Computer\Properties\Device Manager - On the View menu, is Show Hidden Devices turned on? If so, does the NIC show there?
If it does, it might be worth looking at devcon.exe and a batchfile called rmhiddev.bat - don't know if those will work on 2008 R2. See this link: http://www.robvanderwoude.com/devcon.php Kurt On Tue, May 27, 2014 at 11:53 AM, Melvin Backus <[email protected]> wrote: > OK, after about a day and a half looking at this I’m officially, well, that > might get me tossed… J > > > > 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. > >
