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Windows 7: How To disable time update?

10 Mar 2011   #11

Operating System : Windows 7 Home Premium Edition 6.01.7600 SP1 (x64)

what browser do you use google chrome has a translator installed >>> Google Chrome for Windows - Terms and Conditions Agreement

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10 Mar 2011   #12

Windows 7

I have used but you should know, that it wont transtale perfectly...
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10 Mar 2011   #13

Operating System : Windows 7 Home Premium Edition 6.01.7600 SP1 (x64)

i have to go and do a lecture today so will be back on this thread asap
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10 Mar 2011   #14

Windows 7

Ok, i hope u can help me later
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10 Mar 2011   #15

Operating System : Windows 7 Home Premium Edition 6.01.7600 SP1 (x64)

hi im back on line, did you find any help in the posts i posted?
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10 Mar 2011   #16

Operating System : Windows 7 Home Premium Edition 6.01.7600 SP1 (x64)

Quote   Quote: Originally Posted by futbolinis View Post
Thank's for your suggestions, but there is another problem om my Win 7. I will try to explain my situation. I have a MacBook Pro, with double OS. Default OS is Mac OS X, other - Windows 7. For example: on Mac OS X is 12:00 and i restart system to Win 7. Everything is ok, when i am disconnected from the internet, time on Win 7 is 12:00. Immediatly when internet connects, it updates -2 hours, and show me 10:00. When i disconnect from the internet again, nothing changes, time remains 10:00. Every time i restart my Mac OS into Win 7, i have to change time +2 hours and it's a very annoying thing. I think, that changing time zones will not solve this problem, because Mac OS X fix time like UTC, but Windows like UTC+2, because my time zone is Lithuania. I have already solve time zone question, i just set the time zone on both OS like UTC.

In Windows (UTC Dublin, Edinburgh, Lisbon, London)

In Mac OS X (Dublin-Ireland)

As i mentioned, everything is now ok, time is not changing when i change OS, until i am disconnected from the internet. I suppose, if i will find the solution how to disable time autoupdate, this problem will dissapear. I hope you understand my english;D

have you tried turning windows 7 automatic time update off?
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10 Mar 2011   #17

Operating System : Windows 7 Home Premium Edition 6.01.7600 SP1 (x64)

By default Windows synchronizes the time of your system with the online time server It is a useful since it adjusts your system time automatically and you need not bother taking care of your system clock manually. Lets have a look on the other side of the picture, this feature might not be desired by some users as synchronizing the system time with a public Internet time server can sometimes show wrong time mostly because of daylight saving. Some governments in various countries implement daylight saving time on various dates and the public Internet time server is not updated with the change, thus showing wrong time by an hour.

  1. Right-click the system clock and choose the Adjust date/time option.
  2. The Date and Time dialogue box will be displayed, now go to the Internet Time tab and click the Change setting button.
  3. Now in the Internet Time Settings dialogue box, uncheck the Synchronize with an Internet time server option.
  4. Click OK to complete the configuration and you are done.

Attached Images
How To disable time update?-brys-snap-10-march-2011-18h59m41s.png 
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14 Mar 2011   #18

Windows 7

The Internet time server option synchronization, was already unchecked... And Windows 7 automatic updates also is turned off...

Time still updates on internet connection...
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16 Mar 2011   #19

Windows 7

So, as i understood, this problem cannot be fixed...
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16 Mar 2011   #20

Operating System : Windows 7 Home Premium Edition 6.01.7600 SP1 (x64)

will look in to it again for you watch this space the procedure i posted should of worked. find out what port windows uses for time update and disable it ?


Stopping Time Synchronization

There are certain situations in which you will want to stop a computer from synchronizing its time. For example, if a computer attempts to synchronize from a time source on the Internet or from another site over a WAN by means of a dial-up connection, it can incur costly telephone charges. When you disable synchronization on that computer, you prevent the computer from attempting to access a time source over a dial-up connection.

You can also disable synchronization to prevent the generation of errors in the event log. Each time a computer attempts to synchronize with a time source that is unavailable, it generates an error in the Event Log. If a time source is taken off of the network for scheduled maintenance and you do not intend to reconfigure the client to synchronize from another source, you can disable synchronization on the client to prevent it from attempting synchronization while the time server is unavailable.

It is useful to disable synchronization on the computer that is designated as the root of the synchronization network. This indicates that the root computer trusts its local clock. If the root of the synchronization hierarchy is not set to NoSync and if it is unable to synchronize with another time source, clients do not accept the packet that this computer sends out because its time cannot be trusted.

The only time servers that are trusted by clients even if they have not synchronized with another time source are those that have been identified by the client as reliable time servers.

Disabling the Windows Time Service

The Windows Time service (W32Time) can be completely disabled. If you choose to implement a third-party time synchronization product that uses NTP, you must disable the Windows Time service. This is because all NTP servers need access to User Datagram Protocol (UDP) port 123, and as long as the Windows Time service is running on the Windows Server 2003 operating system, port 123 remains reserved by Windows Time.
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 How To disable time update?

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