A "0x800706ba : RPC Server is Unavailable" error is encountered when trying to add a new Operating System (OS) connection or validating an existing OS connection.
Could not connect to 192.168.0.1 or MYSERVER. RPC Server Unavailable (0x800706ba). The computer did not respond at all. This could be because there is a firewall blocking communication, or because WMI is not enabled on the computer. See the link below for more information on correcting the error.
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