configuracion basica Isa 2004

hola... agradezco que alguien me colabore...

resulta que tenia instalado el isa server 2000... lo desintales e instale
el
2004.. pero ahora no puedo navegar ni mis clientes tampoco... me sale el
siguinete error...

pense que el 2004 en algo se parecia al 2000 pero
es un enredo del diablo...

quisiera saber cual es la configuracion basica para poder navegar?

si saben de un manual de configuracion tambien lo agradeceria...


el error es el siguienete :

Explanation: There is a problem with the page you are trying to reach and
it
cannot be displayed.

Try the following:
a.. Refresh page: Search for the page again by clicking the Refresh
button. The timeout may have occurred due to Internet congestion.
b.. Check spelling: Check that you typed the Web page address correctly.
The address may have been mistyped.
c.. Access from a link: If there is a link to the page you are looking
for, try accessing the page from that link.
If you are still not able to view the requested page, try contacting your
administrator or Helpdesk.


Technical Information (for support personnel)
a.. Error Code: 502 Proxy Error. The ISA Server denied the
specified
Uniform Resource Locator (URL). (12202)
b.. IP Address: xxx.xxx.xxx.xxx
c.. Date: 11/22/2004 9:04:45 PM
d.. Server: ProxyXX.XXX.XXX
e.. Source: proxy