diff --git a/src/Squidex.Infrastructure/Assets/AssetNotFoundException.cs b/src/Squidex.Infrastructure/Assets/AssetNotFoundException.cs
index 86a5a9f92..92e9009cc 100644
--- a/src/Squidex.Infrastructure/Assets/AssetNotFoundException.cs
+++ b/src/Squidex.Infrastructure/Assets/AssetNotFoundException.cs
@@ -7,9 +7,11 @@
 // ==========================================================================
 
 using System;
+using System.Runtime.Serialization;
 
 namespace Squidex.Infrastructure.Assets
 {
+    [Serializable]
     public class AssetNotFoundException : Exception
     {
         public AssetNotFoundException()
@@ -25,5 +27,10 @@ namespace Squidex.Infrastructure.Assets
             : base(message, inner)
         {
         }
+
+        protected AssetNotFoundException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
     }
 }
diff --git a/src/Squidex.Infrastructure/CQRS/Events/WrongEventVersionException.cs b/src/Squidex.Infrastructure/CQRS/Events/WrongEventVersionException.cs
index 030197c3f..010e32dfe 100644
--- a/src/Squidex.Infrastructure/CQRS/Events/WrongEventVersionException.cs
+++ b/src/Squidex.Infrastructure/CQRS/Events/WrongEventVersionException.cs
@@ -7,6 +7,7 @@
 // ==========================================================================
 
 using System;
+using System.Runtime.Serialization;
 
 namespace Squidex.Infrastructure.CQRS.Events
 {
@@ -33,6 +34,11 @@ namespace Squidex.Infrastructure.CQRS.Events
             this.expectedVersion = expectedVersion;
         }
 
+        protected WrongEventVersionException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
+
         private static string FormatMessage(long currentVersion, long expectedVersion)
         {
             return $"Requested version {expectedVersion}, but found {currentVersion}.";
diff --git a/src/Squidex.Infrastructure/ConfigurationException.cs b/src/Squidex.Infrastructure/ConfigurationException.cs
index ce116635d..158447040 100644
--- a/src/Squidex.Infrastructure/ConfigurationException.cs
+++ b/src/Squidex.Infrastructure/ConfigurationException.cs
@@ -7,10 +7,12 @@
 // ==========================================================================
 
 using System;
+using System.Runtime.Serialization;
 
 namespace Squidex.Infrastructure
 {
-    public sealed class ConfigurationException : Exception
+    [Serializable]
+    public class ConfigurationException : Exception
     {
         public ConfigurationException()
         {
@@ -25,5 +27,10 @@ namespace Squidex.Infrastructure
             : base(message, inner)
         {
         }
+
+        protected ConfigurationException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
     }
 }
diff --git a/src/Squidex.Infrastructure/DomainException.cs b/src/Squidex.Infrastructure/DomainException.cs
index 6fa8f9be7..89e3767fa 100644
--- a/src/Squidex.Infrastructure/DomainException.cs
+++ b/src/Squidex.Infrastructure/DomainException.cs
@@ -7,9 +7,11 @@
 // ==========================================================================
 
 using System;
+using System.Runtime.Serialization;
 
 namespace Squidex.Infrastructure
 {
+    [Serializable]
     public class DomainException : Exception
     {
         public DomainException(string message)
@@ -21,5 +23,10 @@ namespace Squidex.Infrastructure
             : base(message, inner)
         {
         }
+
+        protected DomainException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
     }
 }
diff --git a/src/Squidex.Infrastructure/DomainForbiddenException.cs b/src/Squidex.Infrastructure/DomainForbiddenException.cs
index 13a838583..49a45957e 100644
--- a/src/Squidex.Infrastructure/DomainForbiddenException.cs
+++ b/src/Squidex.Infrastructure/DomainForbiddenException.cs
@@ -7,9 +7,11 @@
 // ==========================================================================
 
 using System;
+using System.Runtime.Serialization;
 
 namespace Squidex.Infrastructure
 {
+    [Serializable]
     public class DomainForbiddenException : DomainException
     {
         public DomainForbiddenException(string message)
@@ -21,5 +23,10 @@ namespace Squidex.Infrastructure
             : base(message, inner)
         {
         }
+
+        protected DomainForbiddenException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
     }
 }
diff --git a/src/Squidex.Infrastructure/DomainObjectDeletedException.cs b/src/Squidex.Infrastructure/DomainObjectDeletedException.cs
index 17d27bdf0..307d52d2b 100644
--- a/src/Squidex.Infrastructure/DomainObjectDeletedException.cs
+++ b/src/Squidex.Infrastructure/DomainObjectDeletedException.cs
@@ -7,9 +7,11 @@
 // ==========================================================================
 
 using System;
+using System.Runtime.Serialization;
 
 namespace Squidex.Infrastructure
 {
+    [Serializable]
     public class DomainObjectDeletedException : DomainObjectException
     {
         public DomainObjectDeletedException(string id, Type type)
@@ -17,6 +19,11 @@ namespace Squidex.Infrastructure
         {
         }
 
+        protected DomainObjectDeletedException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
+
         private static string FormatMessage(string id, Type type)
         {
             return $"Domain object \'{id}\' (type {type}) already deleted.";
diff --git a/src/Squidex.Infrastructure/DomainObjectException.cs b/src/Squidex.Infrastructure/DomainObjectException.cs
index bfa481488..cf5498093 100644
--- a/src/Squidex.Infrastructure/DomainObjectException.cs
+++ b/src/Squidex.Infrastructure/DomainObjectException.cs
@@ -7,9 +7,11 @@
 // ==========================================================================
 
 using System;
+using System.Runtime.Serialization;
 
 namespace Squidex.Infrastructure
 {
+    [Serializable]
     public class DomainObjectException : Exception
     {
         private readonly string id;
@@ -32,5 +34,10 @@ namespace Squidex.Infrastructure
 
             typeName = type?.Name;
         }
+
+        protected DomainObjectException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
     }
 }
diff --git a/src/Squidex.Infrastructure/DomainObjectNotFoundException.cs b/src/Squidex.Infrastructure/DomainObjectNotFoundException.cs
index 65d3872d2..472259bf0 100644
--- a/src/Squidex.Infrastructure/DomainObjectNotFoundException.cs
+++ b/src/Squidex.Infrastructure/DomainObjectNotFoundException.cs
@@ -7,9 +7,11 @@
 // ==========================================================================
 
 using System;
+using System.Runtime.Serialization;
 
 namespace Squidex.Infrastructure
 {
+    [Serializable]
     public class DomainObjectNotFoundException : DomainObjectException
     {
         public DomainObjectNotFoundException(string id, Type type)
@@ -22,6 +24,11 @@ namespace Squidex.Infrastructure
         {
         }
 
+        protected DomainObjectNotFoundException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
+
         private static string FormatMessage(string id, Type type)
         {
             return $"Domain object \'{id}\' (type {type}) is not found.";
diff --git a/src/Squidex.Infrastructure/DomainObjectVersionException.cs b/src/Squidex.Infrastructure/DomainObjectVersionException.cs
index 19599594d..7408f52fe 100644
--- a/src/Squidex.Infrastructure/DomainObjectVersionException.cs
+++ b/src/Squidex.Infrastructure/DomainObjectVersionException.cs
@@ -10,7 +10,8 @@ using System;
 
 namespace Squidex.Infrastructure
 {
-    public class DomainObjectVersionException : DomainObjectException
+    [Serializable]
+    public sealed class DomainObjectVersionException : DomainObjectException
     {
         private readonly long currentVersion;
         private readonly long expectedVersion;
@@ -33,6 +34,11 @@ namespace Squidex.Infrastructure
             this.expectedVersion = expectedVersion;
         }
 
+        protected DomainObjectVersionException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
+
         private static string FormatMessage(string id, Type type, long currentVersion, long expectedVersion)
         {
             return $"Requested version {expectedVersion} for object '{id}' (type {type}), but found {currentVersion}.";
diff --git a/src/Squidex.Infrastructure/Orleans/OrleansException.cs b/src/Squidex.Infrastructure/Orleans/OrleansException.cs
new file mode 100644
index 000000000..d54b3d399
--- /dev/null
+++ b/src/Squidex.Infrastructure/Orleans/OrleansException.cs
@@ -0,0 +1,38 @@
+// ==========================================================================
+//  OrleansException.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using System.Runtime.Serialization;
+
+namespace Squidex.Infrastructure.Orleans
+{
+    [Serializable]
+    public class OrleansException : Exception
+    {
+        public OrleansException()
+        {
+        }
+
+        public OrleansException(string message)
+            : base(message)
+        {
+        }
+
+        public OrleansException(string message, Exception inner)
+            : base(message, inner)
+        {
+        }
+
+        protected OrleansException(
+            SerializationInfo info,
+            StreamingContext context)
+            : base(info, context)
+        {
+        }
+    }
+}
diff --git a/src/Squidex.Infrastructure/TypeNameNotFoundException.cs b/src/Squidex.Infrastructure/TypeNameNotFoundException.cs
index 35c5db9ff..520351477 100644
--- a/src/Squidex.Infrastructure/TypeNameNotFoundException.cs
+++ b/src/Squidex.Infrastructure/TypeNameNotFoundException.cs
@@ -7,9 +7,11 @@
 // ==========================================================================
 
 using System;
+using System.Runtime.Serialization;
 
 namespace Squidex.Infrastructure
 {
+    [Serializable]
     public class TypeNameNotFoundException : Exception
     {
         public TypeNameNotFoundException()
@@ -25,5 +27,10 @@ namespace Squidex.Infrastructure
             : base(message, inner)
         {
         }
+
+        protected TypeNameNotFoundException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
     }
 }
diff --git a/src/Squidex.Infrastructure/ValidationException.cs b/src/Squidex.Infrastructure/ValidationException.cs
index 637021487..71034ed5b 100644
--- a/src/Squidex.Infrastructure/ValidationException.cs
+++ b/src/Squidex.Infrastructure/ValidationException.cs
@@ -9,9 +9,11 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Serialization;
 
 namespace Squidex.Infrastructure
 {
+    [Serializable]
     public class ValidationException : Exception
     {
         private static readonly List<ValidationError> FallbackErrors = new List<ValidationError>();
@@ -46,6 +48,11 @@ namespace Squidex.Infrastructure
             this.errors = errors ?? FallbackErrors;
         }
 
+        protected ValidationException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
+
         public override string ToString()
         {
             return string.Join(" ", Enumerable.Repeat(Message, 1).Union(Errors.Select(x => x.Message)));