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Try to troubleshooting QuickBook's Web Connector by following helping URL: Click Me. When I try to Add an application into Web connector getting following error: "QBWC1048: QuickBooks Web Connector could not verify the web application server certificate. QBWC1051: The new application was not added"enter image description here

Dawood Butt
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2 Answers2

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QuickBook throws the 1048 error because it is unable to complete a GET request at the AppURL that specified QBFS.qwc file. This is because test.developer.intuit.com restricts GET requests via the SOAP API.

To get around this, include a parameter in the .qwc file, and set it to the same value as your AppURL without the URL path. For example, if your AppURL is https://mycompany.cs1.force.com/services/Soap/class/myApiClass, then set CertURL to https://mycompany.cs1.force.com.

This is the solution suggested by the QBWC log file, and it worked for me.

Reference URL

Dawood Butt
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    I was able to add a `GET` method with the same URL that my SOAP method (which uses `POST`) was listening to. This fixed the problem. – LStarky Nov 12 '20 at 03:11
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I found I had this problem because my software was trying to load the file

http://developer.intuit.com/uploadedFiles/Support/QBWebConnectorSvc.wsdl

which no longer exists. :(

So I got a WSDL from

https://test.developer.intuit.com/QBWC/TroubleshootWebServiceFS/Service.asmx?wsdl

and put it in my Site's root directory, then changed my code to point there, and it worked.

Scott C Wilson
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