c# - EWS Certificate error: untrusted root -


i'm working on application wants implement exchange functionality. we're using ews (exchange web services).

now have following scenario:

i first had test project console application, , recieved following exception:

autodiscoverlocalexception

when using code:

service.credentials = new networkcredential("name", "password", "domain") service.autodiscoverurl("mail@address.com")

after snooping around while i've found issue caused ssl certificate problem. went , installed certificate needed. doing caused test application work.

then went "real" application asp.net application. use same code same code.

and fails again, same error, added following code check out problem:

    ...   service.credentials = new networkcredential("name", "password", "domain")   servicepointmanager.servercertificatevalidationcallback = addressof returntrue   service.autodiscoverurl("mail@address.com")     ...      private function returntrue(byval sender object, byval certificate x509certificate, byval chain x509chain, byval sslpolicyerrors sslpolicyerrors) boolean             return true     end function

when debugging in returntrue function found in x509chain following chainstatus :

untrustedroot {32}

so ssl certificate error again. how can be? works in console application not in our main asp.net application.

another strange thing: colleague same thing, , him works on console app , asp.net application. not have problem. though did install certificate did , have retried couple of times.

it must type of configuration i've missed. , what? , why work in console application? , why work colleague , not me?

i've seen this example doesn't seem safe way things, since working colleague of mine, don't want skip checks on ssl certificate because it's not working me.


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