diff --git a/src/Identity/EntityFrameworkCore/ref/Microsoft.AspNetCore.Identity.EntityFrameworkCore.netcoreapp3.0.cs b/src/Identity/EntityFrameworkCore/ref/Microsoft.AspNetCore.Identity.EntityFrameworkCore.netcoreapp3.0.cs
index 4b173fa883..17b2093144 100644
--- a/src/Identity/EntityFrameworkCore/ref/Microsoft.AspNetCore.Identity.EntityFrameworkCore.netcoreapp3.0.cs
+++ b/src/Identity/EntityFrameworkCore/ref/Microsoft.AspNetCore.Identity.EntityFrameworkCore.netcoreapp3.0.cs
@@ -22,9 +22,9 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
     {
         protected IdentityDbContext() { }
         public IdentityDbContext(Microsoft.EntityFrameworkCore.DbContextOptions options) { }
-        public Microsoft.EntityFrameworkCore.DbSet<TRoleClaim> RoleClaims { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
-        public Microsoft.EntityFrameworkCore.DbSet<TRole> Roles { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
-        public Microsoft.EntityFrameworkCore.DbSet<TUserRole> UserRoles { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
+        public virtual Microsoft.EntityFrameworkCore.DbSet<TRoleClaim> RoleClaims { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
+        public virtual Microsoft.EntityFrameworkCore.DbSet<TRole> Roles { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
+        public virtual Microsoft.EntityFrameworkCore.DbSet<TUserRole> UserRoles { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
         protected override void OnModelCreating(Microsoft.EntityFrameworkCore.ModelBuilder builder) { }
     }
     public partial class IdentityUserContext<TUser> : Microsoft.AspNetCore.Identity.EntityFrameworkCore.IdentityUserContext<TUser, string> where TUser : Microsoft.AspNetCore.Identity.IdentityUser
@@ -41,10 +41,10 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
     {
         protected IdentityUserContext() { }
         public IdentityUserContext(Microsoft.EntityFrameworkCore.DbContextOptions options) { }
-        public Microsoft.EntityFrameworkCore.DbSet<TUserClaim> UserClaims { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
-        public Microsoft.EntityFrameworkCore.DbSet<TUserLogin> UserLogins { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
-        public Microsoft.EntityFrameworkCore.DbSet<TUser> Users { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
-        public Microsoft.EntityFrameworkCore.DbSet<TUserToken> UserTokens { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
+        public virtual Microsoft.EntityFrameworkCore.DbSet<TUserClaim> UserClaims { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
+        public virtual Microsoft.EntityFrameworkCore.DbSet<TUserLogin> UserLogins { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
+        public virtual Microsoft.EntityFrameworkCore.DbSet<TUser> Users { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
+        public virtual Microsoft.EntityFrameworkCore.DbSet<TUserToken> UserTokens { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
         protected override void OnModelCreating(Microsoft.EntityFrameworkCore.ModelBuilder builder) { }
     }
     public partial class RoleStore<TRole> : Microsoft.AspNetCore.Identity.EntityFrameworkCore.RoleStore<TRole, Microsoft.EntityFrameworkCore.DbContext, string> where TRole : Microsoft.AspNetCore.Identity.IdentityRole<string>
diff --git a/src/Identity/EntityFrameworkCore/src/IdentityDbContext.cs b/src/Identity/EntityFrameworkCore/src/IdentityDbContext.cs
index 6bd4325a34..e34ad4ee4c 100644
--- a/src/Identity/EntityFrameworkCore/src/IdentityDbContext.cs
+++ b/src/Identity/EntityFrameworkCore/src/IdentityDbContext.cs
@@ -99,17 +99,17 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
         /// <summary>
         /// Gets or sets the <see cref="DbSet{TEntity}"/> of User roles.
         /// </summary>
-        public DbSet<TUserRole> UserRoles { get; set; }
+        public virtual DbSet<TUserRole> UserRoles { get; set; }
 
         /// <summary>
         /// Gets or sets the <see cref="DbSet{TEntity}"/> of roles.
         /// </summary>
-        public DbSet<TRole> Roles { get; set; }
+        public virtual DbSet<TRole> Roles { get; set; }
 
         /// <summary>
         /// Gets or sets the <see cref="DbSet{TEntity}"/> of role claims.
         /// </summary>
-        public DbSet<TRoleClaim> RoleClaims { get; set; }
+        public virtual DbSet<TRoleClaim> RoleClaims { get; set; }
 
         /// <summary>
         /// Configures the schema needed for the identity framework.
@@ -152,4 +152,4 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
             });
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Identity/EntityFrameworkCore/src/IdentityUserContext.cs b/src/Identity/EntityFrameworkCore/src/IdentityUserContext.cs
index 73d7664a05..cdf0fab621 100644
--- a/src/Identity/EntityFrameworkCore/src/IdentityUserContext.cs
+++ b/src/Identity/EntityFrameworkCore/src/IdentityUserContext.cs
@@ -79,22 +79,22 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
         /// <summary>
         /// Gets or sets the <see cref="DbSet{TEntity}"/> of Users.
         /// </summary>
-        public DbSet<TUser> Users { get; set; }
+        public virtual DbSet<TUser> Users { get; set; }
 
         /// <summary>
         /// Gets or sets the <see cref="DbSet{TEntity}"/> of User claims.
         /// </summary>
-        public DbSet<TUserClaim> UserClaims { get; set; }
+        public virtual DbSet<TUserClaim> UserClaims { get; set; }
 
         /// <summary>
         /// Gets or sets the <see cref="DbSet{TEntity}"/> of User logins.
         /// </summary>
-        public DbSet<TUserLogin> UserLogins { get; set; }
+        public virtual DbSet<TUserLogin> UserLogins { get; set; }
 
         /// <summary>
         /// Gets or sets the <see cref="DbSet{TEntity}"/> of User tokens.
         /// </summary>
-        public DbSet<TUserToken> UserTokens { get; set; }
+        public virtual DbSet<TUserToken> UserTokens { get; set; }
 
         private StoreOptions GetStoreOptions() => this.GetService<IDbContextOptions>()
                             .Extensions.OfType<CoreOptionsExtension>()
@@ -201,4 +201,4 @@ namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
             });
         }
     }
-}
\ No newline at end of file
+}