7000
Service Control Manager
The Microsoft Exchange Routing Engine service failed to start due to the following error:
The executable program that this service is configured to run in does not implement the service.
This error occurs during uninstallation / installation of IIS when Exchange Server is installed on the same machine.
Check: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\InetInfo\Parameters
DispatchEntries should contain the following:
SMTPSVC
NNTPSVC
IMAP4Svc
POP3Svc
RESvc