ASP.NET error help : unknown user name or bad password. Exception from HRESULT: 0x8007052E

Hi,

I have an .exe file that contains numerous Shell commands that run an external program that exists only on a specific production machine. Various users on my network will need to be able to activate this executable from their own desktops, as
they cannot have access to the physical machine with the software now when i ran my application with iis or remote machine
it give error that Logon failure: unknown user name or bad password. (Exception from HRESULT: 0x8007052E)
plz help me.............

Thanks in advance