And, the last bit of info that pretty much wraps this up: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1020078
Kurt On Mon, Apr 7, 2014 at 5:40 PM, Kurt Buff <[email protected]> wrote: > All, > > Well, after a bit more troubleshooting over the weekend, we did one last test. > > We nuked the VMXNET 3 adapters on the VMs and replaced them with E1000 > adapters, and now all is working. > > What I was told by cow-orkers is that the VMs on this host were copies > of a template from an ESXi 5.1 host, and this host, as noted below, is > running ESXi 5.5. > > Arguing against this being root cause is the fact that I did a clean > install of two Win7 VMs with VMXNET adapters, and they showed the same > problem communicating between themselves. > > I'm more suspicious of the fact that the 5.1 host is part of a vSphere > Standard cluster, vs. the 5.5 host being the standalone free version > (we'll be getting it up to Standard soonish, once the budgeting cycle > is completed - I hope). > > At any rate, we're now proceeding with the migration of the mailboxes, > etc., in that office. > > Kurt > > On Thu, Apr 3, 2014 at 1:39 PM, Kurt Buff <[email protected]> wrote: >> All, >> >> My search-fu is failing, so I turn to you for help... >> >> I have a small ESXi 5.5 host, about to go into production. >> >> The three VMs (2008R2 for all of them, a DC, Exchange 2010 and a PRTG >> box) on it can communicate with machines not on the ESXi host - ping, >> RDP, etc. - and vice versa. No problems. >> >> However, the three VMs on this host cannot talk with each other. No >> ping, no RDP. When pinging from one of the VMs to another, I get a mix >> of unreachables from the VMs own address and straight timeouts. >> >> There is only one vSwitch, which has two NICs bound to it, and the >> vswitch is set up to route based on IP hash. The physical switch to >> which they are connect (and this shouldn't matter, but...) is an HP >> 2510G-48, and the ports for the host are in a simple trunk - no LACP. >> >> I've turned off the Domain profile of the firewall on one of the >> machine, which seems to make no difference. >> >> I've examined the VMware host security settings to no avail. I've >> turned off the Windows firewall. >> >> I've got 3 ESXi hosts in a vSphere Standard cluster that doesn't have >> this problem. >> >> Kurt >> >>
