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-brief-history-of-time-ok-ok-let-s-go-with-quot-an-introduction-to-the-windows-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
