• The BIND DNS server has already been deprecated and removed from Plesk for Windows.
    If a Plesk for Windows server is still using BIND, the upgrade to Plesk Obsidian 18.0.70 will be unavailable until the administrator switches the DNS server to Microsoft DNS. We strongly recommend transitioning to Microsoft DNS within the next 6 weeks, before the Plesk 18.0.70 release.
  • The Horde component is removed from Plesk Installer. We recommend switching to another webmail software supported in Plesk.

Firewall Settings required for Plesk.

McDonald1

New Pleskian
It looks like a change was made to the firewall settings (I think this was done by .net microsoft patch)

I have manually added mysql-nt to the firewall ruleset, and this has allowed MySql to talk to the application. (Wordpress websites are now working)
However
I still get the same error when i try to log in to the control panel.
ERROR: PleskMainDBException
MySQL server has gone away

0: common_func.php3:637
reconnect()
1: common_func.php3:600
db_connect()
2: auth.php3:134

Is there a list of firewall rules that need to be in place to allow Plesk to work?
 
Try to increase wait_timeout in my.ini and restart MySQL server.
 
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