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Eric Hammond
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PDC Emulator change and Windows Time Service

The CPA firm that I work for is splitting, half is joining another firm and the other half will continue on with business as normal.  Server hardware will be split, the half that's leaving will be taking the DC (Server1) that held the FSMO roles.  I have already moved all FSMO roles to a DC (Server2) that's staying.  My question is what are the steps to reconfigure the network time service from Server1 to Server2?

Server1 & Server2 are both Server 2012 R2

Thanks in Advance

Server1

HKLM\SYSTEM\CurrentControlSet\Service\W32Time\Config

"MaxAllowedPhaseOffset"=dword:0000012c
"FrequencyCorrectRate"=dword:00000004
"SpikeWatchPeriod"=dword:00000384
"LocalClockDispersion"=dword:0000000a
"HoldPeriod"=dword:00000005
"PhaseCorrectRate"=dword:00000007
"MaxPollInterval"=dword:0000000a
"MaxPosPhaseCorrection"=dword:0002a300
"PollAdjustFactor"=dword:00000005
"AnnounceFlags"=dword:00000005
"TimeJumpAuditOffset"=dword:00007080
"MinPollInterval"=dword:00000006
"EventLogFlags"=dword:00000002
"MaxNegPhaseCorrection"=dword:0002a300
"LargePhaseOffset"=dword:02faf080
"UpdateInterval"=dword:00000064

HKLM\SYSTEM\CurrentControlSet\Service\W32Time\Paramaters

"ServiceDllUnloadOnStop"=dword:00000001
"ServiceMain"="SvchostEntry_W32Time"
"NtpServer"="”0.north-america.pool.ntp.org,1.north-america.pool.ntp.org,2.north-america.pool.ntp.org,3.north-america.pool.ntp.org"
"Type"="NTP"
"ServiceDll"=hex(2):25,00,73,00,79,00,73,00,74,00,65,00,6d,00,72,00,6f,00,6f,\
  00,74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,\
  77,00,33,00,32,00,74,00,69,00,6d,00,65,00,2e,00,64,00,6c,00,6c,00,00,00

w32tm /query /status results

Leap Indicator: 0(no warning)
Stratum: 1 (primary reference - syncd by radio clock)
Precision: -6 (15.625ms per tick)
Root Delay: 0.0000000s
Root Dispersion: 10.0000000s
ReferenceId: 0x4C4F434C (source name:  "LOCL")
Last Successful Sync Time: 3/28/2017 8:52:49 AM
Source: Local CMOS Clock
Poll Interval: 6 (64s)
Windows Server 2012

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Eric Hammond

8/22/2022 - Mon
Seth Simmons

you could export those registry keys on server1 then backup the same ones on server2 and restore the ones from server1 to server2 then restart windows time service
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Rodney Barnhardt

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Eric Hammond

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Rodney,

After I get server2 configured should I execute the commands w32tm /unregister and w32 /register to reset  Server1  to default so it will use the domain time server hierarchy & not external servers or would  /syncfromflags:DOMHIER accomplish that?

Thanks
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Eric Hammond

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Solution worked exactly as described.
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