Wireshark is your friend... Always On Fri, Feb 3, 2017 at 3:52 PM Jimmy Tran <[email protected]> wrote:
> Sorry, I was using a different app, not telnet that was querying udp. I > guess wireshark is the next step. Thanks for the tip. > > -----Original Message----- > From: [email protected] [mailto: > [email protected]] On Behalf Of Kurt Buff > Sent: Friday, February 3, 2017 3:39 PM > To: ntsysadm <[email protected]> > Subject: Re: [NTSysADM] RE: can't set NTP time source on PDC > > Um, telnet only works over TCP, not UDP. I don't think you were testing > what you thought you were testing. > > You could try this: > https://github.com/besimorhino/powercat > if you want to test UDP > > Or, more likely (if you don't want to install Wireshark on your > machine) you could use the trace functionality in netsh to verify what > packets are sent and received: > https://technet.microsoft.com/en-us/library/dd878517(v=ws.10).aspx > > Kurt > > On Fri, Feb 3, 2017 at 3:13 PM, Jimmy Tran <[email protected]> wrote: > > I get errors when I run that: 15:05:47 error: 0x800705B4. I did check > > that I can telnet into pool.ntp.org on port 123 UDP so the firewall > > isn’t blocking it. > > > > > > > > I’m at a loss….. > > > > > > > > > > > > > > > > From: [email protected] > > [mailto:[email protected]] > > On Behalf Of Charles F Sullivan > > Sent: Friday, February 3, 2017 8:36 AM > > To: [email protected] > > Subject: RE: [NTSysADM] RE: can't set NTP time source on PDC > > > > > > > > Good point. To that end, what happens if you try “w32tm /stripchart > > /computer:pool.ntp.org” from the PDC? > > > > > > > > From: [email protected] > > [mailto:[email protected]] > > On Behalf Of Michael B. Smith > > Sent: Friday, February 3, 2017 11:23 AM > > To: [email protected] > > Subject: [NTSysADM] RE: can't set NTP time source on PDC > > > > > > > > That sounds like a firewall issue. And probably not the Windows firewall. > > > > > > > > From: [email protected] > > [mailto:[email protected]] > > On Behalf Of Jimmy Tran > > Sent: Friday, February 3, 2017 10:50 AM > > To: [email protected] > > Subject: [NTSysADM] RE: can't set NTP time source on PDC > > > > > > > > It looks like the problem I’m running into is when I run “w32tm > > /resync /rediscover”. It gives me the error “The computer did not > > resync because no time data was available”, even after I follow the > > standard documentation to set the NTP server and to restart services. > > Event log shows it’s trying to connect to pool.ntp.org but it doesn’t > receive a response. > > > > > > > > When I do this from my local PC it works. Perhaps there is something > > blocking it at the client site? Question is what…. > > > > > > > > Any thoughts? > > > > > > > > From: [email protected] > > [mailto:[email protected]] > > On Behalf Of Michael B. Smith > > Sent: Thursday, February 2, 2017 3:08 PM > > To: [email protected] > > Subject: [NTSysADM] RE: can't set NTP time source on PDC > > > > > > > > This is my old, but still valid, blog post on this topic: > > > > > > > > http://theessentialexchange.com/blogs/michael/archive/2010/01/29/a-bri > > ef-history-of-time-ok-ok-let-s-go-with-quot-an-introduction-to-the-win > > dows-time-service-quot.aspx > > > > > > > > > > > > From: [email protected] > > [mailto:[email protected]] > > On Behalf Of Jimmy Tran > > Sent: Thursday, February 2, 2017 9:11 AM > > To: [email protected] > > Subject: [NTSysADM] can't set NTP time source on PDC > > > > > > > > Hi Guys, > > > > > > > > I’ve been having trouble changing the Windows time source to any > > outside NTP server. It is current set to local but the time is off so > > I wanted to set it to an outside time source. > > > > > > > > When I run “w32tm /query /status”, it shows (source name: “LOCL”). So > > now I run “w32tm /config /syncfromflags:manual > > /manualpeerlist:pool.ntp.org /reliable:yes /update” and it completes > > successfully. I’ll restart the time service and do a query again but > > it still shows LOCL. I am doing this on the PDC on the domain. I’ve > > tried a reboot and even unregistering w32tm but nothing helps. I’m out > of ideas. > > > > > > > > Thanks, > > > > > > > > JT > > >
