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Important This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/256986/ )Description of the Microsoft Windows registry
Microsoft Windows 2000 Service Pack 4 (SP4) contains an update to the License Logging service. Part of this update is to help prevent anonymous connections to the License Logging service by removing the License Logging Service Remote Procedure Call (LLSRPC) from the NullSessionPipes registry key.
NullSessionPipes is initialized during installation of Windows 2000, according to Netserv.inf. Netserv.inf is a file that controls configuration of the Server service. The Server service supports file, print, and named-pipe sharing over the network.
You can install a service pack by using one of the following methods:
The SP4 update package does not include the new version of Netserv.inf. Therefore, when SP4 is used to build an integrated, or slipstream, installation, it does not replace the original Netserv.inf file. In an integrated installation, the NullSessionPipes registry entry includes LLSRPC.
Note Integrating a service pack into another set of files that you want to install is known as slipstreaming.
If you are running an operating system that was installed by using an integrated CD or a network share, you can follow the steps that are provided in this article to change the registry directly. If you want to fix a network install share, you can follow the steps to update the Netserv.inf file. If you are installing from an SP4-integrated CD, you must make the change in the registry after the installation.
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk. The update removed LLSRPC from the NullSessionPipes registry key:
To repair the integrated, or slipstream, installation media, you must modify and replace the original Netserv.in_ file that is located in the i386 subdirectory of the media. To do this, follow these steps:
To repair a system on which you have previously performed a slipstream installation, in Registry Editor, change the NullSessionPipes subkey. To do this, follow these steps:
For more information about the slipstream installation process, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/828930/ )How to integrate software updates into your Windows installation source
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/815458/ )You can use the Llsrpc named pipe to add or delete licenses and create new license groups
Article ID: 896658 - Last Review: January 16, 2015 - Revision: 1.1