Article ID: 190675 - View products that this article applies to.
This article was previously published under Q190675
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When using the Copy Web feature in Visual InterDev, the following error appears:
The Web application '<your Web name>' was not copied successfully. NTLM authentication failed because you are connecting to the server via a proxy server and NTLM authentication does not work in this case. You should either disable NTLM authentication for the server or, if the proxy server is unnecessary, add the server to the List of Hosts without proxies in the Tools/Options dialog."
This error appears erroneously if you specify a destination Web server in the Copy Web window using an IP address instead of a computer name in the Copy Web dialog window.
There are two methods to work around this error message:
Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. We are researching this bug and will post new information here in the Microsoft Knowledge Base as it becomes available.
Steps to Reproduce Behavior
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