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Web Services Connection

We are using Dynamics GP with Web Services and are having difficulty.

The Native endpoint is http://hermes:48620/Dynamics/GPService which indicates a wsdl at http://hermes:48620/Metadata/WCF/Full/schemas.microsoft.com.dynamics.gp.2010.01.wsdl. I have successfully retrieved the wsdl file with PHP and can produce a list of functions described by the document. I am attempting to call the "GetCurrencyList" method... but receive no response. The request header is as follows:

POST /Dynamics/GPService/GPService HTTP/1.1

Host: HERMES:48620

Connection: Keep-Alive

User-Agent: PHP-SOAP/5.3.3

Content-Type: application/soap+xml; charset=utf-8; action="schemas.microsoft.com/.../GetCompanyByKey"

Content-Length: 349

I typically develop with a 10 second socket timeout and have raised it to 5 minutes (once) to wait, unsuccessfully. I am curious why the wsdl file directs PHP to post to "/Dynamics/GPService/GPService". I tried explicitly setting the endpoint to " /Dynamics/GPService" and " /Dynamics/GPService/GPService.asmx" and receive 404 Not Found's from each.

The Programming Guide mentions the Native endpoint supports wsHttpBinding, so I attempted to implement WSSE in PHP to produce a SOAP envelope like the following:

<?xml version="1.0" encoding="UTF-8"?>

<env:Envelope xmlns:env="www.w3.org/.../soap-envelope" xmlns:ns1="schemas.microsoft.com/.../01" xmlns:ns2="schemas.xmlsoap.org/.../secext">

<env:Header>

<ns2:Security env:mustUnderstand="true">

<ns2:UsernameToken>

<ns2:Username>[username]</ns2:Username>

<ns2:Password>[password]</ns2:Password>

</ns2:UsernameToken>

</ns2:Security>

</env:Header>

<env:Body>

<ns1:GetPolicyByOperation/>

<item>

<key>OrganizationKey</key>

<value>

<item>

</item>

</value>

</item>

</param1>

</env:Body>

</env:Envelope>

Doing this produced no change.

When I preform a similar procedure with the legacy endpoint, the server responds with a 401 Unauthorized. I supplied the credentials of a privileged user created in the Admin area (per our last conversation) for basic HTTP authentication with no change. Additionally, the wsdl file directs PHP to post to "/DynamicsGPWebServices/DynamicsGPService.asmx" While I appreciate that this endpoint provides feedback, it does not meet our requisites for security.

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