windows-itpro-docs/windows/security/threat-protection/security-policy-settings/create-permanent-shared-objects.md

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Create permanent shared objects (Windows 10)	Describes the best practices, location, values, policy management, and security considerations for the Create permanent shared objects security policy setting.	6a58438d-65ca-4c4a-a584-450eed976649		dansimp	w10	deploy	library	security	medium	dansimp	dansimp	ITPro	M365-security-compliance	conceptual	04/19/2017

Create permanent shared objects

Applies to

• Windows 10

Describes the best practices, location, values, policy management, and security considerations for the Create permanent shared objects security policy setting.

Reference

This user right determines which accounts can be used by processes to create a directory object by using the object manager. Directory objects include Active Directory objects, files and folders, printers, registry keys, processes, and threads. Users who have this capability can create permanent shared objects, including devices, semaphores, and mutexes. This user right is useful to kernel-mode components that extend the object namespace. Because components that are running in kernel-mode inherently have this user right assigned to them, it is not necessary to specifically assign it.

Constant: SeCreatePermanentPrivilege

Possible values

• User-defined list of accounts
• Not Defined

Best practices

• Users who have the Create permanent shared objects user right could create new shared objects and expose sensitive data to the network. Therefore, do not assign this right to any users.

Location

Computer Configuration\Windows Settings\Security Settings\Local Policies\User Rights Assignment

Default values

By default, LocalSystem is the only account that has this right.

The following table lists the actual and effective default policy values for the most recent supported versions of Windows. Default values are also listed on the policy’s property page.

Server type or GPO	Default value
Default Domain Policy	Not Defined
Default Domain Controller Policy	Not Defined
Stand-Alone Server Default Settings	Not Defined
Domain Controller Effective Default Settings	LocalSystem
Member Server Effective Default Settings	LocalSystem
Client Computer Effective Default Settings	LocalSystem

Policy management

This section describes different features and tools available to help you manage this policy.

A restart of the device 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.

Group Policy

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:

1. Local policy settings
2. Site policy settings
3. Domain policy settings
4. OU policy settings

When a local setting is greyed out, it indicates that a GPO currently controls that setting.

Security considerations

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.

Vulnerability

Users who have the Create permanent shared objects user right could create new shared objects and expose sensitive data to the network.

Countermeasure

Do not assign the Create permanent shared objects user right to any users. Processes that require this user right should use the System account, which already includes this user right, instead of a separate user account.

Potential impact

None. Not Defined is the default configuration.

Related topics

• User Rights Assignment