Unable to connect the host https://host-ip/sdk during NSX-T Upgrade
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Article ID: 313768
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Updated On:
Products
VMware NSX
Issue/Introduction
During the upgrade of NSX-T managers, hosts are not allowed to upgrade.
The upgrade fails at the 'Performing dry-run of installation of NSX bits' step.
The following error in upgrade-coordinator.log on the orchestrator node is present (/var/log/upgrade-coordinator/upgrade-coordinator.log):
Unable to connect the host https://host-ip/sdk
Environment
VMware NSX-T Data Center
Cause
This issue is caused by blocked Host access from NSX Orchestrator node
Resolution
In vSphere go to the Host > Configure > System > Firewall. Connections > vSphere Web Client, change "Allowed IP addresses" should be set to all or the IP address of the orchestrator node.