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AFAIK, given Windows server, one can be assured that bios and os clock are syncronous.
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But is there a way to check from inside os? &nbsp;I don't want to reboot my PDC to check the clock...
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And yes, it is possible for OS manages to syncronize its clock with bios one and vice versa. Sorry for I cant pinpoint aprropriate API right now.
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Is it possible to read bios clock from within OS? &nbsp;Without have to reboot server? &nbsp;I am using Windows Server 2008.
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Is it possible to read bios clock from within OS?  Without have to reboot server?  I am using Windows Server 2008.

Bios Clock

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Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.