While trying to run Microsoft Exchange 2013's JetStress stress testing tool, it fails to work. Installed is Symantec Endpoint Protection (SEP) 12.1.X
No actual error message is generated but the application, it just fails to function properly
Changes in how JetStress 2013 manages data has created a potential driver-level deadlock with some of our newer technologies (spec. SymEFA). Component isolation indicates root of issue appears to be SymEFA, a component of Core Files.
This issue is resolved in 12.1 RU4 MP1.
New fixes and features in Symantec Endpoint Protection and Network Access Control 12.1.4.1 and 12.1.4.1a
http://www.symantec.com/business/support/index?page=content&id=TECH216262
This issue has been fixed in Symantec Endpoint Protection 12 Release Update 4 (RU4 MP1). For information on how to obtain the latest build of Symantec Endpoint Protection, read TECH 103088: Obtaining an upgrade or update for Symantec Endpoint Protection or Symantec Network Access Control.