Article ID: 898468 - View products that this article applies to.
The following event is logged in the System log of Event Viewer on a computer that is running Microsoft Windows Server 2003:
Event ID: 2025
This problem may occur under high-stress conditions, such as when there is heavy traffic on the network.
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:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
To work around this problem, use one of the following methods.
Method 1: Increase the MaxMpxCt valueIncrease the MaxMpxCt value for the Server Service. MaxMpxCt is the maximum number of concurrent outstanding network requests that are allowed. By default, this value is set to 50 in Windows Server 2003. To avoid this issue, increase the MaxMpxCt value.
To do this, follow these steps:
Method 2: Disable denial of service attack detectionImportant These steps may increase your security risk. These steps may also make your computer or your network more vulnerable to attack by malicious users or by malicious software such as viruses. We recommend the process that this article describes to enable programs to operate as they are designed to, or to implement specific program capabilities. Before you make these changes, we recommend that you evaluate the risks that are associated with implementing this process in your particular environment. If you choose to implement this process, take any appropriate additional steps to help protect your system. We recommend that you use this process only if you really require this process. You can disable denial of service attack detection at the operating system level. By doing this, you prevent errors from being logged. To do this, follow these steps:
Technical support for x64-based versions of Microsoft WindowsIf your hardware came with a Microsoft Windows x64 edition already installed, your hardware manufacturer provides technical support and assistance for the Windows x64 edition. In this case, your hardware manufacturer provides support because a Windows x64 edition was included with your hardware. Your hardware manufacturer might have customized the Windows x64 edition installation by using unique components. Unique components might include specific device drivers or might include optional settings to maximize the performance of the hardware. Microsoft will provide reasonable-effort assistance if you need technical help with a Windows x64 edition. However, you might have to contact your manufacturer directly. Your manufacturer is best qualified to support the software that your manufacturer installed on the hardware. If you purchased a Windows x64 edition such as a Microsoft Windows Server 2003 x64 edition separately, contact Microsoft for technical support.
For product information about Microsoft Windows XP Professional x64 Edition, visit the following Microsoft Web site:
http://www.microsoft.com/windowsxp/64bit/default.mspxFor product information about x64-based versions of Microsoft Windows Server 2003, visit the following Microsoft Web site:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 898468 - Last Review: December 10, 2010 - Revision: 7.0
Contact us for more help