Error 0x800726F7

Value: -2147014921 | 0x800726F7 | 2147952375

What does it mean ?

DNS_ERROR_CLIENT_SUBNET_IS_ACCESSED  
The client subnet cannot be deleted while it is being accessed by a policy.
Value: 9975 | 0x26F7 | 0b0010011011110111

Where does it come from ?

FACILITY_WIN32  
Provides a way to handle error codes from functions in the Win32 API as an HRESULT. (Error codes in 16 - bit OLE that duplicated Win32 error codes have also been changed to FACILITY_WIN32)
Value: 7 | 0x007 | 0b00000111

Other Errors for FACILITY_WIN32