创建Portal时出错

今天帮一个客户测试SharePoint Portal 2003时遇到了一些问题，客户的应用环境是一个小型服务器场结构。在整个安装与配置的过程中没有出现任何错误信息，但在创建门户网站时却总是无法成功。以下是失败后产生的Log：

瀚博资讯 10:14:05 Portal creation complete. (Status:
PortalAdminJobStatusFailed) Wednesday, 04 April 2007 10:19:48 Log file
opened. 10:19:48 Starting portal creation for '瀚博资讯'. 10:19:48
Enter PortalInstaller.Install 10:19:48 Beginning
Microsoft.SharePoint.Portal.Install.c installer (Progress: 0) 10:19:49 Failed
to create portal successfully 瀚博资讯 10:19:49 Begin rollback
operation for portal '瀚博资讯' 10:19:49 Enter
PortalInstaller.Rollback 10:19:49 Exit PortalInstaller.Rollback 10:19:49
Portal creation job exception. (status=PortalAdminJobStatusFailed)
System.Runtime.InteropServices.COMException (0x80005006): Exception from
HRESULT: 0x80005006. at System.DirectoryServices.Interop.IAds.GetEx(String
bstrName) at System.DirectoryServices.PropertyCollection.Contains(String
propertyName) at Microsoft.SharePoint.Portal.Install.c.a(DirectoryEntry A_0) at
Microsoft.SharePoint.Portal.Install.c.a(Int32 A_0) at
Microsoft.SharePoint.Portal.Install.c.a(Uri A_0, Uri A_1) at
Microsoft.SharePoint.Portal.Install.c.a(IDictionary A_0) at
System.Configuration.Install.Installer.Install(IDictionary stateSaver) at
System.Configuration.Install.TransactedInstaller.Install(IDictionary
savedState) 10:19:49 Failed to create portal successfully

不知道该如何解决？望大哥大姐指点一下！谢谢哦！