Flushing vCenter DNS cache

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Home > VMWare platform > VMWare vCenter > Flushing vCenter DNS cache

  1. ssh to vcenter
  2. Run this command to restart resolver
    systemctl restart systemd-resolved.service
  3. Test with nslookup, if issue is still there continue
  4. Run following command and check if 127.0.0.1 is listed as preferred nameserver
    cat /etc/resolv.conf
  5. Run following command and check name of service (most probably dnsmasq)
    netstat -alnp | grep 53
  6. Restart dnsmasq using:
    systemctl restart dnsmasq
  7. Again test with nslookup and verify that old cached entry is not present


Refer:


Home > VMWare platform > VMWare vCenter > Flushing vCenter DNS cache