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TZ 370 IPSec Site2Site VPN not working - Invalid Syntax

MartinMPMartinMP Newbie ✭
edited April 28 in Entry Level Firewalls

Hi all

I have previously had a working IPSec site2site VPN between my TZ500 and a Unifi USG firewall with no issues at all.

The thing is though, I have upgraded my TZ500 to a new TZ370 and I simply cannot get the IPSec site2site VPN to work at all between my TZ370 and the Unifi USG firewall.

TZ370 is running SonicOS 7.0.1-R1262 which is the last available FW at mysonicwall.com

I have tried the following without success.

1.

Exported the config from TZ500 and migrated it with https://migratetool.global.sonicwall.com/ and then imported it to TZ370, no working VPN.


2.

Did a factory reset on TZ370 and setup everything, from scratch but still not working VPN.


3. Tried many different things with the IPSec config without any luck.


I gets these errors on my TZ370 as below, any suggetions on how to solve this?

IKEv2 Received notify error payload and VPN Policy: test; Invalid Syntax


The funny thing is, If I connect my old TZ500 the IPSec VPN is working as expected.


Kind regards

Martin

Category: Entry Level Firewalls
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