随后,更换另外一台计算机,清除Internet Explorer的历史记录和Cookie,并重新访问OWA。这样可以保证该问题不是由浏览器故障而产生的。需要注意的是,如果你使用Windows XP Service Pack 2,请参考以下两篇微软知识库文章来对Exchange服务器和Windows XP计算机进行配置。
在 Windows XP Service Pack 2 计算机上运行Exchange Server 2003 OWA客户端时,S/MIME 控件无法加载到OWA中
HTTP Error 404 "Page cannot be displayed" when you attempt to connect to the OWA server after you upgrade from Exchange Server 5.5 to Exchange 2000 Server(Exchange 2000)
http://support.microsoft.com/kb/288123
XCCC: "HTTP 404" Error Appears When You Try to Log On to OWA Through a Front-End Server in a Cluster
http://support.microsoft.com/kb/312422
XWEB: Unable to Log On to a New Mailbox the First Time You Use Outlook Web Access(Exchange 2000)
对于503错误,可以遵循以下两篇文章来进行故障排除。KB 305030针对Exchange 2000,KB 823159针对Exchange Server 2003。
How to Troubleshoot the "503 Service Unavailable" Error Message in Outlook Web Access 2000
http://support.microsoft.com/kb/305030
How to troubleshoot the "503 Service Unavailable" error message in Outlook Web Access in Exchange Server 2003
http://support.microsoft.com/kb/823159 事件查看器
除了以上所述的通过更换和配置浏览器以及查看IIS日志而了解具体的错误信息外,事件查看器是一个非常重要的工具。举例来说,一个客户发现只要在OWA中添加附件,整个Exchange服务器便停止响应。通过查看事件查看器,我们找到了以下错误,并确定为Exchange Information Store(Store.exe)崩溃:
Event Type: Error Event Source: MSExchangeIS Event Category: General Event ID: 9673 Date: 5/9/2005 Time: 6:09:36 PM User: N/A Computer: Description: An exception with code 0xc00000fd was thrown in module C:\WINNT\system32\ntdll.dll; some parameters and their values were . A significant section of the call stack is in the data section.
通过查找微软知识库文章,发现是Norman防病毒软件所导致的问题——“The Microsoft Exchange Information Store service(Store.exe)crashes when an Outlook Web Access client adds an attachment to an e-mail message”(http://support.microsoft.com/kb/878497)。 Outlook Web Access故障排除的相关资源
前文讲述了一些Outlook Web Access的常见故障,但在实际生产环境中,Outlook Web Access可能产生的故障远不止这些。排除这些故障的关键前提就是:一定要确定问题根源所在——Exchange服务器/IIS服务/浏览器。另外就是根据我们所能掌握的错误信息进行故障分析、调查,进而排除故障。
下面列举一些常用的关于Outlook Web Access故障排除方面的资源:
微软Exchange 2000 Server Outlook Web Access故障排除白皮书(英文)