You may be unable to log in to the management portal and would like this issue fixed.
One of the possible reasons for this issue is the server was rebooted due to no space left on the partition of the server to run the PeerApp application and while rebooting the process is stuck because of one of the OS disks failing.
To solve this problem please create a support ticket and one of our agents will help you out.
L2 agents only:
To verify that the issue is the process being stuck on boot and solve it, follow the steps in the article System stuck at BIOS loading state.