What does HRESULT 0xC1210202 (EVT_WDSMCS_E_DUPLICATE_MULTICAST_ADDR) mean?

 
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EVT_WDSMCS_E_PARAMETERS_READ_FAILED EVT_WDSMCS_E_NON_WDS_DUPLICATE_MULTICAST_ADDR

EVT_WDSMCS_E_DUPLICATE_MULTICAST_ADDR

EVT_WDSMCS_E_DUPLICATE_MULTICAST_ADDR is a Windows Deployment Services (WDS) Multicast Server result. It indicates that a WDS multicast address conflict was detected with another WDS server on the network.

What to check

  • Assign a unique multicast address range or address source for each WDS server on the same network.
  • Identify the conflicting host from server logs and verify its namespace and network profile configuration.
  • Check multicast routing and VLAN boundaries before assuming a different subnet prevents a conflict.

Microsoft documentation on the Windows Deployment Services Multicast Application Protocol


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