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.
Exchange servers responding intermittently
Fix ID: 3402776
Symptom: Microsoft Exchange servers intermittently become unresponsive with Symantec Endpoint Protection installed.
Solution: Resolved a potential deadlock issue in the SymEFA driver.