To see all the bug fixes included in Windows NT 4.0 Service Pack 4, check out the following document in the Microsoft Knowledge Base: q150/7/34.asp. If you have questions about hardware compatibility with the Service Pack, there is a Windows NT Hardware Compatibility List at

Windows NT 4.0 Service Pack 4 is not for the Windows NT 4.0 Terminal Server edition. According to Microsoft, there will be a separate Service Pack 4 for it.

Microsoft says Windows NT 4.0 SP4 with Netmeeting 2.1 has a security hole. Malicious speed-dial objects can be created by hackers that can cause NetMeeting to crash. After the crash, the computer's memory may be exposed and can be intentionally corrupted. There is a Speed Dial patch available at

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