Setting up NetTime Time Sync Tool on Windows 10

is this the best way to sync the time on all cameras?
 
Yes, would also agree that Net Time is a user friendly process to setup. It works well.

However, if you are into brewing your own system then take a look the the below link. In this case a Dahua API is used to trigger each camera. This example is run on the Hubitat hub, but could be run using other processes or systems.

API to turn on light for the IPC-HDW3849H-AS-PV

Presently it is being used to sync 23 cameras every 10 minutes on the BI computer without the use of Net Time for camera sync.
 
The other day I notice one of my cams is one hour behind the other 11 cams. You can see from the NetTime log the hour is 11am Eastern Time but in the camera it shows it 10am Eastern Time. All the other cams it is correctly showing the hour as 11am ET. As I recall all the cams had been correctly synced for a few years but I only noticed the 1 cam's time being wrong the other day when I was making a YouTube video that uses several cams. I assume the NetTime log is showing me that the NetTime server is sending the time to the cams in response to the camera requesting a time update. I compared the Date&Time settings of another cam and they are identical to what you see below. Any ideas on what to check.

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The other day I notice one of my cams is one hour behind the other 11 cams. You can see from the NetTime log the hour is 11am Eastern Time but in the camera it shows it 10am Eastern Time. All the other cams it is correctly showing the hour as 11am ET. As I recall all the cams had been correctly synced for a few years but I only noticed the 1 cam's time being wrong the other day when I was making a YouTube video that uses several cams. I assume the NetTime log is showing me that the NetTime server is sending the time to the cams in response to the camera requesting a time update. I compared the Date&Time settings of another cam and they are identical to what you see below. Any ideas on what to check.

View attachment 203358

View attachment 203359

Change the problem camera to some random time. Report back if the time is correct after the one minute interval.

Which should be set to 30 minutes . . .
 
Oh, it's definitely updating the time from any random time I put in. You can see the random time on BI then within a minute it updates to ET minus one hour.
 
Oh, it's definitely updating the time from any random time I put in. You can see the random time on BI then within a minute it updates to ET minus one hour.

Is the correct Time Zone / DST defined correctly?!?
 
Have you tried switching the time zone to something like Pacific time, saving it, and seeing if it updates properly, and then when it has been verified that it is correctly showing Pacific time, setting it back to Eastern time and saving again? Also, I assume that you have verified that the anomalous camera's IP is showing up in the log viewer. The reason I ask is because 192.168.0.109 is not shown on your log (maybe the log window isn't long enough to show it or maybe you don't have a camera with the x.109 IP).
 
Have you tried switching the time zone to something like Pacific time, saving it, and seeing if it updates properly, and then when it has been verified that it is correctly showing Pacific time, setting it back to Eastern time and saving again? Also, I assume that you have verified that the anomalous camera's IP is showing up in the log viewer. The reason I ask is because 192.168.0.109 is not shown on your log (maybe the log window isn't long enough to show it or maybe you don't have a camera with the x.109 IP).

102 as highlighted.
 
I changed the timezone on the Dahua date/clock settings. You set it to Pacific then it's 4 hours behind, Mountain 3 hours, Central 2 hours, Eastern it's behind by one hour. The other 10 cams it's working fine for Eastern time zone. I believe my DST is set up correctly Just like all the other cams. Going to toggle the DST settings....maybe something is stuck.
 
And I verified that if I manually change the clock to some random time the cam does get updated by NetTime but again instead of ET I get ET minus one hour. Toggling DST and the NTP on the Dahua cam didn't do anything to fix it. I guess I have a cam that has gotten retarded over time. I assume I'd have to do a cam reset to possibly fix this but I don't feel like doing it at this point in time. I will change it to Atlantic time such that when it subtracts one hour it'll be showing be the correct time. :rofl:
 
Have you tried rebooting your BI PC?
 
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And I verified that if I manually change the clock to some random time the cam does get updated by NetTime but again instead of ET I get ET minus one hour. Toggling DST and the NTP on the Dahua cam didn't do anything to fix it. I guess I have a cam that has gotten retarded over time. I assume I'd have to do a cam reset to possibly fix this but I don't feel like doing it at this point in time. I will change it to Atlantic time such that when it subtracts one hour it'll be showing be the correct time. :rofl:

The request was to use a different NTP Server address. Change the time to something else than reboot the camera.
 
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The request was to use a different NTP Server address. Change the time to something else than reboot the camera.

I have 10 other cams set up exactly like the problem one. The problem one had been working fine for over 4 years with this NTP setup. From what I can tell it started acting up recently.
 
I have 10 other cams set up exactly like the problem one. The problem one had been working fine for over 4 years with this NTP setup. From what I can tell it started acting up recently.

It’s clear to me you don’t understand why I asked you to complete these basic steps and to report back the results. :facepalm:
 
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Thanks for everyone's help! :)