Adds AccountCreated event

src/Umbraco.Core/Security/BackOfficeUserManager.cs

@@ -369,6 +369,14 @@ namespace Umbraco.Core.Security
             });
         }
 
+        internal void RaiseCreateUserEvent(int userId)
+        {
+            OnAuthResetAccessFailedCount(new IdentityAuditEventArgs(AuditEvent.AccountCreated)
+            {
+                AffectedUser = userId
+            });
+        }
+
         public override Task<IdentityResult> UpdateAsync(T user)
         {
             var result = base.UpdateAsync(user);

src/Umbraco.Web/Security/Providers/UmbracoMembershipProvider.cs

@@ -181,6 +181,12 @@ namespace Umbraco.Web.Security.Providers
             member.LastPasswordChangeDate = DateTime.Now;
 
             MemberService.Save(member);
+            if (MemberService is UserService)
+            {
+                var backofficeUserManager = GetBackofficeUserManager();
+                if (backofficeUserManager != null)
+                    backofficeUserManager.RaiseCreateUserEvent(member.Id);
+            }
 
             status = MembershipCreateStatus.Success;
             return ConvertToMembershipUser(member);