MSCP_CMD_TMO is the time in seconds that the OpenVMS MSCP server
    uses to detect MSCP command timeouts. The MSCP Server must
    complete the command within a built-in time of approximately
    40 seconds plus the value of the MSCP_CMD_TMO parameter.

    The MSCP_CMD_TMO default value of 0 is normally adequate. A
    value of 0 provides the same behavior as in previous releases
    of OpenVMS (which did not have an MSCP_CMD_TMO system parameter).
    A nonzero setting increases the amount of time before an MSCP
    command times out.

    If command timeout errors are being logged on client nodes,
    setting the parameter to a nonzero value on OpenVMS servers
    may reduce the number of errors logged. As the value of the
    MSCP_CMD_TMO increases, the number of client MSCP command timeouts
    will decrease, at the cost of increased time to detect a faulty
    MSCP controller or MSCP-served device.

    If you need to decrease the number of command timeout errors, VSI
    recommends that you set an initial value of 60. If timeout errors
    continue to be logged, you can increase this value in increments
    of 20 seconds.

    MSCP_CMD_TMO is a DYNAMIC parameter.