Hi Folks;

I'm trying to install IAS on Windows 2000 AdvSrvr. It's an Exchange 2000
machine that also runs DNS and Certificate Services.

For some reason installation won't complete - I get this error message;

"An error occurred which prevented the Internet Authentication Service
component from being installed or removed. The error was 0x80040154."

Does anyone know what I have to do to get IAS installed on this machine?
It's in otherwise perfect shape.

Thanks!
Dave