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Configure NTP in multi server domain.

Posted on 2014-09-16
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Last Modified: 2014-10-02
I have a single domain, single Lan segment with.....
1x physical 2003 Server/DC  hosting the FSMO roles
1x physical 2003 Server/DC - App Server
1x Physical 2003 Server/DC - File Server
2x physical 2012 R2 Standard Server - both Hyper-V hosts - each hosting 2x 2012VMs.
1x Physical 2012 R2 Standard Server/DC  - which will take over hosting the FSMO roles next week.  All 2003 machines will be retired within the month.  One of the VMs will be the 2nd DC after the 2003 servers are gone.


Currentty,
The first two 2003 servers list NTP their time source as 0.us.pool.ntp.org & 1.US.pool.ntp.org
The Third 2003 server and the 2012 servers list their NTP time source as Time.Windows.com, 0x1


How time supposed to be configured and now and after I switch fSMO roles and retire the 2003 machines.  

Thank You.
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Question by:howmad2
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Accepted Solution

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David Johnson, CD, MVP earned 1500 total points
ID: 40325661
The Third 2003 server and the 2012 servers list their NTP time source as Time.Windows.com, 0x1  that is the default you can change it.
ON the PDC /PDC emulator server ONLY
Net Stop W32Time
w32tm /config /syncfromflags:manual /manualpeerlist:0.pool.ntp.org,1.pool.ntp.org,2.pool.ntp.org,3.pool.ntp.org
W32tm /config /reliable:yes
Net Start W32Time
W32tm /config /update
W32tm /resync

Open in new window

all other machines should be getting their time from the PDC
w32tm /config /syncfromflags:domhier /update
net stop w32time 
net start w32time

Open in new window

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