Error 0xC1210107

Value: -1054801657 | 0xC1210107 | 3240165639

What does it mean ?

WDSMCS_E_NAMESPACE_ALREADY_EXISTS  
The specified namespace already exists.
Value: 263 | 0x0107 | 0b0000000100000111

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