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You receive an error message when you try to use Microsoft SharePoint Designer 2010 to open a Microsoft SharePoint 2010 Web site

Article ID: 981223 - View products that this article applies to.

SYMPTOMS

When you try to use Microsoft SharePoint Designer 2010 to open a Microsoft SharePoint 2010 Web site, you receive the following error message:

The Web server at "Web site collection URL" does not appear to have Microsoft SharePoint Foundation installed.

Note Web site collection URL is the placeholder for the URL of the Web site that you are trying to open.

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CAUSE

This problem occurs because client integration is disabled on the Web application on which the Web site collection resides.

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RESOLUTION

To resolve this problem, enable the client integration. To do this, follow these steps:

Start SharePoint 2010 Central Administration, and then click Security.
Click Specify authentication providers.
If the Web application in the Web Application list is not the same application that you want to open in SharePoint Designer 2010, click Web Application on the Change Web Application list.
On the Select Web Application page, click the name of the Web application that you want to open.
Under Zone, Click Default to open the Edit Authentication page.
Under Enable Client Integration, click Yes, and then click Save.

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MORE INFORMATION

If SharePoint Designer 2010 is already running when you enable client integration, you receive the following error message after you enable client integration:

Microsoft SharePoint Designer does not support editing non-SharePoint sites. Close and reopen the program and this error will be corrected.

To resolve this problem, exit and then restart SharePoint Designer 2010.

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