Error message: "Cannot add the specified assembly to the global assembly cache" or "w3wp.exe unhandled exception (System.UnauthorizedAccessException)" The Business Connector proxy account might not have the appropriate permissions on the server to allow access. The Business Connector proxy must: Be a user in Active Directory. Be a member of the Power Users, IIS_WPG, STS_WPG, and the Performance Monitor Windows groups on the server that runs IIS and hosts Enterprise Portal. For more information about creating a Business Connector proxy account, see Set up the Business Connector proxy user for Enterprise Portal.
其中第四行提到了除IIS_WPT,STS_WPG(安装WSS3.0后这个组改成了WSS_WPG),还有Power Users和Performance Monitor这两个组(搞笑的是,解决方案里提到的,更多信息参阅Set up the Business Connector Proxy user for Enterprise Portal这篇文章里,提到的还是IIS_WPG和STS_WPG......) 把BCProxy添加到Performance Monitor组后,确实没有上述两个异常信息了,取而代之的是另一个异常: