BizTalk Server 2006 Unable to determine whether or not specified user is an administrator.
You are attempting to install Windows SharePoint services adapter web service on a virtual server that has not been configured with Windows SharePoint Services
TITLE: Microsoft BizTalk Server 2006 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)
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Solution: Make sure you run the Windows SharePoint Services Central Administration and Extend or upgrade virtual server, once its installed re-run the BizTalk configuration wizard, this time it should run smooth.