vMotion failing at 10% with error ” Necessary module isn’t loaded”

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If you encounter this problem of vMotion failing at 10% with error “Is not Necessary module loaded.” then here are the steps to restore vMotion functionality:

To workaround this issue:
  • From ESXi command line, run this command to load the module: esxcli system module load -m migrate
 Note: It may be necessary to run this command on the source and destinations ESXi hosts.

  1. Connect to vCenter Server through the vSphere Client.
  2. Select the ESXi host and click the Configuration tab.
  3. Click Software > Advanced Settings.You see that Migrate.Enabled is set to zero because the module was not loaded earlier.
  4. Set Migrate.Enabled to 1 and click OK.
 After this your problem will be resolved.

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