When using Symantec Endpoint Encryption Full Disk 8.2.1 mp 11 on a Lenovo L 540 an unsupported storage controller message is received. This issue has also been found to happen when using Symantec Endpoint Encryption Full Disk 8.2.1 mp 10.
Unsupported Storage Controller error message is received
This issue has been addressed in EE FD 8.2.1 mp 13 and is currently available for customers.