Microsoft Releases Windows 7 SP1 Service Pack Blocker Tool

Windows 7 Service Pack Blocker Tool allows organizations to temporarily prevent installation of the Windows 7 SP1 Service Pack update through Windows Update.

This toolkit contains three components:

    • A Microsoft-signed executable
    • A script
    • An ADM template

Microsoft-signed executable: The executable creates a registry key on the computer on which it is run that blocks or unblocks (depending on the command-line option used) the delivery of a Service Pack to that computer through Windows Update. The key used is HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate.

When the ‘/B’ command line option is used, the key value name ‘DoNotAllowSP’ is created and its value set to 1. This value blocks delivery of a Service Pack to the computer through Automatic Update or Windows Update.

When the ‘/U’ command line option is used, the previously created registry value that temporarily blocked the delivery of a Service Pack to the computer through Automatic Update or Windows Update is removed. If the value does not exist on the computer on which it is run, no action is taken.

Script: The script does the same thing as the executable, but allows you to specify the remote machine name on which to block or unblock delivery of Service Packs.

Note: The executable and script have been tested only as a command-line tool and not in conjunction with other systems management tools or remote execution mechanisms.

ADM Template: The ADM template allows administrators to import group policy settings to block or unblock delivery of Service Packs into their Group Policy environment. Administrators can then use Group Policy to centrally execute the action across systems in their environment.

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About blakehandler

BLAKE was a Microsoft MVP and award winning programmer with over 20+ years experience providing complete Windows and networking support for small to medium sized businesses. BLAKE is also Jazz Musician and Instructor for residential clients on the Los Angeles West Side.
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