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W32Time not synchronizing with PDC after /syncfromflags:domhier

.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty{ height:90px;width:728px;box-sizing:border-box;
}

1

2

We have two domain controllers on a local network:

Zeus [PDC]

Neptune

Zeus is configured to pull from an external time source and is set as reliable:

w32tm /config /manualpeerlist:0.pool.ntp.org /syncfromflags:manual /reliable:yes /update

However, when setting Neptune to pull from the domain hierarchy, or, even configuring to pull from Zeus directly, W32Time always just pulls from CMOS:

w32tm /config /syncfromflags:domhier /update

Source: Local CMOS Clock

w32tm /config /manualpeerlist:zeus.example.com /syncfromflags:manual /update

Source: Local CMOS Clock

I've tried unregistering and reregistering Windows Time on Neptune to no avail:

net stop w32time

w32tm /unregister

w32tm /register

net start w32time

Zeus' firewall allows all incoming traffic on domain networks for purposes of testing, and there's no other network devices in between them.

windows networking windows-server-2008-r2 ntp

share|improve this question

asked Jan 22 '16 at 14:39

IAmTheSquidwardIAmTheSquidward

447311

bumped to the homepage by Community♦ 4 hours ago

This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.

add a comment | 

1

2

We have two domain controllers on a local network:

Zeus [PDC]

Neptune

Zeus is configured to pull from an external time source and is set as reliable:

w32tm /config /manualpeerlist:0.pool.ntp.org /syncfromflags:manual /reliable:yes /update

However, when setting Neptune to pull from the domain hierarchy, or, even configuring to pull from Zeus directly, W32Time always just pulls from CMOS:

w32tm /config /syncfromflags:domhier /update

Source: Local CMOS Clock

w32tm /config /manualpeerlist:zeus.example.com /syncfromflags:manual /update

Source: Local CMOS Clock

I've tried unregistering and reregistering Windows Time on Neptune to no avail:

net stop w32time

w32tm /unregister

w32tm /register

net start w32time

Zeus' firewall allows all incoming traffic on domain networks for purposes of testing, and there's no other network devices in between them.

windows networking windows-server-2008-r2 ntp

share|improve this question

asked Jan 22 '16 at 14:39

IAmTheSquidwardIAmTheSquidward

447311

bumped to the homepage by Community♦ 4 hours ago

This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.

add a comment | 

We have two domain controllers on a local network:

Zeus [PDC]

Neptune

Zeus is configured to pull from an external time source and is set as reliable:

w32tm /config /manualpeerlist:0.pool.ntp.org /syncfromflags:manual /reliable:yes /update

However, when setting Neptune to pull from the domain hierarchy, or, even configuring to pull from Zeus directly, W32Time always just pulls from CMOS:

w32tm /config /syncfromflags:domhier /update

Source: Local CMOS Clock

w32tm /config /manualpeerlist:zeus.example.com /syncfromflags:manual /update

Source: Local CMOS Clock

I've tried unregistering and reregistering Windows Time on Neptune to no avail:

net stop w32time

w32tm /unregister

w32tm /register

net start w32time

Zeus' firewall allows all incoming traffic on domain networks for purposes of testing, and there's no other network devices in between them.

windows networking windows-server-2008-r2 ntp

share|improve this question

asked Jan 22 '16 at 14:39

IAmTheSquidwardIAmTheSquidward

447311

w32tm /config /syncfromflags:domhier /update

Source: Local CMOS Clock

w32tm /config /manualpeerlist:zeus.example.com /syncfromflags:manual /update

Source: Local CMOS Clock

net stop w32time

w32tm /unregister

w32tm /register

net start w32time

share|improve this question

asked Jan 22 '16 at 14:39

IAmTheSquidwardIAmTheSquidward

447311

share|improve this question

asked Jan 22 '16 at 14:39

IAmTheSquidwardIAmTheSquidward

447311

asked Jan 22 '16 at 14:39

IAmTheSquidwardIAmTheSquidward

447311

asked Jan 22 '16 at 14:39

IAmTheSquidwardIAmTheSquidward

447311

1 Answer
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0

Late response I know, but a few comments/observations from someone who has wrestled with this. Note: I don't claim to know the answer directly to your question.

1. Have you submitted a resync after these config changes?


2. What do your Event Logs say? Windows-Time can be quite vocal and gives reasonably good troubleshooting guidance.


3. I wouldn't use the NTP pool for time sync with Windows domains. I previously read that Windows isn't fond of the change in servers stratums which is commonplace between requests.


4. On your second DC why not just set it to also sync from a manual peer list and see if that alters things.


5. Extension of 3, here you can find a list of servers to sync with. You should even be able to find some stratum 1 servers in your region. I'm in the UK and have maintained perfect time sync using ntppub.le.ac.uk, ntp.cis.strath.ac.uk and ntp2c.mcc.ac.uk for years.

A previous question of mine generated a great response and there's tons of info here on this subject.

share|improve this answer

edited Apr 13 '17 at 12:14

Community♦

1

answered Feb 20 '17 at 22:13

GeorgeGeorge

133115

add a comment | 

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0

Late response I know, but a few comments/observations from someone who has wrestled with this. Note: I don't claim to know the answer directly to your question.

1. Have you submitted a resync after these config changes?


2. What do your Event Logs say? Windows-Time can be quite vocal and gives reasonably good troubleshooting guidance.


3. I wouldn't use the NTP pool for time sync with Windows domains. I previously read that Windows isn't fond of the change in servers stratums which is commonplace between requests.


4. On your second DC why not just set it to also sync from a manual peer list and see if that alters things.


5. Extension of 3, here you can find a list of servers to sync with. You should even be able to find some stratum 1 servers in your region. I'm in the UK and have maintained perfect time sync using ntppub.le.ac.uk, ntp.cis.strath.ac.uk and ntp2c.mcc.ac.uk for years.

A previous question of mine generated a great response and there's tons of info here on this subject.

share|improve this answer

edited Apr 13 '17 at 12:14

Community♦

1

answered Feb 20 '17 at 22:13

GeorgeGeorge

133115

add a comment | 

0

Late response I know, but a few comments/observations from someone who has wrestled with this. Note: I don't claim to know the answer directly to your question.

1. Have you submitted a resync after these config changes?


2. What do your Event Logs say? Windows-Time can be quite vocal and gives reasonably good troubleshooting guidance.


3. I wouldn't use the NTP pool for time sync with Windows domains. I previously read that Windows isn't fond of the change in servers stratums which is commonplace between requests.


4. On your second DC why not just set it to also sync from a manual peer list and see if that alters things.


5. Extension of 3, here you can find a list of servers to sync with. You should even be able to find some stratum 1 servers in your region. I'm in the UK and have maintained perfect time sync using ntppub.le.ac.uk, ntp.cis.strath.ac.uk and ntp2c.mcc.ac.uk for years.

A previous question of mine generated a great response and there's tons of info here on this subject.

share|improve this answer

edited Apr 13 '17 at 12:14

Community♦

1

answered Feb 20 '17 at 22:13

GeorgeGeorge

133115

add a comment | 

Late response I know, but a few comments/observations from someone who has wrestled with this. Note: I don't claim to know the answer directly to your question.

1. Have you submitted a resync after these config changes?


2. What do your Event Logs say? Windows-Time can be quite vocal and gives reasonably good troubleshooting guidance.


3. I wouldn't use the NTP pool for time sync with Windows domains. I previously read that Windows isn't fond of the change in servers stratums which is commonplace between requests.


4. On your second DC why not just set it to also sync from a manual peer list and see if that alters things.


5. Extension of 3, here you can find a list of servers to sync with. You should even be able to find some stratum 1 servers in your region. I'm in the UK and have maintained perfect time sync using ntppub.le.ac.uk, ntp.cis.strath.ac.uk and ntp2c.mcc.ac.uk for years.

A previous question of mine generated a great response and there's tons of info here on this subject.

share|improve this answer

edited Apr 13 '17 at 12:14

Community♦

1

answered Feb 20 '17 at 22:13

GeorgeGeorge

133115

share|improve this answer

edited Apr 13 '17 at 12:14

Community♦

1

answered Feb 20 '17 at 22:13

GeorgeGeorge

133115

edited Apr 13 '17 at 12:14

Community♦

1

edited Apr 13 '17 at 12:14

Community♦

1

answered Feb 20 '17 at 22:13

GeorgeGeorge

133115

answered Feb 20 '17 at 22:13

GeorgeGeorge

133115