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What timezone is DC01 set to and what country is it located in physically?
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What timezone is DC01 set to and what country is it located in physically?

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Please check Time sync of DC01 with VmWare host. <a href="https://pubs.vmware.com/vsphere-50/index.jsp?topic=%2Fcom.vmware.vmtools.install.doc%2FGUID-C0D8326A-B6E7-4E61-8470-6C173FDDF656.html" rel="ugc nofollow">link</a><br />
It should be disable.
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Please check Time sync of DC01 with VmWare host. link [https://pubs.vmware.com/vsphere-50/index.jsp?topic=%2Fcom.vmware.vmtools.install.doc%2FGUID-C0D8326A-B6E7-4E61-8470-6C173FDDF656.html]
It should be disable.

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Just curious: <br />
<br />
Since DC2 is intended as backup machine (I presume it's on BDC role), why don't you sync it from internet, too ? That would increase reliability of the entire computing ensemble.<br />
<br />
In that case all dependent workstations need two &quot;server&quot; in their config.
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Just curious:

Since DC2 is intended as backup machine (I presume it's on BDC role), why don't you sync it from internet, too ? That would increase reliability of the entire computing ensemble.

In that case all dependent workstations need two "server" in their config.

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Hi,<br />
<br />
We have 2 DC's with 2012 R2. Both are acting as NTP servers (VMware based).<br />
<br />
The main DC (DC01) update its time from the internet while DC02 updates from DC01.<br />
DC02 keep CORRECT time.<br />
DC01 sometimes changes 2 hours ahead.<br />
<br />
Please advise.<br />
<br />
Thanks
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Hi,

We have 2 DC's with 2012 R2. Both are acting as NTP servers (VMware based).

The main DC (DC01) update its time from the internet while DC02 updates from DC01.
DC02 keep CORRECT time.
DC01 sometimes changes 2 hours ahead.

Please advise.

Thanks

Windows server 2012 R2 NTP change time automatically

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.

Windows Server 2012

VMware, a software company founded in 1998,  was one of the first commercially successful companies to offer x86 virtualization. The storage company EMC purchased VMware in 1994. Dell Technologies acquired EMC in 2016. VMware’s parent company is now Dell Technologies.

VMware has many software products that run on desktops, Microsoft Windows, Linux, and macOS, which allows the virtualizing of the x86 architecture.  Its enterprise software hypervisor for servers, VMware vSphere Hypervisor (ESXi), is a bare-metal hypervisor that runs directly on the server hardware and does not require an additional underlying operating system.

VMware

Virtualization is the act of creating a virtual (rather than actual) version of something, including (but not limited to) a virtual computer hardware platform, operating system (OS), storage device, or computer network resources. Virtualization is usually the creation of a system that executes separate from the underlying hardware resources, or the creation of an entire desktop for systems located elsewhere, similar to thin clients.