如题，安装到第3步时到第4步时失败
第三步安装信息:
论坛路径：如果要安装在站点的虚拟目录，则填写/bbs/(bbs为虚拟目录的名字)；否则就填写“/”
管理员名称:
管理员密码:
管理员密码确认:
论坛路径:/bbs/
点击“下一步”后出现：
Server Error in '/' Application. An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)
xiyou指教一下吧，我要晕啦.......
