w32tm /query /status.....malfunctioning clock time work up and fix

This mobile workstation was placed into use on 9/20/15 and has had persistent problems with incorrect time.

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Using windows 7 professional change date and time settings each of these settings were used to synchronize time:  time.windows.com, time.nist.gov, time-nw.nist.gov, time-a.nist.gov and time-b.nist.gov.

All of these settings failed with progressive time delays using windows 7 professional.

Time synchronization was turned off and again the mobile workstation had progressive delayed time.

Often at approximately 1 minute and 15 to 20 seconds it would reset on its own to a few seconds delay with or without time synchronization.

The CMOS RTC battery was replaced and there was no change in the time delay problem.

A second operating system was used, Ubuntu.

Ubuntu was tested for 12 hours and it displayed time ahead on the time.is web site.

The computer manufacturer replaced the motherboard and the intel chip.  The bios date and time were reset.

The first three days after the motherboard replacement the time delay was at its worst with over 5 minute delays.

On the third day there was a bios update.

After the bios update the mobile workstation malfunctioned as it did before the motherboard replacement.  With windows 7 professional there was progressive delayed time up to approximately 1 minute and 15 to 20 seconds and then it would somehow reset itself.  The mobile workstation was then rebooted to Ubunt to remoe windows 7 professional form the picture.  This time Ubuntu was ran for approximately 36 hours.  The time was always ahead.  The rate of time ahead with Ubuntu seemed to be slower than the rate of time behind with windows 7 professional.

Using administrative command prompt I posted the results of the w32tm /query /status commands.  The first one was with time synchronization off.  The second one was after multiple configure internet time settings update now clicks.  Multiple sfc /scannow were ran that indicated no integrity violations.

At this moment the time delay is 4 minutes and 39.1 seconds behind.

The latest w32tm /query /status displays:  Leap Indicator:  3(last minute has 61 seconds).

What does this mean:  last minute has 61 seconds?

What is Stratum and how come it changed to unspecified?

What is reference Id and how come it is now unspecified?

When the configure internet and time settings is viewed it displays next synchronization 2/25/2016 and it displays the clock was successfully synchronized with the time-nw.nist.gov on 2/19/2016 at 6:19 AM.

How come the date and time indicates a successful synchronized time on 2/19/2016 6:19 AM and the last few w32tm /query /status indicate the last successful sync time was on 2/18/2016 8:11:35 AM.