We have a user who loses her connectivity to the network shares intermittently. She does not lose internet connectivity, just connection to the server, mapped drives, and cannot ping any network devices.
Restarting the Server service did not resolve it, nor did restarting the Computer Browser service.
There is nothing in the Event Viewer that shows anything out of the ordinary when this happens.
Primary DNS is set to the server and secondary through Comcast.
She is the only user experiencing this issue.