The RPC server is unavailable (exception from HRESULT: 0X800706BA)
This error may occur in the normal operation of Remote Desktop Manager The root causes are network connectivity or stopped Windows services.
Solution
- Ensure the host is properly identified (Name or IP address) and it is indeed running and accepting network traffic.
- Ensure the host firewall allows inbound traffic for Windows Management Instrumentation.
- Ensure the following services are started and are set to automatic startup type.
- TCP/IP NetBIOS Helper
- Remote Procedure Call (RPC)
- Windows Management Instrumentation