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Sonicwall SSL-VPN 2000 Time Keeps Changing

Posted on 2014-10-07
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Last Modified: 2014-10-08
We have a Sonicwall SSL-VPN 2000 that is currently in prodcution for some legacy users/software. Every now and then, the device will get hung up and we'll have to reboot it. Upon reboot, it will give us an error about the time being out of sync with Active Directory.

When I go to the time page, the time is always 10 minutes ahead of the actual time. I've tried syncing to various ntp servers but it stays 10 minutes ahead. If I manually change the time, it works until the next hangup/reboot.

Is there a setting I can change to make the time fall in line automatically with the ntp servers?
Is the SSL-VPN somehow picking up time from somewhere that is 10 minutes ahead?
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Question by:Paul Wagner
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Aaron Tomosky earned 500 total points
ID: 40369209
add your dc as the time server, make sure to check the box "Only use custom NTP servers". you should see it in the log as a "firewall event"

Here is one of my log events, I changed the ip of my dc to xx

10/08/2014 12:12:03.752      Notice      Firewall Event      System time updated based on response from NTP server                    Received reply from NTP server 10.xx
.xx.xx. Update system time from 10/0
8/2014 12:12:03.336 to 10/08/2014 12
:12:03.752
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Author Closing Comment

by:Paul Wagner
ID: 40369267
Exactly what I needed. Didn't even think of using my AD/DC server as the address. Thought it had to be some government ntp thing. Face-palm. Thanks for the help!
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Expert Comment

by:Aaron Tomosky
ID: 40369346
I've always heard that the AD/DC should have a external time source, and then everything else should point to it. If you virtualize, you can point your hosts to the dc and then your vms to the host to avoid a ton of things hitting your dc.
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