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Moving managed ESX host from VCenter to another VCenter

 Moving a managed ESXi/ESX host from one VirtualCenter Server/vCenter Server to another Virtual Center Server/vCenter Server (1004775)


Purpose

This article provides instructions to move an ESXi/ESX host from one VMware VirtualCenter Server/vCenter Server to another VirtualCenter Server/vCenter Server when using standard virtual switches on all ESXi/ESX hosts.

When moving a managed ESXi/ESX host from one VirtualCenter/vCenter Server to another, VMware recommends that you move the virtual machines and management kernel back to a Virtual Switch (vSwitch) from a Virtual Distributed Switch (vDS); then perform the migration. After the migration, recreate the vDS. If you are using vCenter Server 5.1 or later, you can use the export/import functionality of the vDS to move your existing vDS configuration. For more information, see 
Exporting/importing/restoring Distributed Switch configs using vSphere Web client (2034602).


Resolution

To move an ESXi/ESX host from one VirtualCenter Server/vCenter Server to another, remove the host from VirtualCenter Server/vCenter Server, then add the host to a new VirtualCenter Server/vCenter Server. This operation will not affect the state of any virtual machines running on the ESXi/ESX, the historical performance data of both the ESXi/ESX and its virtual machines will however be purged.



Removing the ESXi/ESX host from VirtualCenter Server/vCenter Server

To remove the ESXi/ESX host from VirtualCenter Server/vCenter Server:

  1. If the managed host is in a cluster, right-click the cluster. Set the Distributed Resource Scheduler (DRS) mode to manual anddisable VMware High Availability by deselecting Configure HA.
  2. Click OK and wait for the reconfiguration to complete.
  3. Click Inventory in the navigation bar, expand the inventory as needed, and click the appropriate managed host.
  4. Right-click the managed host icon in the inventory panel and choose Disconnect (wait for the task to complete).
  5. Right-click the managed host icon in the inventory panel and choose Remove.
  6. Click Yes to confirm that you want to remove the managed host and all its associated virtual machines.




Adding the ESXi/ESX host to a new VirtualCenter Server/vCenter Server

To add the ESXi/ESX host to a new VirtualCenter Server/vCenter Server:

  1. Connect VMware Infrastructure Client/vSphere Client/vSphere Web Client to the new VirtualCenter Server/vCenter Server.
  2. Click Inventory in the navigation bar.
  3. Expand the inventory as needed, and click the appropriate datacenter or cluster.
  4. Click File > New > Add Host.
  5. In the first page of the Add Host wizard, enter the name or IP address of the managed host in the Host name field.
  6. Enter the username and password for a user account that has administrative privileges on the selected managed host.
  7. Click Next.




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