Archived Forums. Windows Mobile Development. Sign in to vote. Hi, I am developing application for Windows Ce 5. We need to sync the Time with the Time Server to make sure that the time is upto date. But when I issue the command to sync with the server I get an error saying I am attaching the code Monday, March 1, AM. I can't help any further with no knowledge of Windows CE 5 caveats.
I guess the capital letter did not work My goals are quite simple and I don't want to do any CE 5. Simply want the time to update correctly hopefully using only timesvc registry settings. New Spamming tool? The Bat! Speedtouch supplied by Virgin broadband started UTC. He has Met the Spammer and it is Him The only changes that have taken place was adding a few new scanners it's hard to track down the problem since they're only saying something now.
They are not set to sync with the time server, and I don't believe they ever were. I have grabbed one and played with it and it eventually goes back to being either an hour and 3 minutes ahead or behind depending on what time zone I switched it to to get it to the right time.
It's not holding the right time for some reason, not sure why it would all of a sudden jump right time zone, and not right time zone. It's off by an hour and 3 minutes no matter what? At first it's the right time when I switch it, but then after a few minutes it changes by an hour and 3 minutes. If it is switching by a set amount of time like that it has to be synchronizing with something. If it was just drifting I would agree with the battery issue, but an exact time change like this? That doesn't fit.
You said these scanners don't have a battery, anyway? Do they just connect via USB? Where is the time being set? No, they do have a battery. I just meant that they don't have an internal battery like a cmos battery sorry for the confusion, I'm not sure if internal batteries are in any RF's. CE really doesn't allow for much in the way of changes.
Are all of them off by the same 1 hour 3 minutes? My guess is that 60 days ago the machine they are synchronizing with had its time changed. That's the machine you need to find so you can fix the clock on it. Thanks for your help Larry. Every computer that is running the Windows Time service uses the service to maintain the most accurate time.
Computers that are members of a domain act as a time client by default, therefore, in most cases it is not necessary to configure the Windows Time Service. However, the Windows Time Service can be configured to request time from a designated reference time source, and can also provide time to clients. The degree to which a computer's time is accurate is called a stratum.
The most accurate time source on a network such as a hardware clock occupies the lowest stratum level, or stratum one. This accurate time source is called a reference clock. An NTP server that acquires its time directly from a reference clock occupies a stratum that is one level higher than that of the reference clock.
Resources that acquire time from the NTP server are two steps away from the reference clock, and therefore occupy a stratum that is two higher than the most accurate time source, and so on. As a computer's stratum number increases, the time on its system clock may become less accurate. Therefore, the stratum level of any computer is an indicator of how closely that computer is synchronized with the most accurate time source.
When the W32Time Manager receives time samples, it uses special algorithms in NTP to determine which of the time samples is the most appropriate for use. The time service also uses another set of algorithms to determine which of the configured time sources is the most accurate. When the time service has determined which time sample is best, based on the above criteria, it adjusts the local clock rate to allow it to converge toward the correct time.
If the time difference between the local clock and the selected accurate time sample also called the time skew is too large to correct by adjusting the local clock rate, the time service sets the local clock to the correct time. This adjustment of clock rate or direct clock time change is known as clock discipline. The Windows Time Service Manager is responsible for initiating the action of the NTP time providers included with the operating system. The Windows Time Service Manager controls all functions of the Windows Time service and the coalescing of all time samples.
In addition to providing information about the current system state, such as the current time source or the last time the system clock was updated, the Windows Time Service Manager is also responsible for creating events in the event log. These time samples are then passed to the Windows Time Service Manager, which collects all the samples and passes them to the clock discipline subcomponent.
The clock discipline subcomponent applies the NTP algorithms which results in the selection of the best time sample. The clock discipline subcomponent adjusts the time of the system clock to the most accurate time by either adjusting the clock rate or directly changing the time. If a computer has been designated as a time server, it can send the time on to any computer requesting time synchronization at any point in this process. Time protocols determine how closely two computers' clocks are synchronized.
A time protocol is responsible for determining the best available time information and converging the clocks to ensure that a consistent time is maintained on separate systems. NTP is an Internet time protocol that includes the discipline algorithms necessary for synchronizing clocks. NTP is a fault-tolerant, highly scalable time protocol and is the protocol used most often for synchronizing computer clocks by using a designated time reference. NTP time synchronization takes place over a period of time and involves the transfer of NTP packets over a network.
NTP packets contain time stamps that include a time sample from both the client and the server participating in time synchronization. NTP relies on a reference clock to define the most accurate time to be used and synchronizes all clocks on a network to that reference clock. UTC is independent of time zones and enables NTP to be used anywhere in the world regardless of time zone settings. NTP includes two algorithms, a clock-filtering algorithm and a clock-selection algorithm, to assist the Windows Time service in determining the best time sample.
The clock-filtering algorithm is designed to sift through time samples that are received from queried time sources and determine the best time samples from each source. The clock-selection algorithm then determines the most accurate time server on the network. This information is then passed to the clock discipline algorithm, which uses the information gathered to correct the local clock of the computer, while compensating for errors due to network latency and computer clock inaccuracy.
The NTP algorithms are most accurate under conditions of light-to-moderate network and server loads. As with any algorithm that takes network transit time into account, NTP algorithms might perform poorly under conditions of extreme network congestion. The Windows Time service is a complete time synchronization package that can support a variety of hardware devices and time protocols. To enable this support, the service uses pluggable time providers.
A time provider is responsible for either obtaining accurate time stamps from the network or from hardware or for providing those time stamps to other computers over the network. The NTP provider is the standard time provider included with the operating system.
NtpServer output provider. This is a time server that responds to client time requests on the network. NtpClient input provider. This is a time client that obtains time information from another source, either a hardware device or an NTP server, and can return time samples that are useful for synchronizing the local clock.
Although the actual operations of these two providers are closely related, they appear independent to the time service.
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