Increase scheduling priority
- Windows 10
Describes the best practices, location, values, policy management, and security considerations for the Increase scheduling priority security policy setting.
This policy setting determines which user accounts can increase the base priority class of a process. It is not a privileged operation to increase relative priority within a priority class. This user right is not required by administrative tools that are supplied with the operating system, but it might be required by software development tools.
Specifically, this security setting determines which accounts can use a process with Write Property access to another process to increase the run priority that is assigned to the other process. A user with this privilege can change the scheduling priority of a process through the Task Manager user interface.
- User-defined list of accounts
- Not defined
- Retain the default value as the only accounts responsible for controlling process scheduling priorities.
Computer Configuration\Windows Settings\Security Settings\Local Policies\User Rights Assignment
This section describes features, tools, and guidance to help you manage this policy.
A restart of the computer is not required for this policy setting to be effective.
Any change to the user rights assignment for an account becomes effective the next time the owner of the account logs on.
Settings are applied in the following order through a Group Policy Object (GPO), which will overwrite settings on the local computer at the next Group Policy update:
- Local policy settings
- Site policy settings
- Domain policy settings
- OU policy settings
When a local setting is greyed out, it indicates that a GPO currently controls that setting.
This section describes how an attacker might exploit a feature or its configuration, how to implement the countermeasure, and the possible negative consequences of countermeasure implementation.
A user who is assigned this user right could increase the scheduling priority of a process to Real-Time, which would leave little processing time for all other processes and could lead to a denial-of-service condition.
Verify that only Administrators and Window Manager/Window Manager Group have the Increase scheduling priority user right assigned to them.
None. Restricting the Increase scheduling priority user right to members of the Administrators group and Window Manager/Window Manager Group is the default configuration.
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