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    Default Scheduler crashing - The RPC server is unavailable.

    Hello

    In one of our installations we started to have random ACP Scheduler crashes. The engine logs says:

    2019-10-06 22:58:08.6: No pending plans that can be started now.
    2019-10-06 22:58:08.6: Dispatcher cycle time: 0.0 sec.
    2019-10-06 22:58:25.8: ACPSequencer: transient error getting DispatcherEnabled.
    2019-10-06 22:58:25.8: Unable to cast COM object of type 'ACP.UtilClass' to interface type 'ACP._Util'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{773C2BAA-487D-43C5-A5D7-E543B7D61DCC}' failed due to the following error: The RPC server is unavailable. (Exception from HRESULT: 0x800706BA).
    2019-10-06 22:58:25.8: ACPSequencer: transient error getting DispatcherEnabled.
    ....
    2019-10-06 22:58:39.1: **EXCEPTION IN SCHEDULER:
    2019-10-06 22:58:39.1: The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)
    .....
    2019-10-06 22:58:39.2: Traceback:
    at ACP.UtilClass.get_Scheduler()
    at DC3.Scheduler.ACPSequencer.set_DispatcherStatus(St atusValue value)
    at DC3.Scheduler.Engine.set_Status(StatusValue value)
    at DC3.Scheduler.Engine.Run()
    2019-10-06 22:58:39.2: DOME/ROOF FAILURE: In addition, attempting to close your dome/roof this error occurred:
    2019-10-06 22:58:39.2: The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)
    2019-10-06 22:58:39.2: Running
    2019-10-06 22:58:39.7: ACPSequencer: transient error getting DispatcherEnabled.

    Note that we have no dome or roof connected or configured !

    I read this RPC server error might due to issues with USB devices, but from the log is very difficult to debut - All devices are working OK.

    The config is: The Sky X with Paramount, Maxim DL with FLI camera and filter wheel, FocusMax with Lakeside. AutoFocus enabled and working fine.

    This has happened over the last 3 days and nothing else has changed. It happens either shortly after startup, or after taking a few images (e.g. after one hour of startup). Please see attached a few logs.

    Thank you
    Marco
    Attached Files Attached Files

 

 

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