Windows NT 4.0 Service Pack 6a Available

In response to a connection problem with Lotus Notes, Microsoft has released an updated version of Windows NT 4.0 Service Pack 6. The updated version is named Windows NT 4.0 Service Pack 6a. In addition to the problems resolved in Service Pack 6, Service Pack 6a includes:

• A resolution to the Winsock problem that prevents Lotus Notes and other Winsock-based programs from connecting to the server when a user does not have local administrator rights. For additional information, click the article number below to view the article in the Microsoft Knowledge Base:
  245678  (http://support.microsoft.com/kb/245678/EN-US/ ) Winsock Call Fails When You Have No Local Administrator Rights
• A revised version of Winver.exe to allow users to quickly verify whether a computer is running Service Pack 6 or Service Pack 6a.
• An update to the Microsoft Internet Information Server (IIS) 3.0 Log Converter utility (Convlog.exe).For additional information, click the article number below to view the article in the Microsoft Knowledge Base:
  245329  (http://support.microsoft.com/kb/245329/EN-US/ ) Convlog.exe Converts Year 2000 Dates to Year 2028
• An update to an AppleTalk file (Sfmatalk.sys) to avoid a "Stop 44" error message on a blue screen while you are connected an AppleTalk network or an Apple print server. The problem involves two events, one of which almost always finishes before the other. The error message can occur when the expected order is reversed.

To determine whether you are running Service Pack 6 or Service Pack 6a:

1. Click Start, and then click Run.
2. In the Open box, type winver, and then click OK. If you are running Service Pack 6a, the About Windows NT dialog box states:
   Microsoft(R) Windows NT (R)
   Version 4.0 (Build 1381: Service Pack 6)
   Copyright (C) 1981-1996 Microsoft Corp
   Revised Service Pack 6a
   If you are running Service Pack 6, the About Windows NT dialog box states:
   Microsoft(R) Windows NT (R)
   Version 4.0 (Build 1381: Service Pack 6)
   Copyright (C) 1981-1996 Microsoft Corp

Programs can detect whether Service Pack 6a is installed by checking to see if the following registry value is set to 1:

Updating Service Pack 6 to 6a

If you have already installed Windows NT 4.0 Service Pack 6, you can update your computer to Service Pack 6a by installing the SP6a hotfix.

The following files are available for download from the Microsoft Download Center:
For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base: Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.

The upgrade from SP6 to SP6a is only available in a few locales (English, German, Korean, Chinese (traditional), and Chinese (simplified). If you need a different locale, you will have to upgrade by using the complete installation of SP6a. For additional information about the comprehensive rollup of post-SP6a fixes, visit the following Microsoft Web site:

For additional information about the problems that are resolved in Service Pack 6, click the following article numbers to view the articles in the Microsoft Knowledge Base: For additional information about how to obtain the latest Windows NT 4.0 service pack, click the following article number to view the article in the Microsoft Knowledge Base: