How to Open Sharepoint Designer 2010 using basic authentication

You have installed Windows 8 Home edition - No IIS Windows authentication, means not an easy way to run office applications..

All office application needs basic authentication over SSL and your sharepoint site if running under basic authentication over non SSL, then you need to change the registry setting to enable WEBAD to use basic authentication over non SSL.

Basic authentication pass un-encrypted base 64 encoded string over network so it is advisable to use if you have secure connection or TSL/SSL secure socket layer active.


Configuration


Web Distributed Authoring and Versioning (WebDAV) server.

http://support.microsoft.com/kb/2123563#FixItForMeAlwa

Note For Office 2013 and Office 2010 applications, both steps are required. For other Office applications, only step 1 is required.

Step 1: Configure WebDAV Redirector on the client
Note This step is required for applications in the 2007 Office suite and in Office 2013 and Office 2010.

On the client computer, configure the WebDAV Redirector to enable Basic authentication over non-SSL connections.


Windows XP and Windows Server 2003

To enable Basic authentication on the client computer, follow these steps:
Click Start, click Run, type regedit, and then click OK.
Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WebClient\Parameters
On the Edit menu, point to New, and then click DWORD Value.
Type UseBasicAuth, and then press Enter.
Right-click UseBasicAuth, and then click Modify.
In the Value data box, type 1, and then click OK.


The mapping is as follows:
0 - Basic authentication disabled
1 - Basic authentication enabled for SSL connections only
2 - Basic authentication enabled for SSL and non-SSL connections
Exit Registry Editor, and then restart the computer.

Windows Vista, Windows 7, and Windows 8

To enable Basic authentication on the client computer, follow these steps:
In Windows Vista or Windows 7, click Start, type regedit in the Start Search box, and then press Enter.


Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WebClient\Parameters
On the Edit menu, point to New, and then click DWORD Value.
Type BasicAuthLevel, and then press Enter.
Right-click BasicAuthLevel, and then click Modify.
In the Value data box, type 2, and then click OK.

Note The mapping is as follows:
0 - Basic authentication disabled
1 - Basic authentication enabled for SSL connections only
2 - Basic authentication enabled for SSL and non-SSL connections
Exit Registry Editor, and then restart the computer.


Step 2: Update the Registry on the client
Note This step is required for Office 2013 and Office 2010 applications.

On the client computer, add the BasicAuthLevel registry key and an appropriate value. To do this, follow these steps

Locate and then click one of the following registry subkeys:

For Office 2010
HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\Internet

For Office 2013
HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Common\Internet
On the Edit menu, point to New, and then click DWORD Value.
Type BasicAuthLevel, and then press Enter.
Right-click BasicAuthLevel, and then click Modify.
In the Value data box, type 2, and then click OK.

Note The mapping is as follows:
0 - Basic authentication disabled
1 - Basic authentication enabled for SSL connections only
2 - Basic authentication enabled for SSL and for non-SSL connections
Exit Registry Editor, and then restart the computer.
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This should resolve your problem. ( took me 3 hours to get the cause and to get it fixed)

To know the causes of error if page is not displaying, insert below two line
in C:\inetpub\wwwroot\wss\VirtualDirectories\12415 ( for 12415 application in IIS), you can edit it for other application as hosted in IIS virutals.

<configuration>
 <system.webServer>
    <httpErrors errorMode="Custom" existingResponse="Auto">
    </httpErrors>

  </system.webServer>
</configuration>