Server crashes after only a few minutes

Put the summary of the bug you're having here
I am running a minecraft server on a virtual machine running server 2012 R2 which is hitting over 60 second tick latency. Not sure what the problem is.

What I expected to happen was...:
Describe what you thought should happen here

What actually happened was...:
Describe what happened here

Steps to Reproduce:
1. Simply logging into the server causes the TPS to skyrocket.
2. ...
3. ...