Whenever a computer trips a "Server Hangup" error, it means that the server the computer is trying to communicate with has stopped responding. ... Hang errors appear when the computer can't obtain the next data in a process, receives data it doesn't recognize or gets stuck in an infinite loop.

What causes a server to freeze?

A hang or a freeze in a system occurs when it ceases to respond to inputs. A server might hang both due to hardware and software issues. Following are the reasons for a server freeze due to hardware and software issues: ... Eventually, such unanswered requests trigger a cascading effect of user and system threads to hang.

What is an unresponsive server?

When the agent fails to respond to multiple successive heartbeats, the associated server is considered unresponsive. ... Servers in auto-scaling groups are exempted from this recommendation as they automatically and regularly launch and terminate servers.