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All roles are showing up correctly to the 2012 server after running the command.<br />
<br />
I changed the GC to be on the 2012 only<br />
<br />
After running dcdiag, I still show that all GC's are down
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Check DNS records for the new server and ensure the correct server is referenced in the _msdcs section<br />
<br />
see <a href="https://technet.microsoft.com/en-gb/library/cc759550(v=ws.10).aspx" rel="ugc">DNS for Active Directory</a>
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What am I looking for in terms of reference? &nbsp;There are a number of objects
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I would (myself) start by looking for entries that reference your old server these should be duplicated by entries referencing the new server. If these new references do not exist then you have found your problem.<br />
<br />
see <br />
<br />
<a href="https://social.technet.microsoft.com/Forums/windowsserver/en-US/d392c907-623e-47c5-aaa8-5889a0563243/server-2008-srv-records-missing?forum=winservergen" rel="ugc nofollow">DNS AD Zone error </a><br />
<br />
for help
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<blockquote>
ensure the correct server is referenced in the _msdcs section
</blockquote>
<br />
How do I do this in DNS<br />
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<a href="https://filedb.experts-exchange.com/incoming/2016/03_w10/1084893/error.jpg" target="_blank" title="error.jpg (114 KB)"><img alt="error.jpg" class="file-block lazyload" style="max-width: 800px;" data-src="https://filedb.experts-exchange.com/incoming/2016/03_w10/800_1084893/error.jpg" /></a>
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error.jpg

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The AD is showing up now after applying the initial suggestions above.
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<div class="content wysiwyg-content">
I have 2012 server that replaced a 2003 server on my domain. &nbsp;The FSMO roles have been transferred and DC promoted. &nbsp;When the old 2003 PDC is off the 2012 server has issues with AD. &nbsp;I can't access it when the old server is shutdown. &nbsp;However when I run dcdialog, I get errors below. &nbsp;how do I fix the errors?<br />
<br />
&nbsp;Warning: DcGetDcName(GC_SERVER_REQU<wbr />IRED) call failed, error 1355<br />
&nbsp;A Global Catalog Server could not be located - All GC's are down.<br />
&nbsp;Warning: DcGetDcName(TIME_SERVER) call failed, error 1355<br />
&nbsp;A Time Server could not be located.<br />
&nbsp;The server holding the PDC role is down.<br />
&nbsp;Warning: DcGetDcName(GOOD_TIME_SERV<wbr />ER_PREFERR<wbr />ED) call failed, error 1355<br />
&nbsp;A Good Time Server could not be located.<br />
&nbsp;Warning: DcGetDcName(KDC_REQUIRED) call failed, error 1355<br />
&nbsp;A KDC could not be located - All the KDCs are down.
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I have 2012 server that replaced a 2003 server on my domain.  The FSMO roles have been transferred and DC promoted.  When the old 2003 PDC is off the 2012 server has issues with AD.  I can't access it when the old server is shutdown.  However when I run dcdialog, I get errors below.  how do I fix the errors?

 Warning: DcGetDcName(GC_SERVER_REQUIRED) call failed, error 1355
 A Global Catalog Server could not be located - All GC's are down.
 Warning: DcGetDcName(TIME_SERVER) call failed, error 1355
 A Time Server could not be located.
 The server holding the PDC role is down.
 Warning: DcGetDcName(GOOD_TIME_SERVER_PREFERRED) call failed, error 1355
 A Good Time Server could not be located.
 Warning: DcGetDcName(KDC_REQUIRED) call failed, error 1355
 A KDC could not be located - All the KDCs are down.

DCdialog error - AD does not show up after PDC was shut down

The Microsoft Server topic includes all of the legacy versions of the operating system, including the Windows NT 3.1, NT 3.5, NT 4.0 and Windows 2000 and Windows Home Server versions.

Microsoft Server OS

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

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.