VPN Client-to-Sient doesnt work anymore ATP 500

KIT

Hey,

since last friday our client-to-site vpn doesnt work anymore. A site-to-site vpn still works without any problems.

Its a IKEv2 Connection. Without any configuration changes this connection stopped working.
The windows event error is:
20227 error code -2143157998

ATP 500 event log ist attached.

IKEv2_Error.png

KIT

https://community.zyxel.com/en/discussion/20713/vpn-client-to-sient-doesnt-work-anymore-atp-500

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VPN Settings

JasminJast

@tunnel rush

https://community.zyxel.com/en/discussion/comment/61033#Comment_61033

Thx. My problem has been resolved.