diff --git a/NuGet.config b/NuGet.config
index 6ff8694ba..7f465c218 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -2,9 +2,9 @@
 <configuration>
 	<packageSources>
 		<add key="NuGet" value="https://api.nuget.org/v3/index.json" />
-		<add key="linq2db" value="https://www.myget.org/F/linq2db/api/v3/index.json" />
+		<!--<add key="linq2db" value="https://www.myget.org/F/linq2db/api/v3/index.json" />
 		<add key="dotnet-core" value="https://dotnet.myget.org/F/dotnet-core/api/v3/index.json" />
 		<add key="aspnetcore-dev" value="https://dotnet.myget.org/F/aspnetcore-dev/api/v3/index.json" />
-		<add key="aspnetcore-tools" value="https://dotnet.myget.org/F/aspnetcore-tools/api/v3/index.json" />
+		<add key="aspnetcore-tools" value="https://dotnet.myget.org/F/aspnetcore-tools/api/v3/index.json" />-->
 	</packageSources>
 </configuration>
\ No newline at end of file
diff --git a/samples/IdentitySample.Mvc/Startup.cs b/samples/IdentitySample.Mvc/Startup.cs
index 3199b366d..9b9810a16 100644
--- a/samples/IdentitySample.Mvc/Startup.cs
+++ b/samples/IdentitySample.Mvc/Startup.cs
@@ -43,7 +43,7 @@ public void ConfigureServices(IServiceCollection services)
 				.AddConfiguration(
 					"Default",
 					Configuration["Data:DefaultConnection:ConnectionString"],
-					new SqlServerDataProvider("Default", SqlServerVersion.v2012, SqlServerProvider.SystemDataSqlClient));
+					SqlServerTools.GetDataProvider(SqlServerVersion.v2012, SqlServerProvider.SystemDataSqlClient));
 
 			DataConnection.DefaultConfiguration = "Default";
 
diff --git a/src/LinqToDB.Identity/IdentityDataConnection.cs b/src/LinqToDB.Identity/IdentityDataConnection.cs
index 3995d0d17..52b2507fb 100644
--- a/src/LinqToDB.Identity/IdentityDataConnection.cs
+++ b/src/LinqToDB.Identity/IdentityDataConnection.cs
@@ -1,8 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
 using System;
 using System.Data;
+using System.Data.Common;
 using LinqToDB.Data;
 using LinqToDB.DataProvider;
 
@@ -19,8 +17,8 @@ public class IdentityDataConnection : IdentityDataConnection<IdentityUser, Ident
 		///     Constructor
 		/// </summary>
 		/// <param name="dataProvider">Data provider object, see <see cref="IDataProvider" /></param>
-		/// <param name="connection">Connection object <see cref="IDbConnection" /></param>
-		public IdentityDataConnection(IDataProvider dataProvider, IDbConnection connection)
+		/// <param name="connection">Connection object <see cref="DbConnection" /></param>
+		public IdentityDataConnection(IDataProvider dataProvider, DbConnection connection)
 			: base(dataProvider, connection)
 		{
 		}
@@ -29,8 +27,8 @@ public IdentityDataConnection(IDataProvider dataProvider, IDbConnection connecti
 		///     Constructor
 		/// </summary>
 		/// <param name="dataProvider">Data provider object, see <see cref="IDataProvider" /></param>
-		/// <param name="transaction">Transdaction object <see cref="IDbTransaction" /></param>
-		public IdentityDataConnection(IDataProvider dataProvider, IDbTransaction transaction)
+		/// <param name="transaction">Transdaction object <see cref="DbTransaction" /></param>
+		public IdentityDataConnection(IDataProvider dataProvider, DbTransaction transaction)
 			: base(dataProvider, transaction)
 		{
 		}
@@ -87,8 +85,8 @@ public class IdentityDataConnection<TUser> : IdentityDataConnection<TUser, Ident
 		///     Constructor
 		/// </summary>
 		/// <param name="dataProvider">Data provider object, see <see cref="IDataProvider" /></param>
-		/// <param name="connection">Connection object <see cref="IDbConnection" /></param>
-		public IdentityDataConnection(IDataProvider dataProvider, IDbConnection connection)
+		/// <param name="connection">Connection object <see cref="DbConnection" /></param>
+		public IdentityDataConnection(IDataProvider dataProvider, DbConnection connection)
 			: base(dataProvider, connection)
 		{
 		}
@@ -97,8 +95,8 @@ public IdentityDataConnection(IDataProvider dataProvider, IDbConnection connecti
 		///     Constructor
 		/// </summary>
 		/// <param name="dataProvider">Data provider object, see <see cref="IDataProvider" /></param>
-		/// <param name="transaction">Transdaction object <see cref="IDbTransaction" /></param>
-		public IdentityDataConnection(IDataProvider dataProvider, IDbTransaction transaction)
+		/// <param name="transaction">Transdaction object <see cref="DbTransaction" /></param>
+		public IdentityDataConnection(IDataProvider dataProvider, DbTransaction transaction)
 			: base(dataProvider, transaction)
 		{
 		}
@@ -162,8 +160,8 @@ public class IdentityDataConnection<TUser, TRole, TKey> :
 		///     Constructor
 		/// </summary>
 		/// <param name="dataProvider">Data provider object, see <see cref="IDataProvider" /></param>
-		/// <param name="connection">Connection object <see cref="IDbConnection" /></param>
-		public IdentityDataConnection(IDataProvider dataProvider, IDbConnection connection)
+		/// <param name="connection">Connection object <see cref="DbConnection" /></param>
+		public IdentityDataConnection(IDataProvider dataProvider, DbConnection connection)
 			: base(dataProvider, connection)
 		{
 		}
@@ -172,8 +170,8 @@ public IdentityDataConnection(IDataProvider dataProvider, IDbConnection connecti
 		///     Constructor
 		/// </summary>
 		/// <param name="dataProvider">Data provider object, see <see cref="IDataProvider" /></param>
-		/// <param name="transaction">Transdaction object <see cref="IDbTransaction" /></param>
-		public IdentityDataConnection(IDataProvider dataProvider, IDbTransaction transaction)
+		/// <param name="transaction">Transdaction object <see cref="DbTransaction" /></param>
+		public IdentityDataConnection(IDataProvider dataProvider, DbTransaction transaction)
 			: base(dataProvider, transaction)
 		{
 		}
@@ -245,8 +243,8 @@ public class IdentityDataConnection<TUser, TRole, TKey, TUserClaim, TUserRole, T
 		///     Constructor
 		/// </summary>
 		/// <param name="dataProvider">Data provider object, see <see cref="IDataProvider" /></param>
-		/// <param name="connection">Connection object <see cref="IDbConnection" /></param>
-		public IdentityDataConnection(IDataProvider dataProvider, IDbConnection connection)
+		/// <param name="connection">Connection object <see cref="DbConnection" /></param>
+		public IdentityDataConnection(IDataProvider dataProvider, DbConnection connection)
 			: base(dataProvider, connection)
 		{
 		}
@@ -255,8 +253,8 @@ public IdentityDataConnection(IDataProvider dataProvider, IDbConnection connecti
 		///     Constructor
 		/// </summary>
 		/// <param name="dataProvider">Data provider object, see <see cref="IDataProvider" /></param>
-		/// <param name="transaction">Transdaction object <see cref="IDbTransaction" /></param>
-		public IdentityDataConnection(IDataProvider dataProvider, IDbTransaction transaction)
+		/// <param name="transaction">Transdaction object <see cref="DbTransaction" /></param>
+		public IdentityDataConnection(IDataProvider dataProvider, DbTransaction transaction)
 			: base(dataProvider, transaction)
 		{
 		}
@@ -304,37 +302,37 @@ public IdentityDataConnection()
 		/// <summary>
 		///     Gets the <see cref="ITable{TEntity}" /> of Users.
 		/// </summary>
-		public ITable<TUser> Users => GetTable<TUser>();
+		public ITable<TUser> Users => this.GetTable<TUser>();
 
 		/// <summary>
 		///     Gets the <see cref="ITable{TEntity}" /> of User claims.
 		/// </summary>
-		public ITable<TUserClaim> UserClaims => GetTable<TUserClaim>();
+		public ITable<TUserClaim> UserClaims => this.GetTable<TUserClaim>();
 
 		/// <summary>
 		///     Gets the <see cref="ITable{TEntity}" /> of User logins.
 		/// </summary>
-		public ITable<TUserLogin> UserLogins => GetTable<TUserLogin>();
+		public ITable<TUserLogin> UserLogins => this.GetTable<TUserLogin>();
 
 		/// <summary>
 		///     Gets the <see cref="ITable{TEntity}" /> of User roles.
 		/// </summary>
-		public ITable<TUserRole> UserRoles => GetTable<TUserRole>();
+		public ITable<TUserRole> UserRoles => this.GetTable<TUserRole>();
 
 		/// <summary>
 		///     Gets the <see cref="ITable{TEntity}" /> of User tokens.
 		/// </summary>
-		public ITable<TUserToken> UserTokens => GetTable<TUserToken>();
+		public ITable<TUserToken> UserTokens => this.GetTable<TUserToken>();
 
 		/// <summary>
 		///     Gets the <see cref="ITable{TEntity}" /> of roles.
 		/// </summary>
-		public ITable<TRole> Roles => GetTable<TRole>();
+		public ITable<TRole> Roles => this.GetTable<TRole>();
 
 		/// <summary>
 		///     Gets the <see cref="ITable{TEntity}" /> of role claims.
 		/// </summary>
-		public ITable<TRoleClaim> RoleClaims => GetTable<TRoleClaim>();
+		public ITable<TRoleClaim> RoleClaims => this.GetTable<TRoleClaim>();
 
 		#endregion
 	}
diff --git a/src/LinqToDB.Identity/IdentityLinqToDbBuilderExtensions.cs b/src/LinqToDB.Identity/IdentityLinqToDbBuilderExtensions.cs
index 9e55801a8..b85a5a73f 100644
--- a/src/LinqToDB.Identity/IdentityLinqToDbBuilderExtensions.cs
+++ b/src/LinqToDB.Identity/IdentityLinqToDbBuilderExtensions.cs
@@ -1,6 +1,3 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
 using System;
 using LinqToDB;
 using LinqToDB.Data;
diff --git a/src/LinqToDB.Identity/IdentityRole.cs b/src/LinqToDB.Identity/IdentityRole.cs
index 74fd87f21..23639ebc5 100644
--- a/src/LinqToDB.Identity/IdentityRole.cs
+++ b/src/LinqToDB.Identity/IdentityRole.cs
@@ -1,6 +1,3 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
 using System;
 using System.Collections.Generic;
 using LinqToDB.Mapping;
diff --git a/src/LinqToDB.Identity/IdentityRoleClaim.cs b/src/LinqToDB.Identity/IdentityRoleClaim.cs
index bab7bbdbf..9034d352b 100644
--- a/src/LinqToDB.Identity/IdentityRoleClaim.cs
+++ b/src/LinqToDB.Identity/IdentityRoleClaim.cs
@@ -1,6 +1,3 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
 using System;
 using System.Security.Claims;
 
diff --git a/src/LinqToDB.Identity/IdentityUser.cs b/src/LinqToDB.Identity/IdentityUser.cs
index 343a91f12..acf40a214 100644
--- a/src/LinqToDB.Identity/IdentityUser.cs
+++ b/src/LinqToDB.Identity/IdentityUser.cs
@@ -1,6 +1,3 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
 using System;
 using System.Collections.Generic;
 using LinqToDB.Mapping;
diff --git a/src/LinqToDB.Identity/IdentityUserClaim.cs b/src/LinqToDB.Identity/IdentityUserClaim.cs
index 7d6c2c8fc..5efbb22e3 100644
--- a/src/LinqToDB.Identity/IdentityUserClaim.cs
+++ b/src/LinqToDB.Identity/IdentityUserClaim.cs
@@ -1,5 +1,3 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 using System;
 using System.Security.Claims;
 
diff --git a/src/LinqToDB.Identity/IdentityUserLogin.cs b/src/LinqToDB.Identity/IdentityUserLogin.cs
index fa45468ef..6ceb4cafa 100644
--- a/src/LinqToDB.Identity/IdentityUserLogin.cs
+++ b/src/LinqToDB.Identity/IdentityUserLogin.cs
@@ -1,6 +1,3 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
 using System;
 
 namespace LinqToDB.Identity
diff --git a/src/LinqToDB.Identity/IdentityUserRole.cs b/src/LinqToDB.Identity/IdentityUserRole.cs
index db4a477af..e767e11b6 100644
--- a/src/LinqToDB.Identity/IdentityUserRole.cs
+++ b/src/LinqToDB.Identity/IdentityUserRole.cs
@@ -1,5 +1,3 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 using System;
 
 namespace LinqToDB.Identity
diff --git a/src/LinqToDB.Identity/IdentityUserToken.cs b/src/LinqToDB.Identity/IdentityUserToken.cs
index e59c91e13..3d82f306d 100644
--- a/src/LinqToDB.Identity/IdentityUserToken.cs
+++ b/src/LinqToDB.Identity/IdentityUserToken.cs
@@ -1,6 +1,3 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
 using System;
 
 namespace LinqToDB.Identity
diff --git a/src/LinqToDB.Identity/LinqToDB.Identity.csproj b/src/LinqToDB.Identity/LinqToDB.Identity.csproj
index b4fcc1313..aab52bc8d 100644
--- a/src/LinqToDB.Identity/LinqToDB.Identity.csproj
+++ b/src/LinqToDB.Identity/LinqToDB.Identity.csproj
@@ -2,9 +2,9 @@
 
 	<PropertyGroup>
 		<Description>ASP.NET Core Identity provider that uses LinqToDB.</Description>
-		<VersionPrefix>3.3.0</VersionPrefix>
-		<Version>3.3.0</Version>
-		<PackageVersion>3.3.0</PackageVersion>
+		<VersionPrefix>3.4.0</VersionPrefix>
+		<Version>3.4.0</Version>
+		<PackageVersion>3.4.0</PackageVersion>
 		
 		<Authors>Ilya Chudin</Authors>
 		
@@ -41,7 +41,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="linq2db" Version="3.3.0" />
+		<PackageReference Include="linq2db" Version="4.4.0" />
 	
 		<PackageReference Include="Microsoft.AspNetCore.Identity" Version="2.1.2" />
 		<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.1.1" />
diff --git a/src/LinqToDB.Identity/Properties/AssemblyInfo.cs b/src/LinqToDB.Identity/Properties/AssemblyInfo.cs
index 9afa460b2..98228be13 100644
--- a/src/LinqToDB.Identity/Properties/AssemblyInfo.cs
+++ b/src/LinqToDB.Identity/Properties/AssemblyInfo.cs
@@ -1,11 +1,8 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
 using System.Reflection;
 using System.Resources;
 
 [assembly: AssemblyMetadata("Serviceable", "True")]
 [assembly: NeutralResourcesLanguage("en-us")]
 [assembly: AssemblyCompany("linq2db.com")]
-[assembly: AssemblyCopyright("© 2011-2021 linq2db.com")]
+[assembly: AssemblyCopyright("© 2011-2022 linq2db.com")]
 [assembly: AssemblyProduct("Linq to DB")]
\ No newline at end of file
diff --git a/src/LinqToDB.Identity/RoleStore.cs b/src/LinqToDB.Identity/RoleStore.cs
index e6c47a103..e9b9895d7 100644
--- a/src/LinqToDB.Identity/RoleStore.cs
+++ b/src/LinqToDB.Identity/RoleStore.cs
@@ -1,6 +1,3 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
diff --git a/src/LinqToDB.Identity/UserStore.cs b/src/LinqToDB.Identity/UserStore.cs
index 3795a3ab4..b4dc4724d 100644
--- a/src/LinqToDB.Identity/UserStore.cs
+++ b/src/LinqToDB.Identity/UserStore.cs
@@ -1,6 +1,3 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;