Determining Which Service Pack Is Installed in Windows NT 4.0 (197099)
The information in this article applies to:
- Microsoft Windows NT Workstation 4.0
- Microsoft Windows NT Server 4.0
- Microsoft Windows NT Server, Enterprise Edition 4.0
This article was previously published under Q197099
IMPORTANT: This article contains information about editing the registry.
Before you edit the registry, make sure you understand how to restore it
if a problem occurs. For information about how to do this, view the
"Restoring the Registry" Help topic in Regedit.exe or the "Restoring a
Registry Key" Help topic in Regedt32.exe.
SUMMARY
This article describes how to determine which (if any) Service Pack is
installed on your Windows NT 4.0-based computer.
MORE INFORMATION
To determine which (if any) Service Pack is installed on your Windows NT
4.0-based computer, use any of the following methods:
Method 1
When you first start your computer, the Windows NT version, build number,
and installed Service Pack version is displayed on a blue screen after the
Startup menu is displayed.
Method 2
Click Start, point to Settings, and then click Control Panel. In Control
Panel, click About Windows NT on the Help menu.
Method 3
Click Start, click Run, type "winver" (without quotation marks) in the
Open box, and then click OK.
Method 4
Use the Windows NT Diagnostics tool. To run this tool, click Start, point
to Programs, point to Administrative Tools (Common), and then click
Windows NT Diagnostics. The Service Pack information is located on the
Version tab.
Method 5
WARNING: Using Registry Editor incorrectly can cause serious problems that
may require you to reinstall your operating system. Microsoft cannot
guarantee that problems resulting from the incorrect use of Registry
Editor can be solved. Use Registry Editor at your own risk.
For information about how to edit the registry, view the "Changing Keys
And Values" Help topic in Registry Editor (Regedit.exe) or the "Add and
Delete Information in the Registry" and "Edit Registry Data" Help topics
in Regedt32.exe. Note that you should back up the registry before you edit
it. If you are running Windows NT, you should also update your Emergency
Repair Disk (ERD).
Use Registry Editor to check the CSDVersion value in the following
registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion
| Modification Type: | Major | Last Reviewed: | 8/10/2001 |
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| Keywords: | kbhowto KB197099 |
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