vMotion fails with Error "Hot migration is disabled in vmkernel on host"

Products

• VMware vSphere ESXi

Issue/Introduction

• Virtual machine is failed to migrate to the ESXi host with the error message:
  

  Hot migration is disabled in vmkernel on host <Hostname>

• Running the command vsish -e get /config/Migrate/intOpts/Enabled,  returns a current value of 0, which confirms that the migration functionality is disabled.
  
  

Environment

• VCF 9.1.0

Resolution

To restore vmotion functionality on the affected host:

• Connect to the ESXi host using an SSH session.
• Run the following command to check the migration status: vsish -e get /config/Migrate/intOpts/Enabled
• Enable the module, If the current value returned is 0, run this command to enable it.
  vsish -e set /config/Migrate/intOpts/Enabled 1
  
  
• Ensure the module loads on boot by running esxcli system module set -e true -m migrate
• Restart the hostd & vpxa services of the host.
• Retry the virtual machine migration to the host.

Additional Information

• For more information, see KB article vMotion failing with error 0xbad0020 as migrate module is not enabled on ESXi host