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Contributor

Nexus 1000V. problem when working with the console VMWare

I have a problem when working with the console VMWare.

Sometimes it is impossible to connect any of the hypervisor to the guest OS managed by them.

I get the message: "Unable connect to the MKS: Host address lookup for server <name of the hypervisor> failed: No such host is known."

This message always appears in conjunction with the reconfiguration of virtual switch: "Reconfigure vNetwork Distributed Switch .... Initiated by Cisco_Nexus_1000V_ ....."

Upon completion of the reconfiguration, Communication console, with guest OS is restored, or on its own or after a reboot srv-vc.

In this time, I do not see any message in Nexus 1000v log.

What is this?

Thanks in advance.

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Helping seriously ill children, all together. All information about this, is posted on my blog
2 REPLIES 2
Highlighted
Cisco Employee

Nexus 1000V. problem when working with the console VMWare

Smells of a DNS issue.  Are you sure your ESX hosts are reachable from your client via DNS hostname?  Try pinging them from a command prompt/terminal.  You may have DNS server issues.

As a temp fix, edit your [windowspath]/system32/etc/drivers/hosts file and manually add the ESX host name and IP, then re-test.

Regards,

Robert

Highlighted
Contributor

Nexus 1000V. problem when working with the console VMWare

Thanks. I will be try

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Helping seriously ill children, all together. All information about this, is posted on my blog