Error 0xC121010A

Value: -1054801654 | 0xC121010A | 3240165642

What does it mean ?

WDSMCS_E_NS_START_FAILED_NO_CLIENTS  
The namespace cannot be started because there are no clients in the namespace.
Value: 266 | 0x010A | 0b0000000100001010

Where does it come from ?

FACILITY_DEPLOYMENT_SERVICES_MULTICAST_SERVER  
Windows Deployment Services (WDS) Multicast Server
Value: 289 | 0x121 | 0b100100001

Other Errors for FACILITY_DEPLOYMENT_SERVICES_MULTICAST_SERVER