control panel really slow

[CruzMark]

Bare hardware installation of a licensed Plesk 12 with updates on Centos 7. The control panel is VERY slow to load on port 8443 both as admin and as a user. I'm running it in Webhosting mode and I have 1 test site on it. The server has a /24 of IPs assigned to it for future subscriptions, once I roll it to customers.

The hardware is a dual CPU INTEL XEON E5-2630V2 2.6GHZ 6-CORE with 32G of memory. I've got the firewall turned off. I can't for the life of me figure out why this is so slow. Help?

 

[CruzMark]

To add more details, the login_up.php3 takes over 8 seconds to load when first hitting the server. Legit secure certificate, and the server is a single hop of < 1ms away from me (on a separate lan in the same building).

 

[IgorG]

Any details from Plesk logs? Results of troubleshooting? This article may help - http://kb.odin.com/en/111283