The following error occurred when validating Windows Management Instrumentation (WMI) connection for instance NAME: The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)
Does the account you are using for BI Manager have rights to the server you are trying to connect to. Also which version of BI Manager is installed? What type of instance is it (SSAS, SSRS, SSiS)? Also there is a Microsoft bug if the Hostname of the server is longer than 15 characters it truncates it and stores the ServerName as the truncated name.
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