diff --git a/src/Orchard.Web/Core/Settings/DataMigrations/SettingsDataMigration.cs b/src/Orchard.Web/Core/Settings/DataMigrations/SettingsDataMigration.cs
index 019bd1f69..83d7ed189 100644
--- a/src/Orchard.Web/Core/Settings/DataMigrations/SettingsDataMigration.cs
+++ b/src/Orchard.Web/Core/Settings/DataMigrations/SettingsDataMigration.cs
@@ -15,14 +15,14 @@ namespace Orchard.Core.Settings.DataMigrations {
                 .Column<int>("Id", column => column.PrimaryKey().Identity())
                 .Column<string>("Name")
                 .Column<bool>("Hidden")
-                .Column<string>("Settings")
+                .Column<string>("Settings", column => column.Unlimited())
                 );
 
             //CREATE TABLE Settings_ContentPartFieldDefinitionRecord (Id  integer, Name TEXT, Settings TEXT, ContentFieldDefinitionRecord_id INTEGER,  INTEGER, primary key (Id));
             SchemaBuilder.CreateTable("ContentPartFieldDefinitionRecord", table => table
                 .Column<int>("Id", column => column.PrimaryKey().Identity())
                 .Column<string>("Name")
-                .Column<string>("Settings")
+                .Column<string>("Settings", column => column.Unlimited())
                 .Column<int>("ContentFieldDefinitionRecord_id")
                 .Column<int>("ContentPartDefinitionRecord_Id")
                 );
@@ -33,13 +33,13 @@ namespace Orchard.Core.Settings.DataMigrations {
                 .Column<string>("Name")
                 .Column<string>("DisplayName")
                 .Column<bool>("Hidden")
-                .Column<string>("Settings")
+                .Column<string>("Settings", column => column.Unlimited())
                 );
 
             //CREATE TABLE Settings_ContentTypePartDefinitionRecord (Id  integer, Settings TEXT, ContentPartDefinitionRecord_id INTEGER, ContentTypeDefinitionRecord_Id INTEGER, primary key (Id));
             SchemaBuilder.CreateTable("ContentTypePartDefinitionRecord", table => table
                 .Column<int>("Id", column => column.PrimaryKey().Identity())
-                .Column<string>("Settings")
+                .Column<string>("Settings", column => column.Unlimited())
                 .Column<int>("ContentPartDefinitionRecord_id")
                 .Column<int>("ContentTypeDefinitionRecord_Id")
                 );
diff --git a/src/Orchard.Web/Core/Settings/Metadata/Records/ContentPartDefinitionRecord.cs b/src/Orchard.Web/Core/Settings/Metadata/Records/ContentPartDefinitionRecord.cs
index 76045f25b..9092fe5b4 100644
--- a/src/Orchard.Web/Core/Settings/Metadata/Records/ContentPartDefinitionRecord.cs
+++ b/src/Orchard.Web/Core/Settings/Metadata/Records/ContentPartDefinitionRecord.cs
@@ -10,6 +10,7 @@ namespace Orchard.Core.Settings.Metadata.Records {
         public virtual int Id { get; set; }
         public virtual string Name { get; set; }
         public virtual bool Hidden { get; set; }
+        [StringLengthMax]
         public virtual string Settings { get; set; }
 
         [CascadeAllDeleteOrphan]
diff --git a/src/Orchard.Web/Core/Settings/Metadata/Records/ContentPartFieldDefinitionRecord.cs b/src/Orchard.Web/Core/Settings/Metadata/Records/ContentPartFieldDefinitionRecord.cs
index f85da77d0..7b745053e 100644
--- a/src/Orchard.Web/Core/Settings/Metadata/Records/ContentPartFieldDefinitionRecord.cs
+++ b/src/Orchard.Web/Core/Settings/Metadata/Records/ContentPartFieldDefinitionRecord.cs
@@ -1,8 +1,11 @@
-namespace Orchard.Core.Settings.Metadata.Records {
+using Orchard.Data.Conventions;
+
+namespace Orchard.Core.Settings.Metadata.Records {
     public class ContentPartFieldDefinitionRecord {
         public virtual int Id { get; set; }
         public virtual ContentFieldDefinitionRecord ContentFieldDefinitionRecord { get; set; }
         public virtual string Name { get; set; }
+        [StringLengthMax]
         public virtual string Settings { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/Orchard.Web/Core/Settings/Metadata/Records/ContentTypeDefinitionRecord.cs b/src/Orchard.Web/Core/Settings/Metadata/Records/ContentTypeDefinitionRecord.cs
index a9870689e..46120d7fd 100644
--- a/src/Orchard.Web/Core/Settings/Metadata/Records/ContentTypeDefinitionRecord.cs
+++ b/src/Orchard.Web/Core/Settings/Metadata/Records/ContentTypeDefinitionRecord.cs
@@ -11,6 +11,7 @@ namespace Orchard.Core.Settings.Metadata.Records {
         public virtual string Name { get; set; }
         public virtual string DisplayName { get; set; }
         public virtual bool Hidden { get; set; }
+        [StringLengthMax]
         public virtual string Settings { get; set; }
 
         [CascadeAllDeleteOrphan]
diff --git a/src/Orchard.Web/Core/Settings/Metadata/Records/ContentTypePartDefinitionRecord.cs b/src/Orchard.Web/Core/Settings/Metadata/Records/ContentTypePartDefinitionRecord.cs
index 72a6fe137..4345a72c3 100644
--- a/src/Orchard.Web/Core/Settings/Metadata/Records/ContentTypePartDefinitionRecord.cs
+++ b/src/Orchard.Web/Core/Settings/Metadata/Records/ContentTypePartDefinitionRecord.cs
@@ -1,7 +1,10 @@
+using Orchard.Data.Conventions;
+
 namespace Orchard.Core.Settings.Metadata.Records {
     public class ContentTypePartDefinitionRecord {
         public virtual int Id { get; set; }
         public virtual ContentPartDefinitionRecord ContentPartDefinitionRecord { get; set; }
+        [StringLengthMax]
         public virtual string Settings { get; set; }
     }
 }