W32time service and external time source

hi

i have 9 windows  2003 r2 servers stand alone, servers use thirdparty
time source linux server . our servers critical time sensitive trade servers.
have problem 3 of our servers tthere diffrence of approx 1 2 seconds.

question
1)i know whether w32time service should enabled or disabled on servers when using third party
    time source ( servers enabled)
2) as  per microsoft   "the w32time service cannot reliably maintain sync time range of 1 2 seconds. such tolerances outside design     specification of w32time service."
3) servers regkey  hkey_local_machine\system\currentcontrolset\services\w32\timeproviders\ntpservers\enabled  set "0"
4) if w32time services running , regkey (ntpservers) set "0"  mean w32time service precedes thirdparty time source.
5) best way identify , tweak diffrence 3 servers.
6) there command or tool can compare servers time monitoring diff.

john c

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john cherian

hi john,

thank post.

1)yes, need disabled.
2)yes, outside design.

if have apps require sensitive transactional processing timing down second, suggested use third party time service.
if choose implement third-party time synchronization product uses ntp, must disable windows time service. because ntp servers need access user datagram protocol (udp) port 123, , long windows time service running on windows server 2003 operating system, port 123 remains reserved windows time.
if want list of third-party time software, please read kb939322 include third-party publishers of time , frequency software list link.

regards,
rick tan

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