Linux NTP client is not syncing with Windows NTP server (Doc ID 2338398.1)

Last updated on APRIL 15, 2021

Applies to:

Symptoms

 The Linux client is not syncing with the windows NTP server, with ntpstat and ntpq showing the following outputs:

# ntpstat

unsynchronised
time server re-starting
polling server every 64 s

# ntpq -p
remote refid st t when poll reach delay offset jitter
==============================================================================
xxx.mef .LOCL. 1 u 43 64 1 0.812 -62141. 0.000
yyy.mef. .INIT. 16 u - 64 0 0.000 0.000 0.000

# ntpq
ntpq> as

ind assID status conf reach auth condition last_event cnt
===========================================================
1 44945 9014 yes yes none reject reachable 1
2 44946 8000 yes yes none reject reachable 1

# ntpq
ntpq> rv 44945
assID=44945 status=9014 reach, conf, 1 event, event_reach,
srcadr=xxx.mef, srcport=123, dstadr=10.XXX.XXX.34,
dstport=123, leap=00, stratum=1, precision=-6, rootdelay=0.000,
rootdispersion=10939.377, refid=LOCL, reach=377, unreach=0, hmode=3,
pmode=4, hpoll=6, ppoll=6, flash=400 peer_dist, keyid=0, ttl=0,
offset=20.817, delay=0.989, dispersion=16.511, jitter=1.848,
reftime=ddcfe691.dd3570fb Mon, Dec 4 2017 10:21:53.864,
org=ddd11e56.65250ead Tue, Dec 5 2017 8:32:06.395,
rec=ddd11e56.5ff13046 Tue, Dec 5 2017 8:32:06.374,
xmt=ddd11e56.5fb0656b Tue, Dec 5 2017 8:32:06.373,
filtdelay= 0.99 0.77 0.74 0.87 0.78 0.81 0.79 0.63,
filtoffset= 20.82 21.82 22.65 21.44 25.14 20.27 21.16 20.52,
filtdisp= 15.63 16.62 17.59 18.55 19.53 20.52 21.51 22.48

Cause

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