Error Code:-1073472503, Message:Internal Enterprise Vault(EV) API Runtime error. Please check if EV servers are reachable and there is no mismatch between EV API Runtime on Clearwell appliance and EV Index Server versions
<< System Event Log >>
EventID: 10028
Source: DistributedCOM
Error: DCOM was unable to communicate with the computer
Either the RPC Port 135 is beiong blocked or Dcom port communication is being blocked on the eDiscovery server
Open port 135 and ports 1025 - 65535 for Dcom traffic.