ESX host status shows as "Unknown" in the NSX.

Products

• VMware NSX

Issue/Introduction

In the NSX UI, the ESX host shows status as "Unknown."

Communication between the ESXi host and the NSX Manager over ports 1234 and 1235 is failing with a connection refused error.

Environment

VMware NSX.

Resolution

Place the ESX host in Maintenance Mode, then restart the services listed below.

# /etc/init.d/nsx-proxy restart
# /etc/init.d/nsx-opsagent restart
# /etc/init.d/nsx-cfgagent restart
# /etc/init.d/nsx-nestdb restart

If the issue persists, please open a case with Broadcom Support and refer to this KB article. For more information, see Creating and managing Broadcom support cases.

Additional Information

Related article:

Connection between ESXi and NSX Controller is UNKNOWN and/or connection between ESXi and NSX Manager is DOWN.