Changing an ESXi host's connection status in vCenter Server / unable to reconnect ESXi host back to vCenter Server
Article ID: 303652
Updated On:
Products
Issue/Introduction
For troubleshooting and maintenance purposes, it may be necessary to change the connection status of an ESXi from within vCenter Server.
This article provides steps to disconnect an ESXi host, connect an ESXi and test reconnection of an ESXi host in vCenter Server.
Resolution
Testing reconnection of an ESXi to vCenter Server
To diagnose communication problems between an ESXi host and vCenter Server, Broadcom recommends that you disconnect the ESXi host and then reconnect it
To test / troubleshoot connection between an ESXi host and vCenter Server:
- Login to the vSphere Client
Note: If your ESXi host is already disconnected proceed to step 5.
2. Right click on the ESXi host in the Inventory
3. Click "Disconnect"
Note: A disconnect host task appears in the recent tasks pane
4. Wait until the task status changes to complete
5. Right click on the ESXi from the Inventory
6. Under "Connection" option choose "Connect"
Note: A reconnect host task appears in the recent tasks pane.
7. Wait until the task status changes to complete.
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- If the host status remains unchanged, restart the host management agents.
SSH to the ESXi host using username "root" & restart the 2 below management agents
/etc/init.d/hostd restart /etc/init.d/vpxa restart
or
services.sh restart
For additional details: Restarting the Management agents in ESXi
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- If the host status remains unchanged, restart the vpxd service of the vCenter.
SSH to the vCenter using username "root"
service-control --restart vmware-vpxd
or
Login to VAMI (vCenter Server Appliance Management Interface) https://IP-FQDN:5480
Under "Services" Tab choose the "VMware vCenter Server" service and restart it.
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