Error message

A file access error occurred on the host or guest operating system.

Error description

This error indicates that:

  • the cloud failover appliance (CFA) has issues communicating with the host of the virtual machine (VM) or with the datastore; or

  • the VM has no VMware Tools installed, or VMware Tools lacks access permissions.

Steps to resolve

First of all, run full backup of the affected VM manually:

  1. In the CFA Management Console, go to Clients > VMware.

  2. Select the affected VM.

  3. On the toolbar, click the Manual Backup button.

  4. In the open dialog box, select Full, and then click OK.

If previous doesn’t help, register the affected VM again:

  1. In the CFA Management Console, go to Clients > VMware.

  2. Right-click the affected VM, and then click Unregister.

  3. Click Activate configuration on the upper right.

  4. Right-click the affected VM again, and then click Register.

  5. Click Activate configuration again.

  6. Run backup of the affected VM manually.

Also, check if the affected VM has the latest version of VMware Tools installed. If so, check if VMware Tools has all permissions required for backup.