Autodesk MapGuide Enterprise

[#1]

i have win 2003 installed on my machine
when i tried to login
by User Name--- Administrator
password--admin

it gives invalid user error

i have .net 2.0 version install on my machine
no error comes while installing
then why this error come

is there any way to add administrator user to site??????????????????

[#2]

Not really having any idea what could cause this have you stopped and restarted your mgserver process or rebooted the machine?

Regards,
Dave