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Home » Kerio User Forums » Kerio Control » 9.2.2 defective by design ?

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Using Kerio Control over almost 2 decades, i never had such major issues as i now had since upgrading to 9.2.2

Have 4 Control servers running at 4 locations, server 1 is running on a physical i5-3770, 16GB, all others are running the OVF VMware appliance.
There were running very fine in version 8.x.x (as 8.6.2 latest)
Then i decided to upgrade them all to 9.2.2 by using the upgrade function in the WebIF

Server1: 1000/1000 internet connected. When generating 90+ mbit traffic for at least 5 seconds, Control server spontaneously loose all network traffic from all interfaces for around 10 seconds, and comes back as nothing happened. (no errors in logfile)
Downgraded to 8.6.2, works like a charm again.

Server2: every few days, Control completely loose its network connections ( 2 ). Not pingable anymore, but the VM is not hanging, as i can login, using the menu etc.etc. Giving a reboot from the Kerio menu in console, fixes all problems. No problems to be found in the log files.
Downgraded to 8.6.2, works like a charm again.

Server3+4: after a few days, both Control instances are getting very slow, REALLY slow (cannot login in WebIF, timesout), on console it takes like 60 seconds to login, and 30 seconds to move the cursor.
I suspect a memory leak, but can't confirm.
Reboot solves it for a few days, downgrading to 8.6.2 seems like the ultimate fix.

I remember something about Sophos antivirus from 8.6.x been phased out in the future, is there an exact date already ? Because that was the only reason to upgrade to 9.x as all other 'new' features are not interesting for us.

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I have same issues, downgrade to 9.1.4 helps, but its not ideal.
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