OK, after about a day and a half looking at this I'm officially, well, that might get me tossed... :)
Sorry for the long post but I want to make sure I've got everything so we can avoided as many of the preliminary "did you" questions as possible. We had a maintenance event last week. We had to shut down all our VMs to make some changes to the SAN. Everything we smoothly for the most part, but our Lync server decided it didn't want to play well when it came back up. The NIC shows up in the Network Connections GUI, but under netsh / ipconfig, there are no NICs, only the loopback adapter. Initial reaction was to remove/re-add the NIC which had no impact. So, we added a new different adapter to make sure it wasn't a corrupted driver, etc. Originally it was an E1000, now VMXNET 3. Neither one shows up. So, since it was late, we decided they could live without it until later, we'll restore from backups and move on. We came in this morning, restored the machine from backups. There was what we initially thought was a snapshot from the backup software as well as the main drive, so we only restored that. Everything comes up, talks to the network, I can login to the domain, all is well, we thought. 2nd drive is missing which as it turned out wasn't a snapshot, it was a D: drive where all the IIS, etc., lived. Soo, we restored again, this time everything. Things are looking better, but now the domain trust is whacked, which we pretty much expected. But I can talk to the network, Lync clients are actually connecting, but we don't want to leave it running this way so to make sure everything is back to normal we disjoin / rejoin the domain and *WHAT!!*. You guessed, it's right back to no network again. Thinking it was something to do with the domain join (who knows what, but that seemed to be the when part) we've disjoined it from the domain again, but no joy, still no network. I've added an additional NIC to the VM in the hopes that I could configure it and move on, but no joy, regardless of the NIC type. Now the both show up in the GUI, but neither shows up via IPCONFIG or NETSH. This is a 2008r2 server, fully patched, running on ESX 4.1. I've found lots of links about resetting the IP stack, none of which worked, and a few about the hotplug capability in vsphere causing things to get removed from the configuration, but that isn't consistent with this since they still show up both in the GUI and in the VMWare settings. (We actually have people do that occasionally in our VDI environment, and now I actually know how to prevent it. ) advTHANKSance -------------------- Melvin Backus | Sr. Systems Analyst | Byers Engineering Company | 404.497.1565 Service Desk | 404-497-1599 | http://servicedesk.byers.com -- There are 10 kinds of people in the world... those who understand binary and those who don't.
