ProtectionSchemeState protectionSchemeState = AUTOMATIC, in Class ProtectionGroup

Documentation
The protection scheme state identifies the state in which the protection scheme is in. PSS_FORCED_OR_LOCKED_OUT indicates that the entire group is locked; partial locking is indicated by PSS_AUTOMATIC.
Individual locks can be reported through transmission parameters on the appropriate TPs.
Changes in the value of this attribute lead to a State Change notification.
Readable by NMS? Yes
Writeable by NMS? No
Invariant? No

Export Control | PrivateAccess | Containment | Unspecified
Static | No | Derived | No