Can’t connect to ESXi with vSphere Client

vmware-esxivmware-vcentervsphere-client

after changing IPs on of the ESXi hypervisor (without setting to maintenance mode), I can't access the vCenter Server with vSphere anymore.

But I can access the ESXi over SSH. So, the IP is correct, but why can't I access it with the client?

Best Answer

There can be several causes. Your first place to check is the VMware KB Article.

After that...

From root SSH on the ESXi console: 

services.sh restart

Or "Restart Management Network" from the F2 console.

If you continue to see issues, do what @TCampbell said and remove/readd.

If you are still seeing issues, RDP to your vCenter server and verify connectivity from the server to the host. Check port 901/902 from your vCenter server with telnet <ip address> <port> or another utility.

Did your hostname change, too? You may have to regenerate SSL keys with /sbin/generate-certificates.sh

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