The CLUSCTL_GROUP_GET_CHARACTERISTICS control code is used to request a mask that describes the intrinsic characteristics of a group.
| Type: | External | 
| Access: | CLUS_ACCESS_READ | 
| Input: | None | 
| Output: | DWORD bitmask | 
| Global: | CLUS_NOT_GLOBAL | 
| Modify: | CLUS_NO_MODIFY | 
| Code: | CLCTL_GET_CHARACTERISTICS | 
The lpOutBuffer parameter of ClusterGroupControl points to a bitmask that describes the group's characteristics. The bits can be set to the following value:
| CHARACTERISTICS value | Description | 
|---|---|
| CLUS_CHAR_UNKNOWN | Group has no known characteristics. |