I want to access a webservice that is exposed at VPN by our client. I have the asmx url.
First I created the solicit response port with "Use default proxy configuration", i received the following message
"Send Port. Details:"WebException: The request failed with HTTP status 407: Proxy Authentication Required ( The ISA Server requires authorization to fulfill the request. Access to the Web Proxy service is denied. )."
Then I gave the proxy details in the solicit response port, at that i received the error messages
Error Code: 502 Proxy Error. The host server is unreachable. (10065)
In the IE (internet explorer), I gave the same asmx url with LAN settings as "Automatically detect settings" then get the same 502 Proxy error.
When I removed the "Automatically detect settings" and there is no other settings i did in for LAN settings, the methods in asmx got displayed in IE.
I am able to access the asmx and get the output via simple .net client application.
You have a proxy server (ISA) that is unable to resolve/access the web service across the VPN. This could be due to DNS setup or network access restrictions e.g firewalls preventing the proxy server accessing the VPN.
However, it would appear that you can access the web service without using a proxy - IE connects when you do not specify a proxy.
Have you tried setting the 'Do not use proxy" option on the send port?
I have traied with 'Do not use proxy" option still getting the below error
The request failed with HTTP status 407: Proxy Authentication Required ( The ISA Server requires authorization to fulfill the request. Access to the Web Proxy service is denied. )
That sounds odd.
It may be the DNS is returning the proxy address to all queries
You may have to ask your network security admins to explain the setup and how it will be possible for the Biztalk Server to communicate with the web service on the VPN. I would imagine the proxy server (which will be in your DMZ) will not have access to the VPN for security reasons.