What Is Not Encrypted Some files that are associated with a virtual machine are not encrypted or partially encrypted. Log FilesLog files are not encrypted because they should not contain sensitive data. Virtual Machine Configuration FilesMost of the virtual machine configuration information, stored in the VMX and VMSD files, is not encrypted. Information about the KMS and the key ID is visible in those files. Virtual Disk Descriptor FileTo support disk management without a key, most of the virtual disk descriptor file is not encrypted. Parent topic: How Virtual Machine Encryption Protects a Datacenter