.Infrastructure.GoogleCloud/Assets/GoogleCloudAssetStore.cs
index 6df5f83a8..7c6b68e0b 100644
--- a/src/Squidex.Infrastructure.GoogleCloud/Assets/GoogleCloudAssetStore.cs
+++ b/src/Squidex.Infrastructure.GoogleCloud/Assets/GoogleCloudAssetStore.cs
@@ -16,7 +16,7 @@ using Google.Cloud.Storage.V1;
 
 namespace Squidex.Infrastructure.Assets
 {
-    public sealed class GoogleCloudAssetStore : IAssetStore, IExternalSystem
+    public sealed class GoogleCloudAssetStore : IAssetStore, IInitializable
     {
         private readonly string bucketName;
         private StorageClient storageClient;
@@ -28,7 +28,7 @@ namespace Squidex.Infrastructure.Assets
             this.bucketName = bucketName;
         }
 
-        public void Connect()
+        public void Initialize()
         {
             try
             {
diff --git a/src/Squidex.Infrastructure.MongoDb/MongoDb/MongoRepositoryBase.cs b/src/Squidex.Infrastructure.MongoDb/MongoDb/MongoRepositoryBase.cs
index 056dd8595..746195863 100644
--- a/src/Squidex.Infrastructure.MongoDb/MongoDb/MongoRepositoryBase.cs
+++ b/src/Squidex.Infrastructure.MongoDb/MongoDb/MongoRepositoryBase.cs
@@ -17,7 +17,7 @@ using Squidex.Infrastructure.Tasks;
 
 namespace Squidex.Infrastructure.MongoDb
 {
-    public abstract class MongoRepositoryBase<TEntity> : IExternalSystem
+    public abstract class MongoRepositoryBase<TEntity> : IInitializable
     {
         private const string CollectionFormat = "{0}Set";
 
@@ -106,7 +106,7 @@ namespace Squidex.Infrastructure.MongoDb
             }
         }
 
-        public void Connect()
+        public void Initialize()
         {
             try
             {
diff --git a/src/Squidex.Infrastructure.MongoDb/States/MongoSnapshotStore.cs b/src/Squidex.Infrastructure.MongoDb/States/MongoSnapshotStore.cs
index 8628d75ec..bbdb89a98 100644
--- a/src/Squidex.Infrastructure.MongoDb/States/MongoSnapshotStore.cs
+++ b/src/Squidex.Infrastructure.MongoDb/States/MongoSnapshotStore.cs
@@ -13,7 +13,7 @@ using Squidex.Infrastructure.MongoDb;
 
 namespace Squidex.Infrastructure.States
 {
-    public class MongoSnapshotStore<T, TKey> : MongoRepositoryBase<MongoState<T, TKey>>, ISnapshotStore<T, TKey>, IExternalSystem
+    public class MongoSnapshotStore<T, TKey> : MongoRepositoryBase<MongoState<T, TKey>>, ISnapshotStore<T, TKey>, IInitializable
     {
         private readonly JsonSerializer serializer;
 
diff --git a/src/Squidex.Infrastructure.RabbitMq/CQRS/Events/RabbitMqEventConsumer.cs b/src/Squidex.Infrastructure.RabbitMq/CQRS/Events/RabbitMqEventConsumer.cs
index ecf9ce5e9..24f6611db 100644
--- a/src/Squidex.Infrastructure.RabbitMq/CQRS/Events/RabbitMqEventConsumer.cs
+++ b/src/Squidex.Infrastructure.RabbitMq/CQRS/Events/RabbitMqEventConsumer.cs
@@ -15,7 +15,7 @@ using Squidex.Infrastructure.Tasks;
 
 namespace Squidex.Infrastructure.EventSourcing
 {
-    public sealed class RabbitMqEventConsumer : DisposableObjectBase, IExternalSystem, IEventConsumer
+    public sealed class RabbitMqEventConsumer : DisposableObjectBase, IInitializable, IEventConsumer
     {
         private readonly JsonSerializerSettings serializerSettings;
         private readonly string eventPublisherName;
@@ -61,7 +61,7 @@ namespace Squidex.Infrastructure.EventSourcing
             }
         }
 
-        public void Connect()
+        public void Initialize()
         {
             try
             {
diff --git a/src/Squidex.Infrastructure.Redis/RedisPubSub.cs b/src/Squidex.Infrastructure.Redis/RedisPubSub.cs
index 238b912d8..c548a178f 100644
--- a/src/Squidex.Infrastructure.Redis/RedisPubSub.cs
+++ b/src/Squidex.Infrastructure.Redis/RedisPubSub.cs
@@ -13,7 +13,7 @@ using StackExchange.Redis;
 
 namespace Squidex.Infrastructure
 {
-    public sealed class RedisPubSub : IPubSub, IExternalSystem
+    public sealed class RedisPubSub : IPubSub, IInitializable
     {
         private readonly ConcurrentDictionary<string, object> subscriptions = new ConcurrentDictionary<string, object>();
         private readonly Lazy<IConnectionMultiplexer> redisClient;
@@ -31,7 +31,7 @@ namespace Squidex.Infrastructure
             redisSubscriber = new Lazy<ISubscriber>(() => redis.Value.GetSubscriber());
         }
 
-        public void Connect()
+        public void Initialize()
         {
             try
             {
diff --git a/src/Squidex.Infrastructure/Assets/FolderAssetStore.cs b/src/Squidex.Infrastructure/Assets/FolderAssetStore.cs
index 951503235..557a3e7a5 100644
--- a/src/Squidex.Infrastructure/Assets/FolderAssetStore.cs
+++ b/src/Squidex.Infrastructure/Assets/FolderAssetStore.cs
@@ -14,7 +14,7 @@ using Squidex.Infrastructure.Tasks;
 
 namespace Squidex.Infrastructure.Assets
 {
-    public sealed class FolderAssetStore : IAssetStore, IExternalSystem
+    public sealed class FolderAssetStore : IAssetStore, IInitializable
     {
         private readonly ISemanticLog log;
         private readonly DirectoryInfo directory;
@@ -29,7 +29,7 @@ namespace Squidex.Infrastructure.Assets
             directory = new DirectoryInfo(path);
         }
 
-        public void Connect()
+        public void Initialize()
         {
             try
             {
diff --git a/src/Squidex.Infrastructure/EventSourcing/Grains/EventConsumerGrainManager.cs b/src/Squidex.Infrastructure/EventSourcing/Grains/EventConsumerGrainManager.cs
index 70ef98c40..8d4497e4e 100644
--- a/src/Squidex.Infrastructure/EventSourcing/Grains/EventConsumerGrainManager.cs
+++ b/src/Squidex.Infrastructure/EventSourcing/Grains/EventConsumerGrainManager.cs
@@ -15,7 +15,7 @@ using Squidex.Infrastructure.States;
 
 namespace Squidex.Infrastructure.EventSourcing.Grains
 {
-    public sealed class EventConsumerGrainManager : DisposableObjectBase, IExternalSystem
+    public sealed class EventConsumerGrainManager : DisposableObjectBase, IRunnable
     {
         private readonly IStateFactory factory;
         private readonly IPubSub pubSub;
@@ -33,7 +33,7 @@ namespace Squidex.Infrastructure.EventSourcing.Grains
             this.consumers = consumers.ToList();
         }
 
-        public void Connect()
+        public void Run()
         {
             var actors = new Dictionary<string, EventConsumerGrain>();
 
diff --git a/src/Squidex.Infrastructure/IInitializable.cs b/src/Squidex.Infrastructure/IInitializable.cs
new file mode 100644
index 000000000..44a853641
--- /dev/null
+++ b/src/Squidex.Infrastructure/IInitializable.cs
@@ -0,0 +1,15 @@
+// ==========================================================================
+//  IInitializable.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+namespace Squidex.Infrastructure
+{
+    public interface IInitializable
+    {
+        void Initialize();
+    }
+}
diff --git a/src/Squidex.Infrastructure/IExternalSystem.cs b/src/Squidex.Infrastructure/IRunnable.cs
similarity index 81%
rename from src/Squidex.Infrastructure/IExternalSystem.cs
rename to src/Squidex.Infrastructure/IRunnable.cs
index 8943f9de6..b36a94eeb 100644
--- a/src/Squidex.Infrastructure/IExternalSystem.cs
+++ b/src/Squidex.Infrastructure/IRunnable.cs
@@ -1,5 +1,5 @@
 // ==========================================================================
-//  IExternalSystem.cs
+//  IRunnable.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
@@ -8,8 +8,8 @@
 
 namespace Squidex.Infrastructure
 {
-    public interface IExternalSystem
+    public interface IRunnable
     {
-        void Connect();
+        void Run();
     }
 }
diff --git a/src/Squidex.Infrastructure/Log/FileChannel.cs b/src/Squidex.Infrastructure/Log/FileChannel.cs
index bf70e22ee..c351aa7d2 100644
--- a/src/Squidex.Infrastructure/Log/FileChannel.cs
+++ b/src/Squidex.Infrastructure/Log/FileChannel.cs
@@ -10,7 +10,7 @@ using Squidex.Infrastructure.Log.Internal;
 
 namespace Squidex.Infrastructure.Log
 {
-    public sealed class FileChannel : DisposableObjectBase, ILogChannel, IExternalSystem
+    public sealed class FileChannel : DisposableObjectBase, ILogChannel, IInitializable
     {
         private readonly FileLogProcessor processor;
 
@@ -34,7 +34,7 @@ namespace Squidex.Infrastructure.Log
             processor.EnqueueMessage(new LogMessageEntry { Message = message });
         }
 
-        public void Connect()
+        public void Initialize()
         {
             processor.Connect();
         }
diff --git a/src/Squidex.Infrastructure/States/StateFactory.cs b/src/Squidex.Infrastructure/States/StateFactory.cs
index abeb95d8a..dedc268f3 100644
--- a/src/Squidex.Infrastructure/States/StateFactory.cs
+++ b/src/Squidex.Infrastructure/States/StateFactory.cs
@@ -15,7 +15,7 @@ using Squidex.Infrastructure.EventSourcing;
 
 namespace Squidex.Infrastructure.States
 {
-    public sealed class StateFactory : DisposableObjectBase, IExternalSystem, IStateFactory
+    public sealed class StateFactory : DisposableObjectBase, IInitializable, IStateFactory
     {
         private static readonly TimeSpan CacheDuration = TimeSpan.FromMinutes(10);
         private readonly IPubSub pubSub;
@@ -70,7 +70,7 @@ namespace Squidex.Infrastructure.States
             this.streamNameResolver = streamNameResolver;
         }
 
-        public void Connect()
+        public void Initialize()
         {
             pubSubSubscription = pubSub.Subscribe<InvalidateMessage>(m =>
             {
diff --git a/src/Squidex/Config/Domain/AssetServices.cs b/src/Squidex/Config/Domain/AssetServices.cs
index 3694cde33..b958f6ff0 100644
--- a/src/Squidex/Config/Domain/AssetServices.cs
+++ b/src/Squidex/Config/Domain/AssetServices.cs
@@ -26,7 +26,7 @@ namespace Squidex.Config.Domain
 
                     services.AddSingletonAs(c => new FolderAssetStore(path, c.GetRequiredService<ISemanticLog>()))
                         .As<IAssetStore>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
                 },
                 ["GoogleCloud"] = () =>
                 {
@@ -34,7 +34,7 @@ namespace Squidex.Config.Domain
 
                     services.AddSingletonAs(c => new GoogleCloudAssetStore(bucketName))
                         .As<IAssetStore>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
                 },
                 ["AzureBlob"] = () =>
                 {
@@ -43,7 +43,7 @@ namespace Squidex.Config.Domain
 
                     services.AddSingletonAs(c => new AzureBlobAssetStore(connectionString, containerName))
                         .As<IAssetStore>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
                 }
             });
         }
diff --git a/src/Squidex/Config/Domain/EventPublishersServices.cs b/src/Squidex/Config/Domain/EventPublishersServices.cs
index b191350f6..a645708c5 100644
--- a/src/Squidex/Config/Domain/EventPublishersServices.cs
+++ b/src/Squidex/Config/Domain/EventPublishersServices.cs
@@ -56,7 +56,7 @@ namespace Squidex.Config.Domain
                     {
                         services.AddSingletonAs(c => new RabbitMqEventConsumer(c.GetRequiredService<JsonSerializerSettings>(), name, publisherConfig, exchange, eventsFilter))
                             .As<IEventConsumer>()
-                            .As<IExternalSystem>();
+                            .As<IInitializable>();
                     }
                 }
                 else
diff --git a/src/Squidex/Config/Domain/EventStoreServices.cs b/src/Squidex/Config/Domain/EventStoreServices.cs
index 59b2bb727..e5287f813 100644
--- a/src/Squidex/Config/Domain/EventStoreServices.cs
+++ b/src/Squidex/Config/Domain/EventStoreServices.cs
@@ -33,7 +33,7 @@ namespace Squidex.Config.Domain
 
                             return new MongoEventStore(mongDatabase, c.GetRequiredService<IEventNotifier>());
                         })
-                        .As<IExternalSystem>()
+                        .As<IInitializable>()
                         .As<IEventStore>();
                 },
                 ["GetEventStore"] = () =>
@@ -45,7 +45,7 @@ namespace Squidex.Config.Domain
                     var connection = EventStoreConnection.Create(eventStoreConfiguration);
 
                     services.AddSingletonAs(c => new GetEventStore(connection, eventStorePrefix, eventStoreProjectionHost))
-                        .As<IExternalSystem>()
+                        .As<IInitializable>()
                         .As<IEventStore>();
                 }
             });
diff --git a/src/Squidex/Config/Domain/InfrastructureServices.cs b/src/Squidex/Config/Domain/InfrastructureServices.cs
index b8cd37168..5ea0bd2b9 100644
--- a/src/Squidex/Config/Domain/InfrastructureServices.cs
+++ b/src/Squidex/Config/Domain/InfrastructureServices.cs
@@ -45,7 +45,7 @@ namespace Squidex.Config.Domain
             {
                 services.AddSingletonAs(new FileChannel(loggingFile))
                     .As<ILogChannel>()
-                    .As<IExternalSystem>();
+                    .As<IInitializable>();
             }
 
             services.AddSingletonAs(c => new ApplicationInfoLogAppender(typeof(Program).Assembly, Guid.NewGuid()))
diff --git a/src/Squidex/Config/Domain/PubSubServices.cs b/src/Squidex/Config/Domain/PubSubServices.cs
index b19b462ba..fe3cc14b3 100644
--- a/src/Squidex/Config/Domain/PubSubServices.cs
+++ b/src/Squidex/Config/Domain/PubSubServices.cs
@@ -33,7 +33,7 @@ namespace Squidex.Config.Domain
 
                     services.AddSingletonAs(c => new RedisPubSub(redis, c.GetRequiredService<ISemanticLog>()))
                         .As<IPubSub>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
                 }
             });
         }
diff --git a/src/Squidex/Config/Domain/ReadServices.cs b/src/Squidex/Config/Domain/ReadServices.cs
index 54c9958ce..eda0d92a0 100644
--- a/src/Squidex/Config/Domain/ReadServices.cs
+++ b/src/Squidex/Config/Domain/ReadServices.cs
@@ -44,9 +44,9 @@ namespace Squidex.Config.Domain
                 services.AddTransient<EventConsumerGrain>();
 
                 services.AddSingletonAs<EventConsumerGrainManager>()
-                    .As<IExternalSystem>();
+                    .As<IRunnable>();
                 services.AddSingletonAs<RuleDequeuer>()
-                    .As<IExternalSystem>();
+                    .As<IRunnable>();
             }
 
             var exposeSourceUrl = config.GetOptionalValue("assetStore:exposeSourceUrl", true);
@@ -58,7 +58,7 @@ namespace Squidex.Config.Domain
                 .As<IGraphQLUrlGenerator>();
 
             services.AddSingletonAs<StateFactory>()
-                .As<IExternalSystem>()
+                .As<IInitializable>()
                 .As<IStateFactory>();
 
             services.AddSingletonAs(c => c.GetService<IOptions<MyUsageOptions>>()?.Value?.Plans.OrEmpty());
diff --git a/src/Squidex/Config/Domain/StoreServices.cs b/src/Squidex/Config/Domain/StoreServices.cs
index ce4fe184d..2a3224ab8 100644
--- a/src/Squidex/Config/Domain/StoreServices.cs
+++ b/src/Squidex/Config/Domain/StoreServices.cs
@@ -64,74 +64,74 @@ namespace Squidex.Config.Domain
 
                     services.AddSingletonAs(c => new MongoXmlRepository(mongoDatabase))
                         .As<IXmlRepository>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
 
                     services.AddSingletonAs(c => new MongoMigrationStatus(mongoDatabase))
                         .As<IMigrationStatus>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
 
                     services.AddSingletonAs(c => new MongoSnapshotStore<EventConsumerState, string>(mongoDatabase, c.GetRequiredService<JsonSerializer>()))
                         .As<ISnapshotStore<EventConsumerState, string>>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
 
                     services.AddSingletonAs(c => new MongoUserStore(mongoDatabase))
                         .As<IUserStore<IUser>>()
                         .As<IUserFactory>()
                         .As<IUserResolver>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
 
                     services.AddSingletonAs(c => new MongoRoleStore(mongoDatabase))
                         .As<IRoleStore<IRole>>()
                         .As<IRoleFactory>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
 
                     services.AddSingletonAs(c => new MongoPersistedGrantStore(mongoDatabase))
                         .As<IPersistedGrantStore>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
 
                     services.AddSingletonAs(c => new MongoUsageStore(mongoDatabase))
                         .As<IUsageStore>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
 
                     services.AddSingletonAs(c => new MongoRuleEventRepository(mongoDatabase))
                         .As<IRuleEventRepository>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
 
                     services.AddSingletonAs(c => new MongoAppRepository(mongoDatabase))
                         .As<IAppRepository>()
                         .As<ISnapshotStore<AppState, Guid>>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
 
                     services.AddSingletonAs(c => new MongoAssetRepository(mongoDatabase))
                         .As<IAssetRepository>()
                         .As<ISnapshotStore<AssetState, Guid>>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
 
                     services.AddSingletonAs(c => new MongoRuleRepository(mongoDatabase))
                         .As<IRuleRepository>()
                         .As<ISnapshotStore<RuleState, Guid>>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
 
                     services.AddSingletonAs(c => new MongoSchemaRepository(mongoDatabase))
                         .As<ISchemaRepository>()
                         .As<ISnapshotStore<SchemaState, Guid>>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
 
                     services.AddSingletonAs(c => new MongoContentRepository(mongoContentDatabase, c.GetService<IAppProvider>()))
                         .As<IContentRepository>()
                         .As<ISnapshotStore<ContentState, Guid>>()
                         .As<IEventConsumer>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
 
                     services.AddSingletonAs(c => new MongoHistoryEventRepository(mongoDatabase, c.GetServices<IHistoryEventsCreator>()))
                         .As<IHistoryEventRepository>()
                         .As<IEventConsumer>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
 
                     services.AddSingletonAs(c => new MongoAssetStatsRepository(mongoDatabase))
                         .As<IAssetStatsRepository>()
                         .As<IEventConsumer>()
-                        .As<IExternalSystem>();
+                        .As<IInitializable>();
                 }
             });
         }
diff --git a/src/Squidex/Config/Domain/SystemExtensions.cs b/src/Squidex/Config/Domain/SystemExtensions.cs
index 95538ef4c..ccd4543ed 100644
--- a/src/Squidex/Config/Domain/SystemExtensions.cs
+++ b/src/Squidex/Config/Domain/SystemExtensions.cs
@@ -16,13 +16,23 @@ namespace Squidex.Config.Domain
 {
     public static class SystemExtensions
     {
-        public static void TestExternalSystems(this IServiceProvider services)
+        public static void InitializeAll(this IServiceProvider services)
         {
-            var systems = services.GetRequiredService<IEnumerable<IExternalSystem>>();
+            var systems = services.GetRequiredService<IEnumerable<IInitializable>>();
 
             foreach (var system in systems)
             {
-                system.Connect();
+                system.Initialize();
+            }
+        }
+
+        public static void RunAll(this IServiceProvider services)
+        {
+            var systems = services.GetRequiredService<IEnumerable<IRunnable>>();
+
+            foreach (var system in systems)
+            {
+                system.Run();
             }
         }
 
diff --git a/src/Squidex/WebStartup.cs b/src/Squidex/WebStartup.cs
index d88b28055..6c9bdd9f2 100644
--- a/src/Squidex/WebStartup.cs
+++ b/src/Squidex/WebStartup.cs
@@ -39,8 +39,9 @@ namespace Squidex
         public void Configure(IApplicationBuilder app)
         {
             app.ApplicationServices.LogConfiguration();
+            app.ApplicationServices.InitializeAll();
             app.ApplicationServices.Migrate();
-            app.ApplicationServices.TestExternalSystems();
+            app.ApplicationServices.RunAll();
 
             app.UseMyCors();
             app.UseMyForwardingRules();
diff --git a/tests/Squidex.Infrastructure.Tests/Assets/AssetStoreTests.cs b/tests/Squidex.Infrastructure.Tests/Assets/AssetStoreTests.cs
index bf6c35b64..56c74f7c3 100644
--- a/tests/Squidex.Infrastructure.Tests/Assets/AssetStoreTests.cs
+++ b/tests/Squidex.Infrastructure.Tests/Assets/AssetStoreTests.cs
@@ -34,7 +34,7 @@ namespace Squidex.Infrastructure.Assets
         [Fact]
         public Task Should_throw_exception_if_asset_to_download_is_not_found()
         {
-            ((IExternalSystem)Sut).Connect();
+            ((IInitializable)Sut).Initialize();
 
             return Assert.ThrowsAsync<AssetNotFoundException>(() => Sut.DownloadAsync(Id(), 1, "suffix", new MemoryStream()));
         }
@@ -42,7 +42,7 @@ namespace Squidex.Infrastructure.Assets
         [Fact]
         public Task Should_throw_exception_if_asset_to_copy_is_not_found()
         {
-            ((IExternalSystem)Sut).Connect();
+            ((IInitializable)Sut).Initialize();
 
             return Assert.ThrowsAsync<AssetNotFoundException>(() => Sut.CopyTemporaryAsync(Id(), Id(), 1, null));
         }
@@ -50,7 +50,7 @@ namespace Squidex.Infrastructure.Assets
         [Fact]
         public async Task Should_read_and_write_file()
         {
-            ((IExternalSystem)Sut).Connect();
+            ((IInitializable)Sut).Initialize();
 
             var assetId = Id();
             var assetData = new MemoryStream(new byte[] { 0x1, 0x2, 0x3, 0x4 });
@@ -67,7 +67,7 @@ namespace Squidex.Infrastructure.Assets
         [Fact]
         public async Task Should_commit_temporary_file()
         {
-            ((IExternalSystem)Sut).Connect();
+            ((IInitializable)Sut).Initialize();
 
             var tempId = Id();
 
@@ -87,7 +87,7 @@ namespace Squidex.Infrastructure.Assets
         [Fact]
         public async Task Should_ignore_when_deleting_twice()
         {
-            ((IExternalSystem)Sut).Connect();
+            ((IInitializable)Sut).Initialize();
 
             var tempId = Id();
 
diff --git a/tests/Squidex.Infrastructure.Tests/Assets/AzureBlobAssetStoreTests.cs b/tests/Squidex.Infrastructure.Tests/Assets/AzureBlobAssetStoreTests.cs
index dcab0c97b..47953e893 100644
--- a/tests/Squidex.Infrastructure.Tests/Assets/AzureBlobAssetStoreTests.cs
+++ b/tests/Squidex.Infrastructure.Tests/Assets/AzureBlobAssetStoreTests.cs
@@ -25,7 +25,7 @@ namespace Squidex.Infrastructure.Assets
         // [Fact]
         public void Should_calculate_source_url()
         {
-            Sut.Connect();
+            Sut.Initialize();
 
             var id = Guid.NewGuid().ToString();
 
diff --git a/tests/Squidex.Infrastructure.Tests/Assets/FolderAssetStoreTests.cs b/tests/Squidex.Infrastructure.Tests/Assets/FolderAssetStoreTests.cs
index 721b8465f..e1b5b0f16 100644
--- a/tests/Squidex.Infrastructure.Tests/Assets/FolderAssetStoreTests.cs
+++ b/tests/Squidex.Infrastructure.Tests/Assets/FolderAssetStoreTests.cs
@@ -34,13 +34,13 @@ namespace Squidex.Infrastructure.Assets
         [Fact]
         public void Should_throw_when_creating_directory_failed()
         {
-            Assert.Throws<ConfigurationException>(() => new FolderAssetStore(CreateInvalidPath(), A.Dummy<ISemanticLog>()).Connect());
+            Assert.Throws<ConfigurationException>(() => new FolderAssetStore(CreateInvalidPath(), A.Dummy<ISemanticLog>()).Initialize());
         }
 
         [Fact]
         public void Should_create_directory_when_connecting()
         {
-            Sut.Connect();
+            Sut.Initialize();
 
             Assert.True(Directory.Exists(testFolder));
         }
@@ -48,7 +48,7 @@ namespace Squidex.Infrastructure.Assets
         [Fact]
         public void Should_calculate_source_url()
         {
-            Sut.Connect();
+            Sut.Initialize();
 
             var id = Guid.NewGuid().ToString();
 
diff --git a/tests/Squidex.Infrastructure.Tests/Assets/GoogleCloudAssetStoreTests.cs b/tests/Squidex.Infrastructure.Tests/Assets/GoogleCloudAssetStoreTests.cs
index 2318a2208..f89a7e9d5 100644
--- a/tests/Squidex.Infrastructure.Tests/Assets/GoogleCloudAssetStoreTests.cs
+++ b/tests/Squidex.Infrastructure.Tests/Assets/GoogleCloudAssetStoreTests.cs
@@ -25,7 +25,7 @@ namespace Squidex.Infrastructure.Assets
         // [Fact]
         public void Should_calculate_source_url()
         {
-            Sut.Connect();
+            Sut.Initialize();
 
             var id = Guid.NewGuid().ToString();
 
diff --git a/tests/Squidex.Infrastructure.Tests/EventSourcing/Grains/EventConsumerManagerTests.cs b/tests/Squidex.Infrastructure.Tests/EventSourcing/Grains/EventConsumerManagerTests.cs
index e6d1edd31..84d336a02 100644
--- a/tests/Squidex.Infrastructure.Tests/EventSourcing/Grains/EventConsumerManagerTests.cs
+++ b/tests/Squidex.Infrastructure.Tests/EventSourcing/Grains/EventConsumerManagerTests.cs
@@ -42,7 +42,7 @@ namespace Squidex.Infrastructure.EventSourcing.Grains
         [Fact]
         public void Should_activate_all_actors()
         {
-            sut.Connect();
+            sut.Run();
 
             A.CallTo(() => actor1.Activate(consumer1))
                 .MustHaveHappened();
@@ -54,7 +54,7 @@ namespace Squidex.Infrastructure.EventSourcing.Grains
         [Fact]
         public void Should_start_correct_actor()
         {
-            sut.Connect();
+            sut.Run();
 
             pubSub.Publish(new StartConsumerMessage { ConsumerName = consumerName1 }, true);
 
@@ -68,7 +68,7 @@ namespace Squidex.Infrastructure.EventSourcing.Grains
         [Fact]
         public void Should_stop_correct_actor()
         {
-            sut.Connect();
+            sut.Run();
 
             pubSub.Publish(new StopConsumerMessage { ConsumerName = consumerName1 }, true);
 
@@ -82,7 +82,7 @@ namespace Squidex.Infrastructure.EventSourcing.Grains
         [Fact]
         public void Should_reset_correct_actor()
         {
-            sut.Connect();
+            sut.Run();
 
             pubSub.Publish(new ResetConsumerMessage { ConsumerName = consumerName2 }, true);
 
@@ -96,7 +96,7 @@ namespace Squidex.Infrastructure.EventSourcing.Grains
         [Fact]
         public async Task Should_get_state_from_all_actors()
         {
-            sut.Connect();
+            sut.Run();
 
             A.CallTo(() => actor1.GetState())
                 .Returns(new EventConsumerInfo { Name = consumerName1, Position = "123 " });
diff --git a/tests/Squidex.Infrastructure.Tests/States/StateEventSourcingTests.cs b/tests/Squidex.Infrastructure.Tests/States/StateEventSourcingTests.cs
index ac1581d2e..7af4608b9 100644
--- a/tests/Squidex.Infrastructure.Tests/States/StateEventSourcingTests.cs
+++ b/tests/Squidex.Infrastructure.Tests/States/StateEventSourcingTests.cs
@@ -88,7 +88,7 @@ namespace Squidex.Infrastructure.States
                 .Returns(key);
 
             sut = new StateFactory(pubSub, cache, eventStore, eventDataFormatter, services, streamNameResolver);
-            sut.Connect();
+            sut.Initialize();
         }
 
         [Fact]
diff --git a/tests/Squidex.Infrastructure.Tests/States/StateSnapshotTests.cs b/tests/Squidex.Infrastructure.Tests/States/StateSnapshotTests.cs
index 1a84194a0..0243c0c55 100644
--- a/tests/Squidex.Infrastructure.Tests/States/StateSnapshotTests.cs
+++ b/tests/Squidex.Infrastructure.Tests/States/StateSnapshotTests.cs
@@ -75,7 +75,7 @@ namespace Squidex.Infrastructure.States
                 .Returns(snapshotStore);
 
             sut = new StateFactory(pubSub, cache, eventStore, eventDataFormatter, services, streamNameResolver);
-            sut.Connect();
+            sut.Initialize();
         }
 
         public void Dispose()