Dear friends how I install or add the SMTP and NNTP services on Windows Server 2008 for Exchange Server 2003. These services are not present in add roles.
Can I install 2003 Exchange Server in W2K8 Server?
The problem you are experiencing is because Exchange 2003 doesn't work on Windows 2008.
From 'The Exchange Team' on Technet:
From MS KB948680 Description of the Microsoft server applications that are supported on Windows Server 2008 (Under "Applications that are incompatible"):