ERROR_SHARED_POLICY - 8218 (0x201A)
The policy object is shared and can only be modified at the root.
Updated: Feb 21, 2026
Introduction
This article provides a detailed technical reference for the ERROR_SHARED_POLICY error code. It explains its meaning and developer interpretation without delving into causes or troubleshooting steps.
Technical Meaning
The ERROR_SHARED_POLICY error indicates that an attempt was made to modify a shared policy object, which is restricted to modification only at the root level. This means that any changes to this type of object must be performed from the topmost level in the hierarchy.
Error Details
- Error Name: ERROR_SHARED_POLICY
- Numeric Code: 8218 (0x201A)
- Short Description: The policy object is shared and can only be modified at the root.
Usage Context
This error typically occurs when a developer or system administrator attempts to modify a shared policy object that is not located at the root level. Policy objects in Windows are hierarchical, with each node potentially having its own set of policies. Shared objects must be managed according to their location within this hierarchy.
Developer Interpretation
Developers should ensure that any modifications to policy objects are performed correctly by adhering to the hierarchical structure. Specifically, shared policy objects can only be modified at the root level, and attempts to modify them elsewhere will result in this error being returned.
Related Errors
ERROR_ACCESS_DENIED(5) - If a user does not have sufficient permissions to perform an operation on a policy object.ERROR_INVALID_PARAMETER(87) - If an invalid parameter was passed during the operation that triggered the error.
FAQ
Q: What causes this error?
A: This error occurs when attempting to modify a shared policy object at a level other than the root. Policy objects in Windows are hierarchical, and modifications must be made from the topmost level.
Q: How can I resolve this issue?
A: Ensure that any changes to policy objects are performed only at the root level where they are allowed.
Summary
The ERROR_SHARED_POLICY error code indicates a violation of the hierarchical structure for shared policy objects in Windows. Developers should be aware of the correct context and location for modifying such objects to avoid this error.