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Failed to synchronize license information with Licensing Server. 1001

TraNhuTraNhu Newbie ✭
in Entry Level Firewalls

Hi all!

I am having problem with sonicwall tz600 with SonicOS Enhanced 6.5.1.2-52n firmware: "Failed to synchronize license information with Licensing Server. 1001".
All connectivity to the WAN just stopped. Fiber to ISP was fine as our phones still worked.
Please help any solution to fix the problem. thanks!

Category: Entry Level Firewalls
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Answers

  • BWCBWC Cybersecurity Overlord ✭✭✭

    @TraNhu your firmware is way to old and probably due to SSL/TLS issues your appliance is not able to connect to the licensing servers anymore because of the more modern encryption protocols are in use.

    Update to 6.5.4.15 and give it a try, other benefit would be that you close all the vulnerabilities since 6.5.1.2, a lot of birds with just one stone :)

    —Michael@BWC

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