1. C:\Program Files\Microsoft SQL Server\90\Setup Bootstrap
2. Run ARP Wrapper (follow the instructions by dialog)
3. Delete each service step by step
4. While removing reporting services got error
Follow these steps
1.Stop Iis admin service
2.Stop world web publishing service
3.Run the ARP Wrapper
4.Uninstall reporting service
Afte that
Start both services (IIS ,World web web publishing)
One minute open inetmgr and
After you have uninstalled Reporting Services, you must manually delete the following in Internet Information Services (IIS) Manager.
• The ReportServer[$InstanceName] Reporting Services virtual directory
• The Reports[$InstanceName]Reporting Services virtual directory
• The ReportServer[$InstanceName] ReportServer application pool
(iis shows these then delete otherwise continue your installing sqlserver)