I am using an ESX Server for virtualizing a CRM 4.0 Server. On the same ESX I have the domaincontroller in another virtual server.
From time to time the virtual CRM Server looses its network connection. It is not possible to ping the server anymore or ping from "inside" the server. The ESX itsself is running fine.
My solution then is to log in the virtual ESX console and open the CRM server in a console window: then deactivate the network and activate again - everything is running fine then for some time.
The virtual domaincontroller is running without a problem.
Thanks for helping.