Error 0xC1210109

Value: -1054801655 | 0xC1210109 | 3240165641

What does it mean ?

WDSMCS_E_NAMESPACE_ALREADY_STARTED  
The namespace has already started.
Value: 265 | 0x0109 | 0b0000000100001001

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