在线运行的分布式系统，DataBase和Server运行在不同的主机，DataBase为sql server2005，操作系统为windows server2003，Server的运行环境也为windows server2003，server使用C#进行开发，使用ADO.NET与数据库进行数据交互。目前的情况是server会不定期的出现如下报错（报错一），且该报错出现后就会引发后续一序列的报错，引起服务器在线人数下降。求教大家帮忙分析下原因及解决方案，不甚感激。
报错一
Event Type: Error
Event Source: Application
Event Category: None
Event ID: 0
Date: 2010-10-21
Time: 11:02:13
User: N/A
Description:
The description for Event ID ( 0 ) in Source ( Application ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. You may be able to use the /AUXSOURCE= flag to retrieve this description; see Help and Support for details. The following information is part of the event: 执行存储过程: SP_User_Update_BoxProgression错误信息为: A transport-level error has occurred when receiving results from the server. (provider: TCP Provider, error: 0 - The semaphore timeout period has expired.).
报错二
Event Type: Error
Event Source: Application
Event Category: None
Event ID: 0
Date: 2010-10-21
Time: 11:02:14
User: N/A
Description:
The description for Event ID ( 0 ) in Source ( Application ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. You may be able to use the /AUXSOURCE= flag to retrieve this description; see Help and Support for details. The following information is part of the event: 打开数据库连接错误:Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding..
