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Posted: 9/1/2015 1:23:12 PM EDT
Why can't I get my vSphere client to connect to a VMWare host when there is no functional DNS server (for the local network)? While doing some maintenance over the weekend, I had some servers down, and it just so happens that they were all the DNS servers. Shouldn't matter, since I know what the IPs of all the hosts are, right? Nope, couldn't get to any of the hosts until I got a DNS server up. Soon as DNS was up, vSphere client connected right up, even though I was using the IP address, not the FQDN.
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Posted: 9/1/2015 2:57:29 PM EDT
[#1]
How long did you wait?
It may have been waiting for a reverse lookup on your address, and having to wait for it to time out. |
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Posted: 9/1/2015 7:28:38 PM EDT
[#2]
I connect to my ESXi servers at the house using IP. I don't know your config though.
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Posted: 9/1/2015 7:30:55 PM EDT
[#3]
Use a hosts file?
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Posted: 9/1/2015 8:32:11 PM EDT
[#4]
Had that problem when I upgraded to 6.0. DNS goes down and the vCenter appliance instantly loses connectivity with the hosts. I think they're using the FQDN to generate SSL certificates. Which is f-ing stupid and means you can't ever change vCenter's hostname after install. If you configure it to connect by IP, you can't change the IP or connect via hostname. Connecting directly to the host by IP worked fine though.
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Posted: 9/3/2015 11:31:55 AM EDT
[#5]
Quote HistoryQuoted:
Had that problem when I upgraded to 6.0. DNS goes down and the vCenter appliance instantly loses connectivity with the hosts. I think they're using the FQDN to generate SSL certificates. Which is f-ing stupid and means you can't ever change vCenter's hostname after install. If you configure it to connect by IP, you can't change the IP or connect via hostname. Connecting directly to the host by IP worked fine though. Almost my exact same setup: 5.5 hosts upgraded to 6.0; never had this problem before the upgrade. For now, I think I'll just move DNS to a real box instead of the VM's. |
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Posted: 9/3/2015 3:25:25 PM EDT
[#6]
Was talking to VMware tech support today and they were telling me there was a known bug in 6.0 and they were not going public with any announcement, but the patch would be available in 2 weeks, if you have an open case with VMware......
We are putting in a new virtual infrastructure, and was going to install 6, but that is on hold for now 
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Posted: 9/3/2015 10:17:31 PM EDT
[#7]
That's an odd one for sure.
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