Windows Setup Disables OS/2 Boot Manager

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This article was previously published under Q119432

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SYMPTOMS

When you run Windows Setup on a system that has the OS/2 Boot Manager partition active, the following message is displayed:

Setup has detected a boot manager partition on your system. Continuing Setup will disable Boot Manager.

Continuing Windows Setup disables the Boot Manager.

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Windows Setup disables the Boot Manager to ensure that after installation the system will boot into Windows, not a different operating system. This allows Windows to finish the installation procedure.

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RESOLUTION

You can reactivate Boot Manager by running the FDISK tool that is shipped with Windows or boot the system from the OS/2 boot disk and then run the Fdisk utility.

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MORE INFORMATION

The Windows Setup program does not run under OS/2. However, you can install Windows on a computer running OS/2 if you boot MS-DOS and run Setup from the command prompt.

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