Login Screen bounces back to login screen

[kpm547]

Recently when I try and login to Plesk 10.4.4 after I click login, the screen advances into Plesk, but then automatically bounces back out to the login screen. This occurs on all browsers, Chrome, Firefox, IE. The weird thing is that it only occurs on some of my machines. I am able to access it from home and my Chromebook (through my office network), but not from my office desktop or several other office machines. I thought maybe our firewall at the office was causing and issue, so I opened the firewall for port 8443. No luck.

Does anyone have an idea as to the cause of this?

 

[IgorG]

Have you tried to troubleshoot it with help of article http://kb.parallels.com/111289 ? Especially Control Panel section.