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Alternate operating systems must not be permitted on the same system.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-253266 | WN11-00-000055 | SV-253266r828882_rule | Medium |
| Description |
|---|
| Allowing other operating systems to run on a secure system may allow security to be circumvented. |
| STIG | Date |
|---|---|
| Microsoft Windows 11 Security Technical Implementation Guide | 2023-09-29 |
Details
| Check Text ( C-56719r828880_chk ) |
|---|
| Verify the system does not include other operating system installations. Run "Advanced System Settings". Select the "Advanced" tab. Click the "Settings" button in the "Startup and Recovery" section. If the drop-down list box "Default operating system:" shows any operating system other than Windows 11, this is a finding. |
| Fix Text (F-56669r828881_fix) |
|---|
| Ensure Windows 11 is the only operating system on a device. Remove alternate operating systems. |