Biztalk 2010 You are attempting to install Windows SharePoint Services Adapter Web Service on a virtual server that has not been configured with Windows SharePoint Services

Original Error ....

TITLE: Microsoft BizTalk Server Configuration Wizard
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You are attempting to install Windows SharePoint Services Adapter Web Service on a virtual server that has not been configured with Windows SharePoint Services. Refer to the documentation for instructions on extending a virtual server. (CWssAdaCfg)


For help, click: http://go.microsoft.com/fwlink/events.asp?ProdName=Microsoft+BizTalk+Server+2010&ProdVer=3.9.469.0&EvtSrc=CWssAdaCfg&EvtID


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ADDITIONAL INFORMATION:


You are attempting to install Windows SharePoint Services Adapter Web Service on a virtual server that has not been configured with Windows SharePoint Services. Refer to the documentation for instructions on extending a virtual server. (CWssAdaCfg)


For help, click: http://go.microsoft.com/fwlink/events.asp?ProdName=Microsoft+BizTalk+Server+2010&ProdVer=3.9.469.0&EvtSrc=CWssAdaCfg&EvtID


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BUTTONS:


OK
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Solution

I was able to resolve the issue you describe by doing the following:

1. Start SharePoint 2010 Centa Administration

2. Under Application Management, select Manage web application

3. Select one of the web applications (other than the Central Administration v4)

4. Click Extend on the ribbon bar (2nd button from the left)

5. Open BizTalk Server Configuration.  Click SharePoint Adapter

6. Select the site you just extended in the Windows SharePoint Services Adapter Web Site dropdown list.

I will update the images soon....