问题现象：服务器500错误
原 因：通过事件查看器查看到的几个错误：
①NETLOGON 5719
②NETBT 4321
解决：①IIS runs out of work items and causes RPC failures when connecting to a remote UNC path
http://support.microsoft.com/kb/221790/en-us
RESOLUTION
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 (http://support.microsoft.com/kb/322756/) How to back up and restore the registry in Windows
1. If you are running Windows 2000, install the post-SP1 hotfix described in the following Microsoft Knowledge Base article to both the IIS servers and the file server:
271148 (http://support.microsoft.com/kb/271148/) MaxMpxCt and MaxCmds limits in Windows 2000
2. Increase the values of MaxCmds on the IIS Servers and MaxMpxCT on the File Server by using the following registry scripts:
• Save the following registry script as Client.reg, and then run it on the IIS servers:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanworkstation\parameters] "MaxCmds"=dword:00000800
• Save the following registry script as Server.reg, and then run it on the file server:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters]
"MaxMpxCT"=dword:00000800
"MaxWorkItems"=dword:00002000
By default, these scripts specify a MaxCmds and MaxMpxCT of 2,048, which should be sufficient for most situations. MaxWorkItems has been specified at 4x MaxMpxCt or 8,192. For more information on these settings, see the "More Information" section of this article.
3. Restart all of the IIS servers and the file server for these changes to take effect.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 (http://support.microsoft.com/kb/322756/) How to back up and restore the registry in Windows
1. If you are running Windows 2000, install the post-SP1 hotfix described in the following Microsoft Knowledge Base article to both the IIS servers and the file server:
271148 (http://support.microsoft.com/kb/271148/) MaxMpxCt and MaxCmds limits in Windows 2000
2. Increase the values of MaxCmds on the IIS Servers and MaxMpxCT on the File Server by using the following registry scripts:
• Save the following registry script as Client.reg, and then run it on the IIS servers:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanworkstation\parameters] "MaxCmds"=dword:00000800
• Save the following registry script as Server.reg, and then run it on the file server:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters]
"MaxMpxCT"=dword:00000800
"MaxWorkItems"=dword:00002000
By default, these scripts specify a MaxCmds and MaxMpxCT of 2,048, which should be sufficient for most situations. MaxWorkItems has been specified at 4x MaxMpxCt or 8,192. For more information on these settings, see the "More Information" section of this article.
3. Restart all of the IIS servers and the file server for these changes to take effect.
② PRB：Netlogon 在域控制器上记录了事件 ID 5719
http://support.microsoft.com/kb/310339/zh-cn
解决方案警告：注册表编辑器使用不当可导致严重问题，可能需要重新安装操作系统。Microsoft 不能保证您可以解决因注册表编辑器使用不当而导致的问题。使用注册表编辑器需要您自担风险。要解决此问题，请将 MaxDgramBuffering 值从 128 KB 增加到 256 KB： 1. 启动注册表编辑器 (Regedt32.exe)。 2. 在注册表中找到下面的项：HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NetBT\Parameters 3. 在编辑菜单上，单击添加数值，然后添加以下信息：数值名称：MaxDgramBuffering数据类型：REG_DWORD值： 0x40000 4. 退出注册表编辑器。 5. 重新启动 Netlogon 服务（您可能必须重新启动计算机）。 注意：如果您用 Regedit 而不是 Regedt32 来修改注册表，请执行下列操作之一： • 右键单击 Parameters，单击新建，然后单击“双字节值”- 或者 - • 在编辑菜单上单击“新建”，然后单击“双字节值” 然后添加新注册表项信息。 效果临床观察中。。。。
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