vMotion fails with Error-"Necessary Module isn't loaded".
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Article ID: 383925
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Updated On:
Products
VMware vSphere ESXi
Issue/Introduction
Symptoms:
Unable to vMotion a virtual machine
Even if the vMotion is enabled on the vmkernel adaptor, vMotion fails with below error
Error Message- The vMotion failed because the destination host did not receive data from the source host on the vMotion network. Please check your vMotion network settings and physical network configuration and ensure they are correct. Failed to initialize migration at source. Error 195887200, Necessary module isn't loaded!
Environment
VMware vSphere ESXi 7.0
Cause
This issue occurs because the vMotion module fails to load
Resolution
To resolve the issue vMotion Module needs to be enabled.
Click the host in vCenter Server and then click the Configuration tab.
Click Properties on the vSwitch where the vMotion VMkernel port group is located.
Click the vMotion port group and click Edit.
Deselect the vMotion Enabled option.
Click OK and then click Close.
Connect to the host using SSH.
Run this command to verify if the vMotion module is loaded:
vmkload_mod -l | grep migrate
If the above command does not return any values, run this command to load the module:
vmkload_mod migrate
Run this command and verify if the vMotion module is now loaded:
vmkload_mod -l | grep migrate
Run this command to restart services:
services.sh restart
Repeat Steps 1 to 3 and select the vMotion Enabled option. This enables vMotion.
Migrate virtual machines to another host.
Reboot the host. Note: Rebooting the host is suggested to verify that the migrate module will load properly during subsequent reboots. Run this command to verify if the vMotion module loads properly: