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We suspect there is a problem in loading the VembuCBT driver in your Hyper-V host.

Follow the below steps to check whether VembuCBT driver is properly loaded on your Hyper-V host.

  1. Go to your Hyper-V Host and open Command Prompt with administrative privileges.
  2. Type “fltmc” and enter
  3. Check if VembuCBT is listed, then VembuCBT driver is properly loaded in your Hyper-V host

If VembuCBT is not listed, then you need to reinstall the VembuCBT driver, follow the below steps to install the VembuCBT driver on your Hyper-V host

  1. Open Command Prompt with administrative privileges and navigate to the < Installation location >\Vembu\VembuIntegrationService\Drivers\HyperV

    For example: C:\Program Files\Vembu\VembuIntegrationService\Drivers\HyperV

  2. Type “HyperVDriverUtil.exe -install” and enter.

  3. After installation, Type “fltmc” and enter to check the VembuCBT driver is properly loaded.

If you are still facing the same error ever after properly loading the VembuCBT driver, contact our support with the log folder of the Vembu Integration Service at

You can find the log folder at < installation Location >\Vembu\VembuIntegrationService\log

For Example: C:\Program Files\Vembu\VembuIntegrationService\log

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