在Win2003 SP1计算机上配置OCS 2007 EE版配置出错

在Windows Server 2003 SP1环境中配置OCS 2007企业版，validate Web Components Server时出现如下错误：

URL: Check https://PoolFQDN/GroupExpansion/Int/Service.asmx
Received a failure HTTP response.: HTTP Response: 401 Unauthorized

Content-Length:1539

Content-Type:text/html

Server:Microsoft-IIS/6.0

WWW-Authenticate:Negotiate,NTLM

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Date:Day, DateTime GMT

URL: https://PoolFQDN/Abs/Int/Handler/FileName.lsabs
Received a failure HTTP response.: HTTP Response: 401 Unauthorized

Content-Length:1539

Content-Type:text/html

Server:Microsoft-IIS/6.0

WWW-Authenticate:Negotiate,NTLM

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Date:Day, DateTime GMT

解决办法：

打开注册表
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
添加DW键值：DisableLoopbackCheck，值为1

重启服务器。

细节看：http://support.microsoft.com/kb/941095/en-us