Zabbix Proxy Last seen (age) is negative

[Aviad]

Hello,
i have on my Zabbix system a number of Zabbix proxy and it show me on all the zabbix proxy the Last seen (age) as a negative number (as you can see in the photo below).
is this ok and normal? if not please suggest how to fix it because i remember that it was not like this.

[abz]

Hello, I have the same probleme, did you solve it ?

[cyber]

Do you have time synchronization in place?

[abz]

Thanks for your reply, i resolved my issue.

I didn't have the same time schedule on the server side and on the proxy side.

On the proxy side, everything was fine.

On the server side, I had to modify my NTP server, which was 3 min early.

I was able to check this using the command: timedatectl
and the line :
[XXXXXX@XXXXXX-Server ~]$ timedatectl
Local time: Mon 2023-10-23 14:31:09 CEST
Universal time: Mon 2023-10-23 12:31:09 UTC
RTC time: Mon 2023-10-23 12:31:09
Time zone: Europe/Zurich (CEST, +0200)
System clock synchronized: no
NTP service: active
RTC in local TZ: no

Modification of /etc/chrony.conf configuration
I added a line with my NTP server.

I restarted my service
sudo systemctl restart chronyd.service

then the line changed to yes:
"System clock synchronized: yes"

I hope it helps.