Error 0xC1210203

Value: -1054801405 | 0xC1210203 | 3240165891

What does it mean ?

EVT_WDSMCS_E_NON_WDS_DUPLICATE_MULTICAST_ADDR  
The multicast IP address %1 is being used by another multicast 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: 515 | 0x0203 | 0b0000001000000011

Where does it come from ?

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

StackOverflow

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