> I created a MTS component named IEmployee that required transaction. If I
> created object by using Employee := coEmployee.Create, it worked fine. I
> also can monitor the MTS object from then Transaction Server Explorer.

> Then I write another MTS component and I want to include these two
> components into one transaction. According to the Delphi manual, I wrote
the
> following codes:

> procedure TForm1.Button1Click(Sender: TObject);
> var
>   TransactionContextEx : ITransactionContextEx;
>   Employee : IEmployee;
> begin
>   TransactionContextEx := CreateTransactionContextEx;
>   try
>     OleCheck(TransactionContextEx.CreateInstance(CLASS_Employee,
> IID_IEmployee, Employee));
>     OleCheck(TransactionContextEx.CreateInstance(CLASS_EmpOrder,
> IID_IEmpOrder, EmpOrder));
> ...

> But TransactionContextEx.CreateInstance generated the error: OLE error
> 8004E00F. And the MTX.Exe was not launched at this time. Should I
intialize
> the MTS environment before I call the CreateInstance method? Or anything
> wrong with the code?

> Thanks,

> Libo