Zabbix Server won't restart

[RO-nIn]

Hello,

I'm new to Zabbix and I installed and configured the server and agents in my company network. I changed the CacheSize entry to 8M (was commented out with #) because I had the "More than 75% used in the configuration cache" Error. After trying to restart the Zabbix Server Service it won't start again. I've checked the /run/zabbix/zabbix_server.pid and it's missing. I see it being generated every couple of seconds but it disappears again and the service won't start. Any suggestions?
Thanks!

[gofree]

usually the best approach is to check the logs after start - usually /var/log/zabbix/zabbix_server.log

[RO-nIn]

Thanks, I figured it out but I couldn't edit or delete the post until it was approved. I increased the CacheSize to 32M and no problems so far, made more changes and restarted the server multiple times, works like a charm. Also didn't get notified about services not running on my Windows Servers but I upgraded Zabbix to 4.4 and it works. Now to fine tune the whole thing