The EFS protection utility works properly only on the Microsoft Windows XP operating system. The ThinkVantage Client Security Solution program provides the EFS protection utility that enables the Trusted Platform Module (TPM) based protection of encryption certificates used by the EFS to encrypt files and folders.
The above symptom is associated with the following systems:
System is configured with
All machine types of ThinkCentre and ThinkPad systems with Client Security Solution 8.3 installed and the TPM enabled
On any operating system other than the Microsoft Windows XP operating system, it is recommended to use other programs instead of Client Security Solution to enable the TPM to protect the EFS certificates.