Error 0xC1210202

Value: -1054801406 | 0xC1210202 | 3240165890

What does it mean ?

EVT_WDSMCS_E_DUPLICATE_MULTICAST_ADDR  
The multicast IP address %1 is being used by another Windows Deployment Services server, which has IP %2. Use the Windows Deployment Services management tools to configure your multicast IP address range to avoid this multicast IP address. If you allow this overlap to continue, your network usage will be increased.
Value: 514 | 0x0202 | 0b0000001000000010

Where does it come from ?

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

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