On Windows 7, a message appears stating that a driver is blocked due to compatibility.
Program Compatibility Assistant: This driver is blocked due to compatibility.
This problem is fixed in Symantec Endpoint Protection Small Business Edition 12.0 RU1, version 12.0.1001.95. For information on obtaining the most recent version, read the article Obtaining the latest version of Symantec Endpoint Protection or Symantec Network Access Control.