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have you checked that the cmos battery of the server has not faulted?<br />
is it syncing time from an external NTP server on a different time zone perhaps?
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have you checked that the cmos battery of the server has not faulted?
is it syncing time from an external NTP server on a different time zone perhaps?

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Your root DC should be synchronizing time with a reliable time server. &nbsp;If your DC is virtualized, ensure to NOT synchronize time with the host.
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Your root DC should be synchronizing time with a reliable time server.  If your DC is virtualized, ensure to NOT synchronize time with the host.

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What is the magnitude of the change?<br />
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It is not unusual for hardware clocks to be off up to 10 seconds per day, which causes a time reset when the system syncs to the NTP server.
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What is the magnitude of the change?

It is not unusual for hardware clocks to be off up to 10 seconds per day, which causes a time reset when the system syncs to the NTP server.

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My Windows 2012 DC is running on a physical machine (not vmware). It gets IP address from a CISCO dhcp router. I notice that its time and date changes every day, which also affects the clients systems. Pls what should I do?
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My Windows 2012 DC is running on a physical machine (not vmware). It gets IP address from a CISCO dhcp router. I notice that its time and date changes every day, which also affects the clients systems. Pls what should I do?

Domain Controller time and date keeps chanigng daily

Windows Server 2012 is the server version of Windows 8 and the successor to Windows Server 2008 R2. Windows Server 2012 is the first version of Windows Server to have no support for Itanium-based computers since Windows NT 4.0. Windows Server 2012, now in its second release (Windows Server 2012 Release 2) includes Foundation, Essentials, Standard and Datacenter, and does not support IA-32 or IA-64 processors.