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How to configure the Windows Time Service to use an internal clock

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How to configure the Windows Time Service to use an internal clock

Picard Product_Support
‎2018-09-11 01:28 AM

Last Updated: Administrator CraigEl Administrator ‎2022-08-08 09:56 PM

Warning

Potential for Data Loss: The steps detailed in the resolution of this article may result in a loss of critical data if not performed properly. Before beginning these steps, make sure all important data is backed up in the event of data loss. If you are unsure or unfamiliar with any complex steps detailed in this article, please contact Product Support Services for assistance.

Issue

Time synchronisation is often an issue on large BMS installations. A central time signal is normally required to make sure all controllers, terminals or workstations have the correct time. If there is no internet connection available then the time has to be synchronised from a central source.

Product Line

Andover Continuum, EcoStruxure Building Operation, Satchwell MicroNet, Satchwell Sigma, TAC Vista

Environment

  • Sigma
  • Continuum
  • Vista
  • SmartStruxure
  • Windows XP
  • Windows 7
  • Server 2003
  • Server 2008 R2

Cause

No internet connection available to synchronise the system time.

Resolution

Important The methods below contain steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs.

If using Windows XP, please use the following link - http://support.microsoft.com/kb/314054

If using Server or Windows 7 OS, please use the following link - http://support.microsoft.com/kb/816042

This has been tested for Time updates to an AS by simply using the PC IP address as the primary NTP Time Server. If the firewall is turned on you also need to make sure UDP 123 is open.

Please note that Windows will add a dispersion to the time that may cause issues with time synchronization, please see Automation Servers ignore time sync message sent from Windows NTP server that uses local internal cl... for details.

Labels (5)
Labels:
  • Andover Continuum
  • EcoStruxure Building Operation
  • Satchwell BAS & Sigma
  • Satchwell MicroNet
  • TAC Vista
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