Unable to connect to TCP ports 443,1234 and 1235 from ESXi host to NSX manager

Products

• VMware NSX

Issue/Introduction

• Unable to connect from ESXi host to NSX manager on ports 443, 1234 and 1235 as seen below:
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• The concerned ESXi host is not prepared for NSX.

Environment

VMware NSX

Cause

• The outgoing firewall rules on ESXi host are by default not enabled for TCP port 443, 1234 and 1235 as seen below:
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• Once the host is prepared for NSX and the vibs are pushed successfully, below TCP ports will be listed as highlighted on the host:
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Resolution

Hence to establish the connectivity for TCP ports 443, 1234 and 1235 from ESXi host to NSX manager, the ESXi host should be prepared for NSX first and then by default the ports will reflect in ESXi host Firewall rules.

Also, the TCP ports 443, 1234 and 1235 should be enabled at physical firewall level (if any).