dun dun dunnn... -- Espi
On Tue, May 27, 2014 at 1:09 PM, Melvin Backus <[email protected]>wrote: > Yes, we are. > > > > -- > There are 10 kinds of people in the world... > those who understand binary and those who don't. > > > > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of *Robert Cato > *Sent:* Tuesday, May 27, 2014 4:00 PM > *To:* [email protected] > *Subject:* Re: [NTSysADM] Invisible NIC - now there's no network > > > > > > Are you running SEP by chance? > > > > Robert > > > > On Tue, May 27, 2014 at 2:53 PM, 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. 2nddrive 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. > > > > >
