diff --git a/Volo.Abp.sln b/Volo.Abp.sln
index 80831e61b7..42fddd577f 100644
--- a/Volo.Abp.sln
+++ b/Volo.Abp.sln
@@ -136,6 +136,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Volo.Abp.Identity.Applicati
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Volo.Abp.Identity.Domain", "src\Volo.Abp.Identity.Domain\Volo.Abp.Identity.Domain.csproj", "{43D4005C-4F04-4128-937B-52BEAC5A113B}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Volo.Abp.Identity.Domain.Shared", "src\Volo.Abp.Identity.Domain.Shared\Volo.Abp.Identity.Domain.Shared.csproj", "{DF676F73-3FC9-46CE-909A-2D75E19982AD}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -342,6 +344,10 @@ Global
 		{43D4005C-4F04-4128-937B-52BEAC5A113B}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{43D4005C-4F04-4128-937B-52BEAC5A113B}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{43D4005C-4F04-4128-937B-52BEAC5A113B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{DF676F73-3FC9-46CE-909A-2D75E19982AD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DF676F73-3FC9-46CE-909A-2D75E19982AD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DF676F73-3FC9-46CE-909A-2D75E19982AD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DF676F73-3FC9-46CE-909A-2D75E19982AD}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -406,6 +412,7 @@ Global
 		{703BD43C-02B9-413F-854C-9CBA0C963196} = {37087D1B-3693-4E96-983D-A69F210BDE53}
 		{40E21A35-1C66-4E89-A16E-0475011F7EFD} = {146F561E-C7B8-4166-9383-47E1BC1A2E62}
 		{43D4005C-4F04-4128-937B-52BEAC5A113B} = {1895A5C9-50D4-4568-9A3A-14657E615A5E}
+		{DF676F73-3FC9-46CE-909A-2D75E19982AD} = {1895A5C9-50D4-4568-9A3A-14657E615A5E}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {BB97ECF4-9A84-433F-A80B-2A3285BDD1D5}
diff --git a/src/Volo.Abp.Identity.Application.Contracts/Volo.Abp.Identity.Application.Contracts.csproj b/src/Volo.Abp.Identity.Application.Contracts/Volo.Abp.Identity.Application.Contracts.csproj
index 22e26eb056..af0970e43d 100644
--- a/src/Volo.Abp.Identity.Application.Contracts/Volo.Abp.Identity.Application.Contracts.csproj
+++ b/src/Volo.Abp.Identity.Application.Contracts/Volo.Abp.Identity.Application.Contracts.csproj
@@ -12,6 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\Volo.Abp.Identity.Domain.Shared\Volo.Abp.Identity.Domain.Shared.csproj" />
     <ProjectReference Include="..\Volo.Abp\Volo.Abp.csproj" />
   </ItemGroup>
 
diff --git a/src/Volo.Abp.Identity.Application.Contracts/Volo/Abp/Identity/IdentityRoleCreateOrUpdateDtoBase.cs b/src/Volo.Abp.Identity.Application.Contracts/Volo/Abp/Identity/IdentityRoleCreateOrUpdateDtoBase.cs
index 9f164bd651..708b2dde1f 100644
--- a/src/Volo.Abp.Identity.Application.Contracts/Volo/Abp/Identity/IdentityRoleCreateOrUpdateDtoBase.cs
+++ b/src/Volo.Abp.Identity.Application.Contracts/Volo/Abp/Identity/IdentityRoleCreateOrUpdateDtoBase.cs
@@ -1,7 +1,11 @@
-namespace Volo.Abp.Identity
+using System.ComponentModel.DataAnnotations;
+
+namespace Volo.Abp.Identity
 {
     public class IdentityRoleCreateOrUpdateDtoBase
     {
+        [Required]
+        [MaxLength(IdentityRoleConsts.MaxNameLength)]
         public string Name { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/Volo.Abp.Identity.Application.Contracts/Volo/Abp/Identity/IdentityUserCreateDto.cs b/src/Volo.Abp.Identity.Application.Contracts/Volo/Abp/Identity/IdentityUserCreateDto.cs
index f5f2efbeed..9be8f957a4 100644
--- a/src/Volo.Abp.Identity.Application.Contracts/Volo/Abp/Identity/IdentityUserCreateDto.cs
+++ b/src/Volo.Abp.Identity.Application.Contracts/Volo/Abp/Identity/IdentityUserCreateDto.cs
@@ -2,10 +2,10 @@
 
 namespace Volo.Abp.Identity
 {
-    public class IdentityUserCreateDto: IdentityUserCreateOrUpdateDtoBase
+    public class IdentityUserCreateDto : IdentityUserCreateOrUpdateDtoBase
     {
         [Required]
-        [MaxLength(16)] //TODO: Create a shared dll of Identity and move consts to there for sharing!
+        [MaxLength(IdentityUserConsts.MaxPasswordLength)]
         public string Password { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/Volo.Abp.Identity.Application.Contracts/Volo/Abp/Identity/IdentityUserCreateOrUpdateDtoBase.cs b/src/Volo.Abp.Identity.Application.Contracts/Volo/Abp/Identity/IdentityUserCreateOrUpdateDtoBase.cs
index 1e316bf838..939aea04a1 100644
--- a/src/Volo.Abp.Identity.Application.Contracts/Volo/Abp/Identity/IdentityUserCreateOrUpdateDtoBase.cs
+++ b/src/Volo.Abp.Identity.Application.Contracts/Volo/Abp/Identity/IdentityUserCreateOrUpdateDtoBase.cs
@@ -1,13 +1,18 @@
-using JetBrains.Annotations;
+using System.ComponentModel.DataAnnotations;
+using JetBrains.Annotations;
 
 namespace Volo.Abp.Identity
 {
     public abstract class IdentityUserCreateOrUpdateDtoBase
     {
+        [Required]
+        [MaxLength(IdentityUserConsts.MaxUserNameLength)]
         public string UserName { get; set; }
 
+        [MaxLength(IdentityUserConsts.MaxEmailLength)]
         public string Email { get; set; }
 
+        [MaxLength(IdentityUserConsts.MaxPhoneNumberLength)]
         public string PhoneNumber { get; set; }
 
         public bool TwoFactorEnabled { get; set; } //TODO: Optional?
diff --git a/src/Volo.Abp.Identity.Domain.Shared/Volo.Abp.Identity.Domain.Shared.csproj b/src/Volo.Abp.Identity.Domain.Shared/Volo.Abp.Identity.Domain.Shared.csproj
new file mode 100644
index 0000000000..4e3b633d19
--- /dev/null
+++ b/src/Volo.Abp.Identity.Domain.Shared/Volo.Abp.Identity.Domain.Shared.csproj
@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <AssemblyName>Volo.Abp.Identity.Domain.Shared</AssemblyName>
+    <PackageId>Volo.Abp.Identity.Domain.Shared</PackageId>
+    <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
+    <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
+    <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
+    <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
+    <RootNamespace />
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Volo.Abp\Volo.Abp.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/AbpIdentityDomainSharedModule.cs b/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/AbpIdentityDomainSharedModule.cs
new file mode 100644
index 0000000000..ffb7b7cb80
--- /dev/null
+++ b/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/AbpIdentityDomainSharedModule.cs
@@ -0,0 +1,9 @@
+using Volo.Abp.Modularity;
+
+namespace Volo.Abp.Identity
+{
+    public class AbpIdentityDomainSharedModule : AbpModule
+    {
+
+    }
+}
diff --git a/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityRoleClaimConsts.cs b/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityRoleClaimConsts.cs
new file mode 100644
index 0000000000..f53717486f
--- /dev/null
+++ b/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityRoleClaimConsts.cs
@@ -0,0 +1,9 @@
+namespace Volo.Abp.Identity
+{
+    public static class IdentityRoleClaimConsts
+    {
+        public const int MaxClaimTypeLength = IdentityUserClaimConsts.MaxClaimTypeLength;
+
+        public const int MaxClaimValueLength = IdentityUserClaimConsts.MaxClaimValueLength;
+    }
+}
diff --git a/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityRoleConsts.cs b/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityRoleConsts.cs
new file mode 100644
index 0000000000..11bde27f34
--- /dev/null
+++ b/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityRoleConsts.cs
@@ -0,0 +1,8 @@
+namespace Volo.Abp.Identity
+{
+    public static class IdentityRoleConsts
+    {
+        public const int MaxNameLength = 256;
+        public const int MaxNormalizedNameLength = MaxNameLength;
+    }
+}
diff --git a/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityUserClaimConsts.cs b/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityUserClaimConsts.cs
new file mode 100644
index 0000000000..025b255f11
--- /dev/null
+++ b/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityUserClaimConsts.cs
@@ -0,0 +1,9 @@
+namespace Volo.Abp.Identity
+{
+    public static class IdentityUserClaimConsts
+    {
+        public const int MaxClaimTypeLength = 256;
+
+        public const int MaxClaimValueLength = 1024;
+    }
+}
diff --git a/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityUserConsts.cs b/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityUserConsts.cs
new file mode 100644
index 0000000000..3533796111
--- /dev/null
+++ b/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityUserConsts.cs
@@ -0,0 +1,23 @@
+namespace Volo.Abp.Identity
+{
+    public static class IdentityUserConsts
+    {
+        public const int MaxUserNameLength = 256;
+
+        public const int MaxNormalizedUserNameLength = MaxUserNameLength;
+
+        public const int MaxEmailLength = 256;
+
+        public const int MaxNormalizedEmailLength = MaxEmailLength;
+
+        public const int MaxPasswordLength = 32;
+
+        public const int MaxPasswordHashLength = 256;
+
+        public const int MaxSecurityStampLength = 256;
+
+        public const int MaxConcurrencyStampLength = 256;
+
+        public const int MaxPhoneNumberLength = 16;
+    }
+}
diff --git a/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityUserLoginConsts.cs b/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityUserLoginConsts.cs
new file mode 100644
index 0000000000..4bd670024f
--- /dev/null
+++ b/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityUserLoginConsts.cs
@@ -0,0 +1,9 @@
+namespace Volo.Abp.Identity
+{
+    public static class IdentityUserLoginConsts
+    {
+        public const int MaxLoginProviderLength = 64;
+        public const int MaxProviderKeyLength = 256;
+        public const int MaxProviderDisplayNameLength = 128;
+    }
+}
diff --git a/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityUserTokenConsts.cs b/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityUserTokenConsts.cs
new file mode 100644
index 0000000000..53b79773a0
--- /dev/null
+++ b/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityUserTokenConsts.cs
@@ -0,0 +1,7 @@
+namespace Volo.Abp.Identity
+{
+    public static class IdentityUserTokenConsts
+    {
+        public const int MaxLoginProviderLength = 64;
+    }
+}
diff --git a/src/Volo.Abp.Identity.Domain/Volo.Abp.Identity.Domain.csproj b/src/Volo.Abp.Identity.Domain/Volo.Abp.Identity.Domain.csproj
index 7b1be67e37..b28d54f3f9 100644
--- a/src/Volo.Abp.Identity.Domain/Volo.Abp.Identity.Domain.csproj
+++ b/src/Volo.Abp.Identity.Domain/Volo.Abp.Identity.Domain.csproj
@@ -12,6 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\Volo.Abp.Identity.Domain.Shared\Volo.Abp.Identity.Domain.Shared.csproj" />
     <ProjectReference Include="..\Volo.Abp\Volo.Abp.csproj" />
   </ItemGroup>
 
diff --git a/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/AbpIdentityDomainModule.cs b/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/AbpIdentityDomainModule.cs
index e823e0e5e0..150a8a7411 100644
--- a/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/AbpIdentityDomainModule.cs
+++ b/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/AbpIdentityDomainModule.cs
@@ -3,6 +3,7 @@ using Volo.Abp.Modularity;
 
 namespace Volo.Abp.Identity
 {
+    [DependsOn(typeof(AbpIdentityDomainSharedModule))]
     public class AbpIdentityDomainModule : AbpModule
     {
         public override void ConfigureServices(IServiceCollection services)
diff --git a/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityRole.cs b/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityRole.cs
index 62eb54c46b..d7054c95e5 100644
--- a/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityRole.cs
+++ b/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityRole.cs
@@ -13,9 +13,6 @@ namespace Volo.Abp.Identity
     /// </summary>
     public class IdentityRole : AggregateRoot, IHasConcurrencyStamp
     {
-        public const int MaxNameLength = 256;
-        public const int MaxNormalizedNameLength = MaxNameLength;
-
         /// <summary>
         /// Gets or sets the name for this role.
         /// </summary>
diff --git a/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityRoleClaim.cs b/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityRoleClaim.cs
index f214cd5cb7..d9860bff28 100644
--- a/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityRoleClaim.cs
+++ b/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityRoleClaim.cs
@@ -10,9 +10,6 @@ namespace Volo.Abp.Identity
     /// </summary>
     public class IdentityRoleClaim : Entity
     {
-        public const int MaxClaimTypeLength = IdentityUserClaim.MaxClaimTypeLength;
-        public const int MaxClaimValueLength = IdentityUserClaim.MaxClaimValueLength;
-
         /// <summary>
         /// Gets or sets the of the primary key of the role associated with this claim.
         /// </summary>
diff --git a/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUser.cs b/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUser.cs
index f749eb06bb..fe039d2b00 100644
--- a/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUser.cs
+++ b/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUser.cs
@@ -14,11 +14,6 @@ namespace Volo.Abp.Identity
 
     public class IdentityUser : AggregateRoot, IHasConcurrencyStamp
     {
-        public const int MaxUserNameLength = 256;
-        public const int MaxNormalizedUserNameLength = MaxUserNameLength;
-        public const int MaxEmailLength = 256;
-        public const int MaxNormalizedEmailLength = MaxEmailLength;
-
         /// <summary>
         /// Gets or sets the user name for this user.
         /// </summary>
@@ -96,7 +91,7 @@ namespace Volo.Abp.Identity
         /// </summary>
         public virtual int AccessFailedCount { get; protected internal set; }
 
-        //TODO: Can we make collections readonly collection, which will provide encapsulation but can work for all ORMs?
+        //TODO: Can we make collections readonly collection, which will provide encapsulation. But... can work for all ORMs?
 
         /// <summary>
         /// Navigation property for the roles this user belongs to.
diff --git a/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUserClaim.cs b/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUserClaim.cs
index a8f8217956..e505db833e 100644
--- a/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUserClaim.cs
+++ b/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUserClaim.cs
@@ -10,9 +10,6 @@ namespace Volo.Abp.Identity
     /// </summary>
     public class IdentityUserClaim : Entity
     {
-        public const int MaxClaimTypeLength = 256;
-        public const int MaxClaimValueLength = 1024;
-
         /// <summary>
         /// Gets or sets the primary key of the user associated with this claim.
         /// </summary>
diff --git a/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUserLogin.cs b/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUserLogin.cs
index cf37d39642..f4263445c3 100644
--- a/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUserLogin.cs
+++ b/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUserLogin.cs
@@ -10,10 +10,6 @@ namespace Volo.Abp.Identity
     /// </summary>
     public class IdentityUserLogin : Entity
     {
-        public const int MaxLoginProviderLength = 64;
-        public const int MaxProviderKeyLength = 256;
-        public const int MaxProviderDisplayNameLength = 128;
-
         /// <summary>
         /// Gets or sets the of the primary key of the user associated with this login.
         /// </summary>
diff --git a/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUserToken.cs b/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUserToken.cs
index 4f67b0161c..2e1ed4d302 100644
--- a/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUserToken.cs
+++ b/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityUserToken.cs
@@ -9,8 +9,6 @@ namespace Volo.Abp.Identity
     /// </summary>
     public class IdentityUserToken : Entity
     {
-        public const int MaxLoginProviderLength = 64;
-
         /// <summary>
         /// Gets or sets the primary key of the user that the token belongs to.
         /// </summary>
diff --git a/src/Volo.Abp.Identity.EntityFrameworkCore/Volo/Abp/Identity/EntityFrameworkCore/IdentityDbContext.cs b/src/Volo.Abp.Identity.EntityFrameworkCore/Volo/Abp/Identity/EntityFrameworkCore/IdentityDbContext.cs
index c933fbbb9b..5e4b9c272f 100644
--- a/src/Volo.Abp.Identity.EntityFrameworkCore/Volo/Abp/Identity/EntityFrameworkCore/IdentityDbContext.cs
+++ b/src/Volo.Abp.Identity.EntityFrameworkCore/Volo/Abp/Identity/EntityFrameworkCore/IdentityDbContext.cs
@@ -69,10 +69,14 @@ namespace Volo.Abp.Identity.EntityFrameworkCore
             {
                 b.ToTable("IdentityUsers");
 
-                b.Property(u => u.UserName).HasMaxLength(IdentityUser.MaxUserNameLength);
-                b.Property(u => u.NormalizedUserName).HasMaxLength(IdentityUser.MaxNormalizedUserNameLength);
-                b.Property(u => u.Email).HasMaxLength(IdentityUser.MaxEmailLength);
-                b.Property(u => u.NormalizedEmail).HasMaxLength(IdentityUser.MaxNormalizedEmailLength);
+                b.Property(u => u.UserName).IsRequired().HasMaxLength(IdentityUserConsts.MaxUserNameLength);
+                b.Property(u => u.NormalizedUserName).IsRequired().HasMaxLength(IdentityUserConsts.MaxNormalizedUserNameLength);
+                b.Property(u => u.Email).HasMaxLength(IdentityUserConsts.MaxEmailLength);
+                b.Property(u => u.NormalizedEmail).HasMaxLength(IdentityUserConsts.MaxNormalizedEmailLength);
+                b.Property(u => u.PhoneNumber).HasMaxLength(IdentityUserConsts.MaxPhoneNumberLength);
+                b.Property(u => u.PasswordHash).HasMaxLength(IdentityUserConsts.MaxPasswordHashLength);
+                b.Property(u => u.SecurityStamp).IsRequired().HasMaxLength(IdentityUserConsts.MaxSecurityStampLength);
+                b.Property(u => u.ConcurrencyStamp).IsRequired().HasMaxLength(IdentityUserConsts.MaxConcurrencyStampLength);
                 b.Property(u => u.EmailConfirmed).HasDefaultValue(false);
                 b.Property(u => u.PhoneNumberConfirmed).HasDefaultValue(false);
                 b.Property(u => u.TwoFactorEnabled).HasDefaultValue(false);
@@ -92,8 +96,8 @@ namespace Volo.Abp.Identity.EntityFrameworkCore
             {
                 b.ToTable("IdentityRoles");
 
-                b.Property(u => u.Name).HasMaxLength(IdentityRole.MaxNameLength);
-                b.Property(u => u.NormalizedName).HasMaxLength(IdentityRole.MaxNormalizedNameLength);
+                b.Property(u => u.Name).IsRequired().HasMaxLength(IdentityRoleConsts.MaxNameLength);
+                b.Property(u => u.NormalizedName).IsRequired().HasMaxLength(IdentityRoleConsts.MaxNormalizedNameLength);
 
                 b.HasMany(r => r.Claims).WithOne().HasForeignKey(rc => rc.RoleId).IsRequired();
 
@@ -104,8 +108,8 @@ namespace Volo.Abp.Identity.EntityFrameworkCore
             {
                 b.ToTable("IdentityUserClaims");
 
-                b.Property(uc => uc.ClaimType).HasMaxLength(IdentityUserClaim.MaxClaimTypeLength).IsRequired();
-                b.Property(uc => uc.ClaimValue).HasMaxLength(IdentityUserClaim.MaxClaimValueLength);
+                b.Property(uc => uc.ClaimType).HasMaxLength(IdentityUserClaimConsts.MaxClaimTypeLength).IsRequired();
+                b.Property(uc => uc.ClaimValue).HasMaxLength(IdentityUserClaimConsts.MaxClaimValueLength);
 
                 b.HasIndex(uc => uc.UserId);
             });
@@ -114,8 +118,8 @@ namespace Volo.Abp.Identity.EntityFrameworkCore
             {
                 b.ToTable("IdentityRoleClaims");
 
-                b.Property(uc => uc.ClaimType).HasMaxLength(IdentityRoleClaim.MaxClaimTypeLength).IsRequired();
-                b.Property(uc => uc.ClaimValue).HasMaxLength(IdentityRoleClaim.MaxClaimValueLength);
+                b.Property(uc => uc.ClaimType).HasMaxLength(IdentityRoleClaimConsts.MaxClaimTypeLength).IsRequired();
+                b.Property(uc => uc.ClaimValue).HasMaxLength(IdentityRoleClaimConsts.MaxClaimValueLength);
 
                 b.HasIndex(uc => uc.RoleId);
             });
@@ -135,9 +139,9 @@ namespace Volo.Abp.Identity.EntityFrameworkCore
             {
                 b.ToTable("IdentityUserLogins");
 
-                b.Property(ul => ul.LoginProvider).HasMaxLength(IdentityUserLogin.MaxLoginProviderLength).IsRequired();
-                b.Property(ul => ul.ProviderKey).HasMaxLength(IdentityUserLogin.MaxProviderKeyLength).IsRequired();
-                b.Property(ul => ul.ProviderDisplayName).HasMaxLength(IdentityUserLogin.MaxProviderDisplayNameLength);
+                b.Property(ul => ul.LoginProvider).HasMaxLength(IdentityUserLoginConsts.MaxLoginProviderLength).IsRequired();
+                b.Property(ul => ul.ProviderKey).HasMaxLength(IdentityUserLoginConsts.MaxProviderKeyLength).IsRequired();
+                b.Property(ul => ul.ProviderDisplayName).HasMaxLength(IdentityUserLoginConsts.MaxProviderDisplayNameLength);
 
                 b.HasIndex(l => new { l.UserId, l.LoginProvider, l.ProviderKey });
                 b.HasIndex(l => new { l.LoginProvider, l.ProviderKey });
@@ -147,7 +151,7 @@ namespace Volo.Abp.Identity.EntityFrameworkCore
             {
                 b.ToTable("IdentityUserTokens");
 
-                b.Property(ul => ul.LoginProvider).HasMaxLength(IdentityUserToken.MaxLoginProviderLength).IsRequired();
+                b.Property(ul => ul.LoginProvider).HasMaxLength(IdentityUserTokenConsts.MaxLoginProviderLength).IsRequired();
 
                 b.HasIndex(l => new { l.UserId, l.LoginProvider, l.Name });
             });